use axum::{
    extract::{Path, Query, State},
    http::StatusCode,
    response::Json,
    routing::get,
    Router,
};
use serde::{Deserialize, Serialize};

use super::types::AppState;
use crate::core::db::schema;

/// Comprehensive file stats endpoint — provides all data sources for frontend transparency
/// Combines: JSON file status + PostgreSQL counts + Qdrant collections + TKG stats + Identity Agent stats
#[derive(Debug, Serialize)]
struct FileStatsResponse {
    file_uuid: String,
    file_name: Option<String>,
    status: Option<String>,
    // Processor status
    processors: Vec<ProcessorStatus>,
    // PostgreSQL counts
    postgres: PostgresStats,
    // Qdrant collection counts
    qdrant: QdrantStats,
    // TKG stats
    tkg: TkgFileStats,
    // Identity Agent stats
    identity_agent: IdentityAgentStats,
}

#[derive(Debug, Serialize)]
struct ProcessorStatus {
    name: String,
    status: String,
    progress: u32,
    message: Option<String>,
}

#[derive(Debug, Serialize, Default)]
struct PostgresStats {
    sentence_chunks: i64,
    trace_chunks: i64,
    relationship_chunks: i64,
    identities: i64,
    file_identities: i64,
}

#[derive(Debug, Serialize)]
struct QdrantStats {
    faces: i64,
    face_traces: i64,
    face_identities: i64,
    text_chunks: i64,
    speakers: i64,
}

#[derive(Debug, Serialize, Default)]
struct TkgFileStats {
    total_nodes: i64,
    total_edges: i64,
    face_track_nodes: i64,
    gaze_track_nodes: i64,
    lip_track_nodes: i64,
    text_region_nodes: i64,
    appearance_nodes: i64,
    accessory_nodes: i64,
    object_nodes: i64,
    hand_nodes: i64,
    speaker_nodes: i64,
    co_occurrence_edges: i64,
    speaker_face_edges: i64,
    face_face_edges: i64,
    mutual_gaze_edges: i64,
    lip_sync_edges: i64,
    has_appearance_edges: i64,
    wears_edges: i64,
    hand_object_edges: i64,
}

#[derive(Debug, Serialize, Default)]
struct IdentityAgentStats {
    clusters: i64,
    identities_created: i64,
    tmdb_matches: i64,
    speaker_bindings: i64,
    confirmations: i64,
}

#[derive(Debug, Serialize, Deserialize)]
struct ScannedFileInfo {
    file_name: String,
    relative_path: String,
    file_path: String,
    file_size: u64,
    modified_time: String,
    is_registered: bool,
    file_uuid: Option<String>,
    status: Option<String>,
    registration_time: Option<String>,
    job_id: Option<i32>,
}

#[derive(Debug, Serialize, Deserialize)]
struct ScanFilesResponse {
    files: Vec<ScannedFileInfo>,
    total: usize,
    filtered_total: usize,
    page: usize,
    page_size: usize,
    total_pages: usize,
    registered_count: usize,
    unregistered_count: usize,
    total_chunks: i64,
    searchable_chunks: i64,
    pending_videos: i64,
}

#[derive(Debug, Deserialize)]
struct ScanFilesQuery {
    limit: Option<usize>,
    page: Option<usize>,
    page_size: Option<usize>,
    pattern: Option<String>,
    sort_by: Option<String>,
    sort_order: Option<String>,
}

fn scan_directory_recursive(
    dir: &std::path::Path,
    root: &std::path::Path,
    allowed_extensions: &[&str],
    registered_paths: &std::collections::HashMap<
        String,
        (String, String, Option<String>, Option<i32>),
    >,
    files: &mut Vec<ScannedFileInfo>,
) {
    if let Ok(entries) = std::fs::read_dir(dir) {
        for entry in entries.flatten() {
            let path = entry.path();
            if path.is_dir() {
                if let Some(name) = path.file_name().and_then(|n| n.to_str()) {
                    if name.starts_with('.') {
                        return;
                    }
                }
                scan_directory_recursive(&path, root, allowed_extensions, registered_paths, files);
            } else if path.is_file() {
                if let Some(ext) = path.extension().and_then(|e| e.to_str()) {
                    if allowed_extensions.contains(&ext.to_lowercase().as_str()) {
                        if let Ok(meta) = entry.metadata() {
                            let abs_path = path.to_string_lossy().to_string();
                            let rel_path = path
                                .strip_prefix(root)
                                .map(|p| p.to_string_lossy().to_string())
                                .unwrap_or_else(|_| abs_path.clone());

                            let file_name = path
                                .file_name()
                                .map(|n| n.to_string_lossy().to_string())
                                .unwrap_or_default();

                            let modified_time = meta
                                .modified()
                                .ok()
                                .and_then(|t| t.duration_since(std::time::UNIX_EPOCH).ok())
                                .map(|d| {
                                    chrono::DateTime::from_timestamp(d.as_secs() as i64, 0)
                                        .map(|dt| dt.to_rfc3339())
                                        .unwrap_or_default()
                                })
                                .unwrap_or_default();

