import { expect } from 'chai'
import { UserModel } from '../../src/db/models/UserModel.js'
import db from '../../src/db/index.js'

describe('UserModel', () => {
    before(async () => {
        // 确保users表存在
        const exists = await db.schema.hasTable('users')
        if (!exists) {
            await db.schema.createTable('users', (table) => {
                table.increments('id').primary()
                table.string('username').unique()
                table.string('email').unique()
                table.string('password')
                table.string('role').defaultTo('user')
                table.string('status').defaultTo('active')
                table.string('phone')
                table.integer('age')
                table.string('name')
                table.text('bio')
                table.string('avatar')
                table.timestamp('created_at').defaultTo(db.fn.now())
                table.timestamp('updated_at').defaultTo(db.fn.now())
            })
        }
    })

    after(async () => {
        // 清理测试数据
        await db('users').del()
    })

    beforeEach(async () => {
        // 清空用户数据
        await db('users').del()
    })

    describe('User Creation', () => {
        it('应该正确创建用户', async () => {
            const userData = {
                username: 'testuser',
                email: 'test@example.com',
                password: 'password123',
                name: 'Test User'
            }
            
            const user = await UserModel.create(userData)
            
            expect(user).to.have.property('id')
            expect(user.username).to.equal('testuser')
            expect(user.email).to.equal('test@example.com')
            expect(user.name).to.equal('Test User')
            expect(user.role).to.equal('user')
            expect(user.status).to.equal('active')
        })

        it('应该防止重复用户名', async () => {
            const userData1 = {
                username: 'duplicateuser',
                email: 'test1@example.com',
                password: 'password123'
            }
            
            const userData2 = {
                username: 'duplicateuser',
                email: 'test2@example.com',
                password: 'password123'
            }
            
            await UserModel.create(userData1)
            
            try {
                await UserModel.create(userData2)
                expect.fail('应该抛出错误')
            } catch (error) {
                expect(error.message).to.include('用户名已存在')
            }
        })

        it('应该防止重复邮箱', async () => {
            const userData1 = {
                username: 'user1',
                email: 'duplicate@example.com',
                password: 'password123'
            }
            
            const userData2 = {
                username: 'user2',
                email: 'duplicate@example.com',
                password: 'password123'
            }
            
            await UserModel.create(userData1)
            
            try {
                await UserModel.create(userData2)
                expect.fail('应该抛出错误')
            } catch (error) {
                expect(error.message).to.include('邮箱已存在')
            }
        })
    })

    describe('User Queries', () => {
        let testUser

        beforeEach(async () => {
            testUser = await UserModel.create({
                username: 'testuser',
                email: 'test@example.com',
                password: 'password123',
                name: 'Test User'
            })
        })

        it('应该按ID查找用户', async () => {
            const user = await UserModel.findById(testUser.id)
            expect(user).to.deep.equal(testUser)
        })

        it('应该按用户名查找用户', async () => {
            const user = await UserModel.findByUsername('testuser')
            expect(user).to.deep.equal(testUser)
        })

        it('应该按邮箱查找用户', async () => {
            const user = await UserModel.findByEmail('test@example.com')
            expect(user).to.deep.equal(testUser)
        })

        it('应该查找所有用户', async () => {
            await UserModel.create({
                username: 'anotheruser',
                email: 'another@example.com',
                password: 'password123'
            })
            
            const users = await UserModel.findAll()
            expect(users).to.have.length(2)
        })
    })

    describe('User Updates', () => {
        let testUser

        beforeEach(async () => {
            testUser = await UserModel.create({
                username: 'testuser',
                email: 'test@example.com',
                password: 'password123',
                name: 'Test User'
            })
        })

        it('应该正确更新用户', async () => {
            const updated = await UserModel.update(testUser.id, {
                name: 'Updated Name',
                phone: '123456789'
            })
            
            expect(updated.name).to.equal('Updated Name')
            expect(updated.phone).to.equal('123456789')
            expect(updated.email).to.equal('test@example.com') // 未更新的字段保持不变
        })

        it('应该防止更新为重复的用户名', async () => {
            await UserModel.create({
                username: 'anotheruser',
                email: 'another@example.com',
                password: 'password123'
            })
            
            try {
                await UserModel.update(testUser.id, { username: 'anotheruser' })
                expect.fail('应该抛出错误')
            } catch (error) {
                expect(error.message).to.include('用户名已存在')
            }
        })

        it('应该防止更新为重复的邮箱', async () => {
            await UserModel.create({
                username: 'anotheruser',
                email: 'another@example.com',
                password: 'password123'
            })
            
            try {
                await UserModel.update(testUser.id, { email: 'another@example.com' })
                expect.fail('应该抛出错误')
            } catch (error) {
                expect(error.message).to.include('邮箱已存在')
            }
        })
    })

    describe('User Status Management', () => {
        let testUser

        beforeEach(async () => {
            testUser = await UserModel.create({
                username: 'testuser',
                email: 'test@example.com',
                password: 'password123'
            })
        })

        it('应该激活用户', async () => {
            await UserModel.deactivate(testUser.id)
            let user = await UserModel.findById(testUser.id)
            expect(user.status).to.equal('inactive')
            
            await UserModel.activate(testUser.id)
            user = await UserModel.findById(testUser.id)
            expect(user.status).to.equal('active')
        })

        it('应该停用用户', async () => {
            await UserModel.deactivate(testUser.id)
            const user = await UserModel.findById(testUser.id)
            expect(user.status).to.equal('inactive')
        })
    })

    describe('User Statistics', () => {
        beforeEach(async () => {
            await db('users').del()
            
            await UserModel.create({
                username: 'activeuser1',
                email: 'active1@example.com',
                password: 'password123',
                status: 'active'
            })
            
            await UserModel.create({
                username: 'activeuser2',
                email: 'active2@example.com',
                password: 'password123',
                status: 'active'
            })
            
            await UserModel.create({
                username: 'inactiveuser',
                email: 'inactive@example.com',
                password: 'password123',
                status: 'inactive'
            })
        })

        it('应该正确获取用户统计', async () => {
            const stats = await UserModel.getUserStats()
            expect(stats.total).to.equal(3)
            expect(stats.active).to.equal(2)
            expect(stats.inactive).to.equal(1)
        })
    })
})