import 'reflect-metadata';
import process from 'node:process';
import { inspect } from 'node:util';
import { MemoryCacheAdapter } from '@mikro-orm/core';
import { defineConfig, type Options } from '@mikro-orm/postgresql';
import { HttpException } from '@nestjs/common';
import { parseBoolean } from '@wener/utils';

export function defineMikroOrmOptions(opts: Partial<Options>) {
	return defineConfig({ ...getDefaultMikroOrmOptions(), ...opts });
}

export function getDefaultMikroOrmOptions({
	env = process.env,
}: {
	readonly env?: Record<string, string | undefined>;
} = {}): Partial<Options> {
	const { DATABASE_DSN, DB_URL, DATABASE_URL, DB_DSN, DB_DEBUG, DATABASE_DEBUG } = env;
	const clientUrl = DB_DSN || DATABASE_DSN || DB_URL || DATABASE_URL;
	const debug = parseBoolean(DB_DEBUG || DATABASE_DEBUG);
	return {
		forceUndefined: true, // null -> undefined - 减少序列化后的内容
		clientUrl,
		debug,
		serialization: {
			forceObject: true,
		},

		resultCache: {
			adapter: MemoryCacheAdapter,
			expiration: 5000, // 5s
			options: {},
		},
		findOneOrFailHandler(entityName, where) {
			throw new HttpException(`未找到数据: ${entityName} ${inspect(where)}`, 404);
		},
		findExactlyOneOrFailHandler(entityName, where) {
			throw new HttpException(`错误的数据数量: ${entityName} ${inspect(where)}`, 400);
		},
		entities: [],
	} satisfies Partial<Options>;
}