import { TestContext } from "../Context";
import { EntityDict } from "../test-app-domain";
import { v4 } from 'uuid';
import assert from 'assert';
import { generateNewIdAsync } from 'oak-domain/lib/utils/uuid';
import { describe, it, before, after } from 'mocha';
import { DbStore } from "../../lib/types/dbStore";

export default (storeGetter: () => DbStore<EntityDict, TestContext>) => {

    // ==================== 字符串操作测试 ====================

    it('[3.1]string expression $endsWith', async () => {
        const store = storeGetter();
        const context = new TestContext(store);
        await context.begin();

        const id1 = v4();
        const id2 = v4();
        await store.operate('user', {
            id: v4(),
            action: 'create',
            data: [
                {
                    id: id1,
                    name: 'test_user',
                    nickname: 'test', idState: 'unverified', userState: 'normal'
                },
                {
                    id: id2,
                    name: 'admin_role',
                    nickname: 'admin', idState: 'unverified', userState: 'normal'
                },
            ]
        }, context, {});
        await context.commit();

        // 测试 $endsWith: name ends with '_user'
        const r1 = await context.select('user', {
            data: { id: 1, name: 1 },
            filter: {
                id: { $in: [id1, id2] },
                $expr: {
                    $endsWith: [{ '#attr': 'name' }, '_user']
                }
            }
        }, {});
        assert(r1.length === 1 && r1[0].id === id1, `Expected id1, got ${r1.map(r => r.id)}`);
    });

    it('[3.2]string expression $includes', async () => {
        const store = storeGetter();
        const context = new TestContext(store);
        await context.begin();

        const id1 = v4();
        const id2 = v4();
        await store.operate('user', {
            id: v4(),
            action: 'create',
            data: [
                {
                    id: id1,
                    name: 'test_admin_user',
                    nickname: 'test', idState: 'unverified', userState: 'normal'
                },
                {
                    id: id2,
                    name: 'guest_role',
                    nickname: 'guest', idState: 'unverified', userState: 'normal'
                },
            ]
        }, context, {});
        await context.commit();

        // 测试 $includes: name includes 'admin'
        const r1 = await context.select('user', {
            data: { id: 1, name: 1 },
            filter: {
                id: { $in: [id1, id2] },
                $expr: {
                    $includes: [{ '#attr': 'name' }, 'admin']
                }
            }
        }, {});
        assert(r1.length === 1 && r1[0].id === id1, `Expected id1, got ${r1.map(r => r.id)}`);
    });

    it('[3.3]string expression $concat', async () => {
        const store = storeGetter();
        const context = new TestContext(store);
        await context.begin();

        const id1 = v4();
        await store.operate('user', {
            id: v4(),
            action: 'create',
            data: {
                id: id1,
                name: 'hello',
                nickname: 'world', idState: 'unverified', userState: 'normal'
            }
        }, context, {});
        await context.commit();

        // 测试 $concat: concat(name, '_', nickname) = 'hello_world'
        const r1 = await context.select('user', {
            data: { id: 1, name: 1, nickname: 1 },
            filter: {
                id: id1,
                $expr: {
                    $eq: [
                        { $concat: [{ '#attr': 'name' }, '_', { '#attr': 'nickname' }] },
                        'hello_world'
                    ]
                }
            }
        }, {});
        assert(r1.length === 1, `Expected 1 row, got ${r1.length}`);
    });


    // ==================== 字符串 $startsWith 在表达式中测试 ====================

    it('[10.2]string $startsWith in expression', async () => {
        const store = storeGetter();
        const context = new TestContext(store);
        await context.begin();

        const id1 = v4();
        const id2 = v4();
        const id3 = v4();

        await store.operate('user', {
            id: v4(),
            action: 'create',
            data: [
                { id: id1, name: 'test_admin', nickname: 'test', idState: 'unverified', userState: 'normal' },
                { id: id2, name: 'test_user', nickname: 'test', idState: 'unverified', userState: 'normal' },
                { id: id3, name: 'admin_role', nickname: 'admin1', idState: 'unverified', userState: 'normal' },
            ]
        }, context, {});
        await context.commit();

        // 测试 name 以 nickname 开头
        const r1 = await context.select('user', {
            data: { id: 1, name: 1, nickname: 1 },
            filter: {
                id: { $in: [id1, id2, id3] },
                $expr: {
                    $startsWith: [
                        { '#attr': 'name' },
                        { '#attr': 'nickname' }
                    ]
                }
            }
        }, {});
        assert(r1.length === 2, `$startsWith with two attrs failed, expected 2, got ${r1.length}`);
        const ids = r1.map(r => r.id);
        assert(ids.includes(id1) && ids.includes(id2), `Expected id1 and id2`);
    });

}