                            match registered_paths.get(&abs_path) {
                                Some((uuid, status, reg_time, jid)) if status != "unregistered" => {
                                    files.push(ScannedFileInfo {
                                        file_name,
                                        relative_path: rel_path,
                                        file_path: abs_path,
                                        file_size: meta.len(),
                                        modified_time,
                                        is_registered: true,
                                        file_uuid: Some(uuid.clone()),
                                        status: Some(status.clone()),
                                        registration_time: reg_time.clone(),
                                        job_id: *jid,
                                    });
                                }
                                _ => {
                                    files.push(ScannedFileInfo {
                                        file_name,
                                        relative_path: rel_path,
                                        file_path: abs_path,
                                        file_size: meta.len(),
                                        modified_time,
                                        is_registered: false,
                                        file_uuid: None,
                                        status: Some("unregistered".to_string()),
                                        registration_time: None,
                                        job_id: None,
                                    });
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

async fn scan_files(
    State(state): State<AppState>,
    Query(params): Query<ScanFilesQuery>,
) -> Result<Json<ScanFilesResponse>, StatusCode> {
    let demo_dir_str = std::env::var("MOMENTRY_SFTP_ROOT")
        .unwrap_or_else(|_| "/Users/accusys/momentry/var/sftpgo/data/demo".to_string());
    let demo_dir = std::path::Path::new(&demo_dir_str);

    let allowed_extensions = vec![
        "mp4", "mov", "mkv", "avi", "webm", "jpg", "jpeg", "png", "gif", "webp",
    ];

    let table = schema::table_name("videos");
    let mj_table = schema::table_name("monitor_jobs");
    let registered_db: Vec<(String, String, String, String, Option<String>, Option<i32>)> =
        sqlx::query_as(&format!(
            "SELECT v.file_path, v.file_name, v.file_uuid, v.status, v.registration_time::text, \
                latest_job.id as job_id \
         FROM {} v \
         LEFT JOIN LATERAL ( \
             SELECT id FROM {} WHERE uuid = v.file_uuid ORDER BY id DESC LIMIT 1 \
         ) latest_job ON true \
         ORDER BY v.id",
            table, mj_table
        ))
        .fetch_all(state.db.pool())
        .await
        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;

    let registered_paths: std::collections::HashMap<
        String,
        (String, String, Option<String>, Option<i32>),
    > = registered_db
        .into_iter()
        .map(|(path, _name, uuid, status, reg_time, jid)| (path, (uuid, status, reg_time, jid)))
        .collect();

    let mut result_files = Vec::new();

    if demo_dir.exists() {
        scan_directory_recursive(
            demo_dir,
            demo_dir,
            &allowed_extensions,
            &registered_paths,
            &mut result_files,
        );
    }

    let desc = params.sort_order.as_deref().unwrap_or("asc") == "desc";
    match params.sort_by.as_deref().unwrap_or("name") {
        "size" => {
            if desc {
                result_files.sort_by(|a, b| b.file_size.cmp(&a.file_size));
            } else {
                result_files.sort_by(|a, b| a.file_size.cmp(&b.file_size));
            }
        }
        "modified" | "time" => {
            if desc {
                result_files.sort_by(|a, b| b.modified_time.cmp(&a.modified_time));
            } else {
                result_files.sort_by(|a, b| a.modified_time.cmp(&b.modified_time));
            }
        }
        "status" => {
            if desc {
                result_files
                    .sort_by(|a, b| b.status.cmp(&a.status).then(b.file_name.cmp(&a.file_name)));
            } else {
                result_files
                    .sort_by(|a, b| a.status.cmp(&b.status).then(a.file_name.cmp(&b.file_name)));
            }
        }
        _ => {
            if desc {
                result_files.sort_by(|a, b| {
                    a.is_registered
                        .cmp(&b.is_registered)
                        .then(b.file_name.cmp(&a.file_name))
                });
            } else {
                result_files.sort_by(|a, b| {
                    b.is_registered
                        .cmp(&a.is_registered)
                        .then(a.file_name.cmp(&b.file_name))
                });
            }
        }
    }

    let total_all = result_files.len();
    let registered_count = result_files.iter().filter(|f| f.is_registered).count();
    let unregistered_count = result_files.iter().filter(|f| !f.is_registered).count();

    let filtered: Vec<ScannedFileInfo> = if let Some(ref pat) = params.pattern {
        let re = match regex::Regex::new(&format!("(?i){}", pat)) {
            Ok(r) => r,
            Err(_) => return Err(StatusCode::BAD_REQUEST),
        };
        result_files
            .into_iter()
            .filter(|f| re.is_match(&f.file_name))
            .collect()
    } else {
        result_files
    };

    let filtered_total = filtered.len();

