-- Phase 4.1: 应用市场安检 + 版本化 + 绿标
-- 幂等：仅当列/表不存在时才创建（run.sh 每次重启重跑全部迁移）

SET @db = 'aiflow';
SET @tbl = 'market_apps';

-- version
SET @col = 'version';
SET @exists = (SELECT COUNT(*) FROM information_schema.columns WHERE table_schema=@db AND table_name=@tbl AND column_name=@col);
SET @sql = IF(@exists=0, "ALTER TABLE market_apps ADD COLUMN version VARCHAR(20) NOT NULL DEFAULT '1.0.0' COMMENT '应用版本号(4.1)'", 'SELECT 1');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

-- security_scan
SET @col = 'security_scan';
SET @exists = (SELECT COUNT(*) FROM information_schema.columns WHERE table_schema=@db AND table_name=@tbl AND column_name=@col);
SET @sql = IF(@exists=0, 'ALTER TABLE market_apps ADD COLUMN security_scan JSON NULL COMMENT ''安全扫描结果(4.1)''', 'SELECT 1');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

-- dependencies
SET @col = 'dependencies';
SET @exists = (SELECT COUNT(*) FROM information_schema.columns WHERE table_schema=@db AND table_name=@tbl AND column_name=@col);
SET @sql = IF(@exists=0, 'ALTER TABLE market_apps ADD COLUMN dependencies JSON NULL COMMENT ''依赖声明(4.1)''', 'SELECT 1');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

-- verified
SET @col = 'verified';
SET @exists = (SELECT COUNT(*) FROM information_schema.columns WHERE table_schema=@db AND table_name=@tbl AND column_name=@col);
SET @sql = IF(@exists=0, 'ALTER TABLE market_apps ADD COLUMN verified TINYINT(1) NOT NULL DEFAULT 0 COMMENT ''绿标/官方安检通过(4.1)''', 'SELECT 1');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

-- 版本快照表
CREATE TABLE IF NOT EXISTS market_app_versions (
    id VARCHAR(36) NOT NULL,
    app_id VARCHAR(36) NOT NULL,
    version VARCHAR(20) NOT NULL,
    type VARCHAR(10) NOT NULL,
    config JSON NULL,
    security_scan JSON NULL,
    dependencies JSON NULL,
    created_by VARCHAR(36) NULL,
    created_at DATETIME NULL,
    PRIMARY KEY (id),
    KEY idx_mav_app (app_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='应用版本快照(4.1)';