const { query } = require('../database/db');

class ManualFeedSack {
    /**
     * Get all manual entries for a date range
     * @param {string} startDate - Start date (YYYY-MM-DD)
     * @param {string} endDate - End date (YYYY-MM-DD)
     * @returns {Promise<Array>} Array of manual feed sack entries
     */
    static async getByDateRange(startDate, endDate) {
        const result = await query(
            'SELECT * FROM manual_feed_sack_entries WHERE date >= $1 AND date <= $2 ORDER BY date ASC',
            [startDate, endDate]
        );
        return result.rows;
    }

    /**
     * Get manual entry for specific date and camera
     * @param {string} date - Date (YYYY-MM-DD)
     * @param {string} cameraName - Camera name
     * @returns {Promise<Object|null>} Manual entry or null if not found
     */
    static async getByDateAndCamera(date, cameraName) {
        const result = await query(
            'SELECT * FROM manual_feed_sack_entries WHERE date = $1 AND camera_name = $2',
            [date, cameraName]
        );
        return result.rows[0] || null;
    }

    /**
     * Insert or update manual entry (upsert)
     * @param {string} date - Date (YYYY-MM-DD)
     * @param {string} cameraName - Camera name
     * @param {number} count - Sack count
     * @param {string} createdBy - Username of creator
     * @param {string} keterangan - Optional notes/remarks (max 200 chars)
     * @returns {Promise<Object>} Created/updated entry
     */
    static async upsert(date, cameraName, count, createdBy, keterangan = null) {
        const result = await query(
            `INSERT INTO manual_feed_sack_entries (date, camera_name, count, created_by, keterangan)
             VALUES ($1, $2, $3, $4, $5)
             ON CONFLICT (date, camera_name)
             DO UPDATE SET
                count = $3,
                keterangan = $5,
                updated_at = CURRENT_TIMESTAMP
             RETURNING *`,
            [date, cameraName, count, createdBy, keterangan]
        );
        return result.rows[0];
    }

    /**
     * Delete manual entry
     * @param {string} date - Date (YYYY-MM-DD)
     * @param {string} cameraName - Camera name
     * @returns {Promise<void>}
     */
    static async delete(date, cameraName) {
        await query(
            'DELETE FROM manual_feed_sack_entries WHERE date = $1 AND camera_name = $2',
            [date, cameraName]
        );
    }
}

module.exports = ManualFeedSack;