    let page = params.page.unwrap_or(1).max(1);
    let page_size = params
        .page_size
        .or(params.limit)
        .unwrap_or(filtered_total.max(1));
    let total_pages = if page_size > 0 {
        (filtered_total + page_size - 1) / page_size
    } else {
        1
    };
    let start = (page - 1) * page_size;
    let files: Vec<ScannedFileInfo> = filtered.into_iter().skip(start).take(page_size).collect();

    let table_videos = schema::table_name("videos");
    let table_chunks = schema::table_name("chunk");
    let total_chunks: i64 = sqlx::query_scalar(&format!("SELECT COUNT(*) FROM {}", table_chunks))
        .fetch_one(state.db.pool())
        .await
        .unwrap_or(0);
    let searchable_chunks: i64 = sqlx::query_scalar(&format!(
        "SELECT COUNT(*) FROM {} WHERE vector_id IS NOT NULL",
        table_chunks
    ))
    .fetch_one(state.db.pool())
    .await
    .unwrap_or(0);
    let pending_videos: i64 = sqlx::query_scalar(&format!(
        "SELECT COUNT(*) FROM {} WHERE status = 'pending'",
        table_videos
    ))
    .fetch_one(state.db.pool())
    .await
    .unwrap_or(0);

    Ok(Json(ScanFilesResponse {
        files,
        total: total_all,
        filtered_total,
        page,
        page_size,
        total_pages,
        registered_count,
        unregistered_count,
        total_chunks,
        searchable_chunks,
        pending_videos,
    }))
}

#[derive(Debug, Serialize)]
struct SftpgoStatusResponse {
    username: String,
    home_dir: String,
    files_count: i64,
    registered_videos: Vec<RegisteredVideo>,
    last_login: Option<String>,
}

#[derive(Debug, Serialize)]
struct RegisteredVideo {
    uuid: String,
    file_name: String,
    status: String,
}

async fn get_sftpgo_status(
    State(state): State<AppState>,
) -> Result<Json<SftpgoStatusResponse>, StatusCode> {
    let demo_dir = "/Users/accusys/momentry/var/sftpgo/data/demo";

    let files_count: i64 = std::fs::read_dir(demo_dir)
        .map(|entries| entries.count() as i64)
        .unwrap_or(0);

    let table_videos = schema::table_name("videos");

    let registered_videos: Vec<(String, String, String)> = sqlx::query_as(&format!(
        "SELECT file_uuid, file_name, status FROM {} WHERE file_path LIKE '%demo%' ORDER BY id",
        table_videos
    ))
    .fetch_all(state.db.pool())
    .await
    .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;

    let registered_videos = registered_videos
        .into_iter()
        .map(|(uuid, file_name, status)| RegisteredVideo {
            uuid,
            file_name,
            status,
        })
        .collect();

    Ok(Json(SftpgoStatusResponse {
        username: "demo".to_string(),
        home_dir: demo_dir.to_string(),
        files_count,
        registered_videos,
        last_login: None,
    }))
}

#[derive(Debug, Serialize)]
struct IngestionStep {
    name: String,
    status: String,
    detail: Option<String>,
}

#[derive(Debug, Serialize)]
struct IdentityRef {
    uuid: String,
    name: String,
}

#[derive(Debug, Serialize)]
struct IngestionStatusResponse {
    file_uuid: String,
    steps: Vec<IngestionStep>,
    related_identities: Vec<IdentityRef>,
    strangers: i64,
}

async fn get_ingestion_status(
    State(state): State<AppState>,
    Path(file_uuid): Path<String>,
) -> Result<Json<IngestionStatusResponse>, StatusCode> {
    let pool = state.db.pool();
    let chunk = schema::table_name("chunk");
    let identities = schema::table_name("identities");

    // Get face counts from Qdrant _faces
    use crate::core::db::qdrant_db::QdrantDb;
    use serde_json::json;

    let qdrant = QdrantDb::new();
    let face_filter = json!({
        "must": [
            {"key": "file_uuid", "match": {"value": file_uuid}}
        ]
    });
    let points = qdrant.scroll_all_points("_faces", face_filter, 1000).await.unwrap_or_default();

    let face_total = points.len() as i64;
    let mut trace_ids: std::collections::HashSet<i64> = std::collections::HashSet::new();
    let mut identity_ids: std::collections::HashSet<i64> = std::collections::HashSet::new();
    let mut stranger_traces: std::collections::HashSet<i64> = std::collections::HashSet::new();

    for point in &points {
        let payload = &point["payload"];
        if let Some(tid) = payload["trace_id"].as_i64() {
            if tid > 0 {
                trace_ids.insert(tid);
                if payload["identity_id"].is_null() {
                    stranger_traces.insert(tid);
                }
            }
        }
        if let Some(iid) = payload["identity_id"].as_i64() {
            if iid > 0 {
                identity_ids.insert(iid);
            }
        }
    }

    let trace_count = trace_ids.len() as i64;
    let identity_count = identity_ids.len() as i64;
    let strangers = stranger_traces.len() as i64;

    let scene_meta_path = format!(
        "{}/{}.scene_meta.json",
        crate::core::config::OUTPUT_DIR.as_str(),
        file_uuid
    );
    let scene_meta_ok = std::path::Path::new(&scene_meta_path).exists();

