// knexfile.mjs (ESM格式)
export default {
    development: {
        client: "sqlite3",
        connection: {
            filename: "./database/development.sqlite3",
        },
        migrations: {
            directory: "./src/db/migrations", // 迁移文件目录
            // 启用ES模块支持
            extension: "mjs",
            loadExtensions: [".mjs", ".js"],
        },
        seeds: {
            directory: "./src/db/seeds", // 种子数据目录,
            // 启用ES模块支持
            extension: "mjs",
            loadExtensions: [".mjs", ".js"],
            timestampFilenamePrefix: true,
        },
        useNullAsDefault: true, // SQLite需要这一选项
        pool: {
            min: 1,
            max: 1, // SQLite 建议设为 1，避免并发问题
            afterCreate: (conn, done) => {
                conn.run("PRAGMA journal_mode = WAL", done) // 启用 WAL 模式提高并发
            },
        },
    },

    // 生产环境、测试环境配置可按需添加
    production: {
        client: "sqlite3",
        connection: {
            filename: "./database/db.sqlite3",
        },
        migrations: {
            directory: "./src/db/migrations", // 迁移文件目录
            // 启用ES模块支持
            extension: "mjs",
            loadExtensions: [".mjs", ".js"],
        },
        seeds: {
            directory: "./src/db/seeds", // 种子数据目录,
            // 启用ES模块支持
            extension: "mjs",
            loadExtensions: [".mjs", ".js"],
            timestampFilenamePrefix: true,
        },
        useNullAsDefault: true, // SQLite需要这一选项
        pool: {
            min: 1,
            max: 1, // SQLite 建议设为 1，避免并发问题
            afterCreate: (conn, done) => {
                conn.run("PRAGMA journal_mode = WAL", done) // 启用 WAL 模式提高并发
            },
        },
    },
}