-- AIFlow - 频道表列补充（幂等迁移）
-- 补充 001_init.sql 中 channels 表缺失的列
-- Model 中有但这些列在初始建表脚本中遗漏了

USE aiflow;

SET @dbname = DATABASE();

-- 1. webhook_url 列（Webhook回调地址）
SET @check = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
    WHERE TABLE_SCHEMA = @dbname AND TABLE_NAME = 'channels' AND COLUMN_NAME = 'webhook_url');
SET @sql = IF(@check = 0,
    'ALTER TABLE channels ADD COLUMN webhook_url VARCHAR(500) DEFAULT NULL AFTER platform',
    'SELECT ''webhook_url already exists'' AS msg');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

-- 2. credential 列（平台凭证JSON）
SET @check = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
    WHERE TABLE_SCHEMA = @dbname AND TABLE_NAME = 'channels' AND COLUMN_NAME = 'credential');
SET @sql = IF(@check = 0,
    'ALTER TABLE channels ADD COLUMN credential JSON DEFAULT NULL AFTER webhook_url',
    'SELECT ''credential already exists'' AS msg');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

-- 3. settings 列（频道设置JSON - AI行为配置等）
SET @check = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
    WHERE TABLE_SCHEMA = @dbname AND TABLE_NAME = 'channels' AND COLUMN_NAME = 'settings');
SET @sql = IF(@check = 0,
    'ALTER TABLE channels ADD COLUMN settings JSON DEFAULT NULL AFTER credential',
    'SELECT ''settings already exists'' AS msg');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

-- 4. is_active 列（是否激活）
SET @check = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
    WHERE TABLE_SCHEMA = @dbname AND TABLE_NAME = 'channels' AND COLUMN_NAME = 'is_active');
SET @sql = IF(@check = 0,
    'ALTER TABLE channels ADD COLUMN is_active TINYINT(1) DEFAULT 1 AFTER status',
    'SELECT ''is_active already exists'' AS msg');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

-- 5. oauth_state 列（OAuth扫码授权状态 - ClawBot）
SET @check = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
    WHERE TABLE_SCHEMA = @dbname AND TABLE_NAME = 'channels' AND COLUMN_NAME = 'oauth_state');
SET @sql = IF(@check = 0,
    'ALTER TABLE channels ADD COLUMN oauth_state VARCHAR(500) DEFAULT NULL AFTER is_active',
    'SELECT ''oauth_state already exists'' AS msg');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;