    macro_rules! count_sql {
        ($sql:expr) => {
            sqlx::query_scalar::<_, i64>($sql)
                .fetch_one(pool)
                .await
                .unwrap_or(0)
        };
    }

    let sentence_count = count_sql!(&format!(
        "SELECT COUNT(*) FROM {chunk} WHERE file_uuid = '{file_uuid}' AND chunk_type = 'sentence'"
    ));
    let sentence_embedded = count_sql!(&format!("SELECT COUNT(*) FROM {chunk} WHERE file_uuid = '{file_uuid}' AND chunk_type = 'sentence' AND embedding IS NOT NULL"));
    let scene_count = count_sql!(&format!(
        "SELECT COUNT(*) FROM {chunk} WHERE file_uuid = '{file_uuid}' AND chunk_type = 'cut'"
    ));
    let face_total = face_total;
    let trace_count = trace_count;
    let trace_chunks = count_sql!(&format!(
        "SELECT COUNT(*) FROM {chunk} WHERE file_uuid = '{file_uuid}' AND chunk_type = 'trace'"
    ));
    let identity_count = identity_count;
    let tkg_nodes = count_sql!(&format!(
        "SELECT COUNT(*) FROM {} WHERE file_uuid = '{file_uuid}'",
        schema::table_name("tkg_nodes")
    ));
    let tkg_edges = count_sql!(&format!(
        "SELECT COUNT(*) FROM {} WHERE file_uuid = '{file_uuid}'",
        schema::table_name("tkg_edges")
    ));

    // Get individual node counts by type
    let tkg_nodes_table = schema::table_name("tkg_nodes");
    let face_track_nodes: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_nodes_table} WHERE file_uuid = '{file_uuid}' AND node_type = 'face_track'"));
    let gaze_track_nodes: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_nodes_table} WHERE file_uuid = '{file_uuid}' AND node_type = 'gaze_track'"));
    let lip_track_nodes: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_nodes_table} WHERE file_uuid = '{file_uuid}' AND node_type = 'lip_track'"));
    let text_region_nodes: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_nodes_table} WHERE file_uuid = '{file_uuid}' AND node_type = 'text_region'"));
    let appearance_nodes: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_nodes_table} WHERE file_uuid = '{file_uuid}' AND node_type = 'appearance_trace'"));
    let accessory_nodes: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_nodes_table} WHERE file_uuid = '{file_uuid}' AND node_type = 'accessory'"));
    let object_nodes: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_nodes_table} WHERE file_uuid = '{file_uuid}' AND node_type = 'yolo_object'"));
    let hand_nodes: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_nodes_table} WHERE file_uuid = '{file_uuid}' AND node_type = 'hand'"));
    let speaker_nodes: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_nodes_table} WHERE file_uuid = '{file_uuid}' AND node_type = 'speaker'"));

    // Get individual edge counts by type
    let tkg_edges_table = schema::table_name("tkg_edges");
    let co_occurrence_edges: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_edges_table} WHERE file_uuid = '{file_uuid}' AND edge_type = 'CO_OCCURS_WITH'"));
    let speaker_face_edges: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_edges_table} WHERE file_uuid = '{file_uuid}' AND edge_type = 'SPEAKS_AS'"));
    let face_face_edges: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_edges_table} WHERE file_uuid = '{file_uuid}' AND edge_type = 'FACE_TO_FACE'"));
    let mutual_gaze_edges: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_edges_table} WHERE file_uuid = '{file_uuid}' AND edge_type = 'MUTUAL_GAZE'"));
    let lip_sync_edges: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_edges_table} WHERE file_uuid = '{file_uuid}' AND edge_type = 'LIP_SYNC'"));
    let has_appearance_edges: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_edges_table} WHERE file_uuid = '{file_uuid}' AND edge_type = 'HAS_APPEARANCE'"));
    let wears_edges: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_edges_table} WHERE file_uuid = '{file_uuid}' AND edge_type = 'WEARS'"));
    let hand_object_edges: i64 = count_sql!(&format!("SELECT COUNT(*) FROM {tkg_edges_table} WHERE file_uuid = '{file_uuid}' AND edge_type = 'HAND_OBJECT'"));

