frontend/src/database/schema/MigrationManager.ts

import type { SQLiteDatabase } from 'expo-sqlite';
import {
  CREATE_MESSAGES_TABLE,
  CREATE_MESSAGES_INDEXES,
  MIGRATE_MESSAGES_TABLE,
} from './MessageSchema';
import {
  CREATE_CONVERSATIONS_TABLE,
  CREATE_CONVERSATION_CACHE_TABLE,
  CREATE_CONVERSATION_LIST_CACHE_TABLE,
  MIGRATE_CONVERSATIONS_TABLE,
} from './ConversationSchema';
import {
  CREATE_USERS_TABLE,
  CREATE_CURRENT_USER_CACHE_TABLE,
} from './UserSchema';
import {
  CREATE_GROUPS_TABLE,
  CREATE_GROUP_MEMBERS_TABLE,
  CREATE_GROUP_INDEXES,
} from './GroupSchema';
import {
  CREATE_POSTS_CACHE_TABLE,
} from './PostSchema';

export async function runMigrations(db: SQLiteDatabase): Promise<void> {
  if (typeof window !== 'undefined') {
    try {
      await db.execAsync(`PRAGMA locking_mode = EXCLUSIVE;`);
      await db.execAsync(`PRAGMA journal_mode = MEMORY;`);
      await db.execAsync(`PRAGMA temp_store = MEMORY;`);
      console.log('[MigrationManager] Web: 已设置 EXCLUSIVE locking + MEMORY journal/temp 模式');
    } catch (e) {
      console.warn('[MigrationManager] 设置 PRAGMA 失败:', e);
    }
  }

  await db.execAsync(CREATE_MESSAGES_TABLE);
  await db.execAsync(CREATE_CONVERSATIONS_TABLE);
  await db.execAsync(CREATE_CONVERSATION_CACHE_TABLE);
  await db.execAsync(CREATE_CONVERSATION_LIST_CACHE_TABLE);
  await db.execAsync(CREATE_USERS_TABLE);
  await db.execAsync(CREATE_CURRENT_USER_CACHE_TABLE);
  await db.execAsync(CREATE_GROUPS_TABLE);
  await db.execAsync(CREATE_GROUP_MEMBERS_TABLE);
  await db.execAsync(CREATE_POSTS_CACHE_TABLE);

  for (const indexSql of CREATE_MESSAGES_INDEXES) {
    await db.execAsync(indexSql);
  }
  for (const indexSql of CREATE_GROUP_INDEXES) {
    await db.execAsync(indexSql);
  }

  await MIGRATE_MESSAGES_TABLE(db);
  await MIGRATE_CONVERSATIONS_TABLE(db);
}