"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ThreadsDAO = void 0;
const uuid_1 = require("uuid");
class ThreadsDAO {
    dbManager;
    constructor(dbManager) {
        this.dbManager = dbManager;
    }
    get db() {
        return this.dbManager.getDatabase();
    }
    create(input) {
        const id = input.id || (0, uuid_1.v4)();
        const now = new Date();
        const thread = {
            id,
            sessionId: input.sessionId || id,
            title: input.title || 'New Thread',
            description: input.description,
            gitBranch: input.gitBranch,
            createdAt: input.createdAt || now,
            updatedAt: input.updatedAt || now,
            messageCount: input.messageCount || 0,
            isActive: input.isActive || false,
            metadata: {
                filesChanged: input.metadata?.filesChanged || 0,
                linesAdded: input.metadata?.linesAdded || 0,
                linesDeleted: input.metadata?.linesDeleted || 0,
                tags: input.metadata?.tags || []
            }
        };
        const stmt = this.db.prepare(`
      INSERT INTO threads (
        id, session_id, git_branch, title, description, created_at, updated_at, 
        message_count, is_active, files_changed, 
        lines_added, lines_deleted, tags
      ) VALUES (
        ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?
      )
    `);
        stmt.run(thread.id, thread.sessionId, thread.gitBranch || null, thread.title, thread.description || null, thread.createdAt.getTime(), thread.updatedAt.getTime(), thread.messageCount, thread.isActive ? 1 : 0, thread.metadata.filesChanged, thread.metadata.linesAdded, thread.metadata.linesDeleted, JSON.stringify(thread.metadata.tags || []));
        return thread;
    }
    findById(id) {
        const stmt = this.db.prepare('SELECT * FROM threads WHERE id = ?');
        const row = stmt.get(id);
        if (!row)
            return null;
        return this.mapRowToThread(row);
    }
    findAll(options) {
        const { limit = 50, offset = 0, sortBy = 'updatedAt', order = 'desc', tags } = options || {};
        let query = 'SELECT * FROM threads';
        let countQuery = 'SELECT COUNT(*) as total FROM threads';
        const params = [];
        const conditions = [];
        if (tags && tags.length > 0) {
            // Note: This is a simple implementation. Ideally use FTS or separate tags table.
            // For now, using LIKE on JSON string which is suboptimal but works for MVP.
            const tagConditions = tags.map(tag => {
                params.push(`%"${tag}"%`);
                return 'tags LIKE ?';
            });
            conditions.push(`(${tagConditions.join(' OR ')})`);
        }
        if (conditions.length > 0) {
            const whereClause = ` WHERE ${conditions.join(' AND ')}`;
            query += whereClause;
            countQuery += whereClause;
        }
        const sortColumn = sortBy === 'updatedAt' ? 'updated_at' :
            sortBy === 'createdAt' ? 'created_at' : 'message_count';
        query += ` ORDER BY ${sortColumn} ${order.toUpperCase()}`;
        query += ` LIMIT ? OFFSET ?`;
        // params for where clause + limit + offset
        const queryParams = [...params, limit, offset];
        const rows = this.db.prepare(query).all(...queryParams);
        const totalRow = this.db.prepare(countQuery).get(...params);
        return {
            threads: rows.map(this.mapRowToThread),
            total: totalRow.total
        };
    }
    update(id, updates) {
        const current = this.findById(id);
        if (!current)
            return null;
        // Merge updates
        const updated = { ...current, ...updates };
        updated.updatedAt = new Date(); // Always update updatedAt
        // Ensure metadata is merged correctly if provided
        if (updates.metadata) {
            updated.metadata = { ...current.metadata, ...updates.metadata };
        }
        const stmt = this.db.prepare(`
      UPDATE threads SET
        title = ?,
        description = ?,
        git_branch = ?,
        updated_at = ?,
        message_count = ?,
        is_active = ?,
        files_changed = ?,
        lines_added = ?,
        lines_deleted = ?,
        tags = ?
      WHERE id = ?
    `);
        stmt.run(updated.title, updated.description || null, updated.gitBranch || null, updated.updatedAt.getTime(), updated.messageCount, updated.isActive ? 1 : 0, updated.metadata.filesChanged, updated.metadata.linesAdded, updated.metadata.linesDeleted, JSON.stringify(updated.metadata.tags || []), id);
        return updated;
    }
    delete(id) {
        const stmt = this.db.prepare('DELETE FROM threads WHERE id = ?');
        const result = stmt.run(id);
        return result.changes > 0;
    }
    setActive(id) {
        const trx = this.db.transaction(() => {
            // Deactivate all
            this.db.prepare('UPDATE threads SET is_active = 0').run();
            // Activate target
            const result = this.db.prepare('UPDATE threads SET is_active = 1 WHERE id = ?').run(id);
            return result.changes > 0;
        });
        return trx();
    }
    getActive() {
        const stmt = this.db.prepare('SELECT * FROM threads WHERE is_active = 1 LIMIT 1');
        const row = stmt.get();
        if (!row)
            return null;
        return this.mapRowToThread(row);
    }
    findByPrefix(prefix) {
        const stmt = this.db.prepare(`SELECT * FROM threads WHERE id LIKE ? || '%'`);
        const rows = stmt.all(prefix);
        return rows.map(this.mapRowToThread);
    }
    mapRowToThread(row) {
        return {
            id: row.id,
            sessionId: row.session_id || row.id,
            title: row.title,
            description: row.description || undefined,
            gitBranch: row.git_branch || undefined,
            createdAt: new Date(row.created_at),
            updatedAt: new Date(row.updated_at),
            messageCount: row.message_count,
            isActive: Boolean(row.is_active),
            metadata: {
                filesChanged: row.files_changed,
                linesAdded: row.lines_added,
                linesDeleted: row.lines_deleted,
                tags: JSON.parse(row.tags || '[]')
            }
        };
    }
}
exports.ThreadsDAO = ThreadsDAO;