    // Rule 2 relationship chunks
    let rule2_chunks = count_sql!(&format!(
        "SELECT COUNT(*) FROM {chunk} WHERE file_uuid = '{file_uuid}' AND chunk_type = 'relationship'"
    ));
    // Get related identities from Qdrant _faces
    let related_identity_ids: Vec<i64> = identity_ids.into_iter().collect();
    let related_identities: Vec<IdentityRef> = if !related_identity_ids.is_empty() {
        let id_list: String = related_identity_ids.iter().map(|id| id.to_string()).collect::<Vec<_>>().join(",");
        match sqlx::query_as::<_, (String, String)>(&format!(
            "SELECT DISTINCT uuid::text, name FROM {identities} \
             WHERE id IN ({id_list}) ORDER BY name"
        ))
        .fetch_all(pool)
        .await
        {
            Ok(rows) => rows
                .into_iter()
                .map(|(uuid, name)| IdentityRef {
                    uuid: uuid.replace('-', ""),
                    name,
                })
                .collect(),
            Err(e) => {
                tracing::error!("related_identities query failed: {}", e);
                vec![]
            }
        }
    } else {
        vec![]
    };

    let strangers = strangers;

    macro_rules! step {
        ($name:expr, $done:expr, $detail:expr) => {
            IngestionStep {
                name: $name.into(),
                status: if $done { "done" } else { "pending" }.into(),
                detail: $detail,
            }
        };
    }

    let steps = vec![
        step!(
            "rule1_sentence",
            sentence_count > 0,
            Some(format!("{sentence_count} sentence chunks"))
        ),
        step!(
            "auto_vectorize",
            sentence_embedded > 0,
            Some(format!("{sentence_embedded} embedded"))
        ),
        step!(
            "face_track",
            trace_count > 0,
            Some(format!("{trace_count} traces / {face_total} detections"))
        ),
        step!(
            "trace_chunks",
            trace_chunks > 0,
            Some(format!("{trace_chunks} trace chunks"))
        ),
        // TKG Nodes
        step!("tkg_face_track", face_track_nodes > 0, Some(format!("{face_track_nodes} nodes"))),
        step!("tkg_gaze_track", gaze_track_nodes > 0, Some(format!("{gaze_track_nodes} nodes"))),
        step!("tkg_lip_track", lip_track_nodes > 0, Some(format!("{lip_track_nodes} nodes"))),
        step!("tkg_text_region", text_region_nodes > 0, Some(format!("{text_region_nodes} nodes"))),
        step!("tkg_appearance", appearance_nodes > 0, Some(format!("{appearance_nodes} nodes"))),
        step!("tkg_accessory", accessory_nodes > 0, Some(format!("{accessory_nodes} nodes"))),
        step!("tkg_object", object_nodes > 0, Some(format!("{object_nodes} nodes"))),
        step!("tkg_hand", hand_nodes > 0, Some(format!("{hand_nodes} nodes"))),
        step!("tkg_speaker", speaker_nodes > 0, Some(format!("{speaker_nodes} nodes"))),
        // TKG Edges
        step!("tkg_co_occurrence", co_occurrence_edges > 0, Some(format!("{co_occurrence_edges} edges"))),
        step!("tkg_speaker_face", speaker_face_edges > 0, Some(format!("{speaker_face_edges} edges"))),
        step!("tkg_face_face", face_face_edges > 0, Some(format!("{face_face_edges} edges"))),
        step!("tkg_mutual_gaze", mutual_gaze_edges > 0, Some(format!("{mutual_gaze_edges} edges"))),
        step!("tkg_lip_sync", lip_sync_edges > 0, Some(format!("{lip_sync_edges} edges"))),
        step!("tkg_has_appearance", has_appearance_edges > 0, Some(format!("{has_appearance_edges} edges"))),
        step!("tkg_wears", wears_edges > 0, Some(format!("{wears_edges} edges"))),
        step!("tkg_hand_object", hand_object_edges > 0, Some(format!("{hand_object_edges} edges"))),
        // Rule 2
        step!(
            "rule2_relationship",
            rule2_chunks > 0,
            Some(format!("{rule2_chunks} relationship chunks"))
        ),
        // Identity & Scene
        step!(
            "identity_match",
            identity_count > 0,
            Some(format!("{identity_count} identities matched"))
        ),
        step!("scene_metadata", scene_meta_ok, None),
    ];

    Ok(Json(IngestionStatusResponse {
        file_uuid,
        steps,
        related_identities,
        strangers,
    }))
}

/// Comprehensive file stats endpoint — combines all data sources for frontend transparency
async fn get_file_stats(
    State(state): State<AppState>,
    Path(file_uuid): Path<String>,
) -> Result<Json<FileStatsResponse>, StatusCode> {
    let pool = state.db.pool();

    // 1. Get file info from PostgreSQL
    let videos_table = schema::table_name("videos");
    let file_info: Option<(String, String, String)> = sqlx::query_as(&format!(
        "SELECT file_uuid, file_name, status FROM {} WHERE file_uuid = $1",
        videos_table
    ))
    .bind(&file_uuid)
    .fetch_optional(pool)
    .await
    .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;

    let (file_uuid_str, file_name, status) = file_info
        .map(|(uuid, name, s)| (uuid, Some(name), Some(s)))
        .unwrap_or_else(|| (file_uuid.clone(), None, None));

    // 2. Get processor status from processing_status JSONB
    let processing_status: serde_json::Value =
        sqlx::query_scalar(&format!(
            "SELECT processing_status FROM {} WHERE file_uuid = $1",
            videos_table
        ))
        .bind(&file_uuid)
        .fetch_optional(pool)
        .await
        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?
        .unwrap_or(serde_json::json!({}));

    let processors: Vec<ProcessorStatus> = processing_status
        .get("progress")
        .and_then(|p| p.as_object())
        .map(|progress| {
            progress
                .iter()
                .filter_map(|(name, info)| {
                    info.as_object().map(|obj| {
                        let status = obj
                            .get("status")
                            .and_then(|s| s.as_str())
                            .unwrap_or("pending")
                            .to_string();
                        let progress_val = obj
                            .get("percentage")
                            .and_then(|p| p.as_u64())
                            .unwrap_or(0) as u32;
                        let message = obj
                            .get("message")
                            .and_then(|m| m.as_str())
                            .map(|s| s.to_string());
                        ProcessorStatus {
                            name: name.clone(),
                            status,
                            progress: progress_val,
                            message,
                        }
                    })
                })
                .collect()
        })
        .unwrap_or_default();

    // 3. Get PostgreSQL counts
    let chunk_table = schema::table_name("chunk");
    let identities_table = schema::table_name("identities");
    let file_identities_table = schema::table_name("file_identities");

    let postgres = PostgresStats {
        sentence_chunks: sqlx::query_scalar::<_, i64>(&format!(
            "SELECT COUNT(*) FROM {chunk_table} WHERE file_uuid = $1 AND chunk_type = 'sentence'"
        ))
        .bind(&file_uuid)
        .fetch_one(pool)
        .await
        .unwrap_or(0),
        trace_chunks: sqlx::query_scalar::<_, i64>(&format!(
            "SELECT COUNT(*) FROM {chunk_table} WHERE file_uuid = $1 AND chunk_type = 'trace'"
        ))
        .bind(&file_uuid)
        .fetch_one(pool)
        .await
        .unwrap_or(0),
        relationship_chunks: sqlx::query_scalar::<_, i64>(&format!(
            "SELECT COUNT(*) FROM {chunk_table} WHERE file_uuid = $1 AND chunk_type = 'relationship'"
        ))
        .bind(&file_uuid)
        .fetch_one(pool)
        .await
        .unwrap_or(0),
        identities: sqlx::query_scalar::<_, i64>(&format!(
            "SELECT COUNT(DISTINCT i.id) FROM {identities_table} i \
             JOIN {file_identities_table} fi ON fi.identity_id = i.id \
             WHERE fi.file_uuid = $1"
        ))
        .bind(&file_uuid)
        .fetch_one(pool)
        .await
        .unwrap_or(0),
        file_identities: sqlx::query_scalar::<_, i64>(&format!(
            "SELECT COUNT(*) FROM {file_identities_table} WHERE file_uuid = $1"
        ))
        .bind(&file_uuid)
        .fetch_one(pool)
        .await
        .unwrap_or(0),
    };

    // 4. Get Qdrant stats
    use crate::core::db::qdrant_db::QdrantDb;
    use serde_json::json;

    let qdrant_db = QdrantDb::new();

    // Face stats
    let face_filter = json!({
        "must": [{"key": "file_uuid", "match": {"value": file_uuid}}]
    });
    let face_points = qdrant_db
        .scroll_all_points("_faces", face_filter.clone(), 500)
        .await
        .unwrap_or_default();

    let mut face_traces = std::collections::HashSet::new();
    let mut face_identities = std::collections::HashSet::new();
    for point in &face_points {
        let payload = &point["payload"];
        if let Some(tid) = payload["trace_id"].as_i64() {
            if tid > 0 {
                face_traces.insert(tid);
            }
        }
        if let Some(iid) = payload["identity_id"].as_i64() {
            if iid > 0 {
                face_identities.insert(iid);
            }
        }
    }

    // Text chunk stats (rule1 collection)
    let schema = std::env::var("DATABASE_SCHEMA").unwrap_or_else(|_| "dev".to_string());
    let rule1_collection = if schema == "public" {
        "momentry_rule1".to_string()
    } else {
        format!("momentry_{}_rule1_v2", schema)
    };
    let text_filter = json!({
        "must": [{"key": "file_uuid", "match": {"value": file_uuid}}]
    });
    let text_points = qdrant_db
        .scroll_all_points(&rule1_collection, text_filter, 500)
        .await
        .unwrap_or_default();

    // Speaker stats
    let speaker_collection = format!("momentry_{}_speaker", schema);
    let speaker_filter = json!({
        "must": [{"key": "file_uuid", "match": {"value": file_uuid}}]
    });
    let speaker_points = qdrant_db
        .scroll_all_points(&speaker_collection, speaker_filter, 500)
        .await
        .unwrap_or_default();

    let qdrant_stats = QdrantStats {
        faces: face_points.len() as i64,
        face_traces: face_traces.len() as i64,
        face_identities: face_identities.len() as i64,
        text_chunks: text_points.len() as i64,
        speakers: speaker_points.len() as i64,
    };

    // 5. Get TKG stats from PostgreSQL
    let tkg_nodes_table = schema::table_name("tkg_nodes");
    let tkg_edges_table = schema::table_name("tkg_edges");

    let tkg_nodes_total: i64 = sqlx::query_scalar::<_, i64>(&format!("SELECT COUNT(*) FROM {} WHERE file_uuid = $1", tkg_nodes_table))
        .bind(&file_uuid).fetch_one(pool).await.unwrap_or(0);
    let tkg_edges_total: i64 = sqlx::query_scalar::<_, i64>(&format!("SELECT COUNT(*) FROM {} WHERE file_uuid = $1", tkg_edges_table))
        .bind(&file_uuid).fetch_one(pool).await.unwrap_or(0);

    let tkg = TkgFileStats {
        total_nodes: tkg_nodes_total,
        total_edges: tkg_edges_total,
        face_track_nodes: count_nodes(pool, &tkg_nodes_table, &file_uuid, "face_track").await,
        gaze_track_nodes: count_nodes(pool, &tkg_nodes_table, &file_uuid, "gaze_track").await,
        lip_track_nodes: count_nodes(pool, &tkg_nodes_table, &file_uuid, "lip_track").await,
        text_region_nodes: count_nodes(pool, &tkg_nodes_table, &file_uuid, "text_trace").await,
        appearance_nodes: count_nodes(pool, &tkg_nodes_table, &file_uuid, "appearance_trace").await,
        accessory_nodes: count_nodes(pool, &tkg_nodes_table, &file_uuid, "accessory").await,
        object_nodes: count_nodes(pool, &tkg_nodes_table, &file_uuid, "yolo_object").await,
        hand_nodes: count_nodes(pool, &tkg_nodes_table, &file_uuid, "hand").await,
        speaker_nodes: count_nodes(pool, &tkg_nodes_table, &file_uuid, "speaker").await,
        co_occurrence_edges: count_edges(pool, &tkg_edges_table, &file_uuid, "CO_OCCURS_WITH").await,
        speaker_face_edges: count_edges(pool, &tkg_edges_table, &file_uuid, "SPEAKS_AS").await,
        face_face_edges: count_edges(pool, &tkg_edges_table, &file_uuid, "FACE_TO_FACE").await,
        mutual_gaze_edges: count_edges(pool, &tkg_edges_table, &file_uuid, "MUTUAL_GAZE").await,
        lip_sync_edges: count_edges(pool, &tkg_edges_table, &file_uuid, "LIP_SYNC").await,
        has_appearance_edges: count_edges(pool, &tkg_edges_table, &file_uuid, "HAS_APPEARANCE").await,
        wears_edges: count_edges(pool, &tkg_edges_table, &file_uuid, "WEARS").await,
        hand_object_edges: count_edges(pool, &tkg_edges_table, &file_uuid, "HAND_OBJECT").await,
        ..Default::default()
    };

    // 6. Get Identity Agent stats from Qdrant _seeds
    let seeds_filter = json!({
        "must": [
            {"key": "file_uuid", "match": {"value": file_uuid}}
        ]
    });
    let seed_points = qdrant_db
        .scroll_all_points("_seeds", seeds_filter, 500)
        .await
        .unwrap_or_default();

    let identity_agent = IdentityAgentStats {
        clusters: 0, // From face_clustered.json if available
        identities_created: face_identities.len() as i64,
        tmdb_matches: seed_points.iter()
            .filter(|p| p["payload"]["source"].as_str() == Some("tmdb"))
            .count() as i64,
        speaker_bindings: speaker_points.len() as i64,
        confirmations: 0, // From identity_bindings table
    };

    Ok(Json(FileStatsResponse {
        file_uuid: file_uuid_str,
        file_name,
        status,
        processors,
        postgres,
        qdrant: qdrant_stats,
        tkg,
        identity_agent,
    }))
}

async fn count_nodes(pool: &sqlx::PgPool, table: &str, file_uuid: &str, node_type: &str) -> i64 {
    sqlx::query_scalar::<_, i64>(&format!(
        "SELECT COUNT(*) FROM {} WHERE file_uuid = $1 AND node_type = $2",
        table
    ))
    .bind(file_uuid)
    .bind(node_type)
    .fetch_one(pool)
    .await
    .unwrap_or(0)
}

async fn count_edges(pool: &sqlx::PgPool, table: &str, file_uuid: &str, edge_type: &str) -> i64 {
    sqlx::query_scalar::<_, i64>(&format!(
        "SELECT COUNT(*) FROM {} WHERE file_uuid = $1 AND edge_type = $2",
        table
    ))
    .bind(file_uuid)
    .bind(edge_type)
    .fetch_one(pool)
    .await
    .unwrap_or(0)
}

pub fn scan_routes() -> Router<AppState> {
    Router::new()
        .route("/api/v1/files/scan", get(scan_files))
        .route("/api/v1/stats/sftpgo", get(get_sftpgo_status))
        .route(
            "/api/v1/stats/ingestion-status/:file_uuid",
            get(get_ingestion_status),
        )
        .route(
            "/api/v1/stats/file/:file_uuid",
            get(get_file_stats),
        )
        .route(
            "/api/v1/stats/pipeline/:file_uuid",
            get(get_pipeline_progress_handler),
        )
}

/// Get segmented pipeline progress with weighted stages
async fn get_pipeline_progress_handler(
    State(state): State<AppState>,
    Path(file_uuid): Path<String>,
) -> Result<Json<crate::core::progress::PipelineProgress>, StatusCode> {
    let pool = state.db.pool();
    let chunk_table = schema::table_name("chunk");
    let tkg_nodes_table = schema::table_name("tkg_nodes");
    let tkg_edges_table = schema::table_name("tkg_edges");
    let pr_table = schema::table_name("processor_results");
    let mj_table = schema::table_name("monitor_jobs");

    // Compute actual progress from DB state
    let sentence_count: i64 = sqlx::query_scalar::<_, i64>(
        &format!("SELECT COUNT(*) FROM {chunk_table} WHERE file_uuid = $1 AND chunk_type = 'sentence'")
    ).bind(&file_uuid).fetch_one(pool).await.unwrap_or(0);

    let sentence_embedded: i64 = sqlx::query_scalar::<_, i64>(
        &format!("SELECT COUNT(*) FROM {chunk_table} WHERE file_uuid = $1 AND chunk_type = 'sentence' AND embedding IS NOT NULL")
    ).bind(&file_uuid).fetch_one(pool).await.unwrap_or(0);

    let face_traced: i64 = sqlx::query_scalar::<_, i64>(
        &format!("SELECT COUNT(*) FROM {pr_table} pr JOIN {mj_table} mj ON pr.job_id = mj.id WHERE mj.uuid = $1 AND pr.processor = 'face' AND pr.status = 'completed'")
    ).bind(&file_uuid).fetch_one(pool).await.unwrap_or(0);

    let tkg_node_count: i64 = sqlx::query_scalar::<_, i64>(
        &format!("SELECT COUNT(*) FROM {tkg_nodes_table} WHERE file_uuid = $1")
    ).bind(&file_uuid).fetch_one(pool).await.unwrap_or(0);

    let tkg_edge_count: i64 = sqlx::query_scalar::<_, i64>(
        &format!("SELECT COUNT(*) FROM {tkg_edges_table} WHERE file_uuid = $1")
    ).bind(&file_uuid).fetch_one(pool).await.unwrap_or(0);

    let relationship_count: i64 = sqlx::query_scalar::<_, i64>(
        &format!("SELECT COUNT(*) FROM {chunk_table} WHERE file_uuid = $1 AND chunk_type = 'relationship'")
    ).bind(&file_uuid).fetch_one(pool).await.unwrap_or(0);

    let asrx_completed: i64 = sqlx::query_scalar::<_, i64>(
        &format!("SELECT COUNT(*) FROM {pr_table} pr JOIN {mj_table} mj ON pr.job_id = mj.id WHERE mj.uuid = $1 AND pr.processor = 'asrx' AND pr.status = 'completed'")
    ).bind(&file_uuid).fetch_one(pool).await.unwrap_or(0);

    // Determine processor completion
    let processors_done = asrx_completed > 0;

    let mut pp = crate::core::progress::PipelineProgress::new(&file_uuid);

    if processors_done {
        pp.update_stage("processors", 1.0, "completed", None);
    }
    if sentence_count > 0 {
        let detail = if sentence_embedded > 0 {
            Some(format!("{} chunks, {} embedded", sentence_count, sentence_embedded))
        } else {
            Some(format!("{} chunks", sentence_count))
        };
        pp.update_stage("rule1_ingestion", 1.0, "completed", detail);
    }
    if face_traced > 0 {
        pp.update_stage("face_tracing", 1.0, "completed", None);
    }
    if tkg_node_count > 0 {
        pp.update_stage("tkg_nodes", 1.0, "completed", Some(format!("{} nodes", tkg_node_count)));
    }
    if tkg_edge_count > 0 {
        pp.update_stage("tkg_edges", 1.0, "completed", Some(format!("{} edges", tkg_edge_count)));
    }
    if relationship_count > 0 {
        pp.update_stage("rule2_ingestion", 1.0, "completed", Some(format!("{} chunks", relationship_count)));
    }

    // Check identity agent from _seeds
    use crate::core::db::qdrant_db::QdrantDb;
    use serde_json::json;
    let qdrant = QdrantDb::new();
    let schema = std::env::var("DATABASE_SCHEMA").unwrap_or_else(|_| "dev".to_string());
    let seeds_collection = if schema == "public" { "momentry_public_speaker" } else { &format!("momentry_{}_speaker", schema) };
    let seeds_filter = json!({"must": [{"key": "file_uuid", "match": {"value": &file_uuid}}]});
    let seed_points = qdrant.scroll_all_points("_seeds", seeds_filter, 100).await.unwrap_or_default();
    if !seed_points.is_empty() {
        pp.update_stage("identity_agent", 1.0, "completed", Some(format!("{} seeds", seed_points.len())));
    }

    Ok(Json(pp))
}