import * as assert from 'assert'
import {WAConnection} from '../WAConnection/WAConnection'
import { AuthenticationCredentialsBase64, BaileysError, ReconnectMode } from '../WAConnection/Constants'
import { delay } from '../WAConnection/Utils'

describe('QR Generation', () => {
    it('should generate QR', async () => {
        const conn = new WAConnection()
        conn.regenerateQRIntervalMs = 5000

        let calledQR = 0
        conn.removeAllListeners ('qr')
        conn.on ('qr', qr => calledQR += 1)
        
        await conn.connect({ timeoutMs: 15000 })
            .then (() => assert.fail('should not have succeeded'))
            .catch (error => {
                assert.equal (error.message, 'timed out')
            })
        assert.deepEqual (conn['pendingRequests'], [])
        assert.deepEqual (
            Object.keys(conn['callbacks']).filter(key => !key.startsWith('function:')), 
            []
        )
        assert.ok(calledQR >= 2, 'QR not called')
    })
})

describe('Test Connect', () => {
    let auth: AuthenticationCredentialsBase64
    it('should connect', async () => {
        console.log('please be ready to scan with your phone')
        
        const conn = new WAConnection()
        await conn.connect ()
        assert.ok(conn.user?.id)
        assert.ok(conn.user?.phone)
        assert.ok (conn.user?.imgUrl || conn.user.imgUrl === '')

        conn.close()
        auth = conn.base64EncodedAuthInfo()
    })
    it('should reconnect', async () => {
        const conn = new WAConnection()
        await conn
        .loadAuthInfo (auth)
        .connect ({timeoutMs: 20*1000})
        .then (conn => {
            assert.ok(conn.user)
            assert.ok(conn.user.id)

            const chatArray = conn.chats.all()
            if (chatArray.length > 0) {
                assert.ok(chatArray[0].jid)
                assert.ok(chatArray[0].count !== null)
                if (chatArray[0].messages.length > 0) {
                    assert.ok(chatArray[0].messages[0])
                }  
            }
            const contactValues = Object.values(conn.contacts)
            if (contactValues[0]) {
                assert.ok(contactValues[0].jid)
            }
        })
        .then (() => conn.logout())
        .then (() => conn.loadAuthInfo(auth))
        .then (() => (
            conn.connect()
                .then (() => assert.fail('should not have reconnected'))
                .catch (err => {
                    assert.ok (err instanceof BaileysError)
                    assert.ok ((err as BaileysError).status >= 400)
                })
        ))
        .finally (() => conn.close())
    })
})
describe ('Reconnects', () => {
    it ('should disconnect & reconnect phone', async () => {
        const conn = new WAConnection ()
        await conn.loadAuthInfo('./auth_info.json').connect ()
        assert.equal (conn.phoneConnected, true)

        try {
            const waitForEvent = expect => new Promise (resolve => {
                conn.on ('connection-phone-change', ({connected}) => {
                    assert.equal (connected, expect)
                    conn.removeAllListeners ('connection-phone-change')
                    resolve ()
                })
            })

            console.log ('disconnect your phone from the internet')
            await waitForEvent (false)
            console.log ('reconnect your phone to the internet')
            await waitForEvent (true)
        } finally {
            conn.close ()
        }
    })
    it ('should reconnect on broken connection', async () => {
        const conn = new WAConnection ()
        conn.autoReconnect = ReconnectMode.onConnectionLost

        await conn.loadAuthInfo('./auth_info.json').connect ()
        assert.equal (conn.phoneConnected, true)

        try {
            const closeConn = () => conn['conn']?.terminate ()
            
            const task = new Promise (resolve => {
                let closes = 0
                conn.on ('close', ({reason, isReconnecting}) => {
                    console.log (`closed: ${reason}`)
                    assert.ok (reason)
                    assert.ok (isReconnecting)
                    closes += 1
                    
                    // let it fail reconnect a few times
                    if (closes > 3) {
                        conn.removeAllListeners ('close')
                        conn.removeAllListeners ('connecting')
                        resolve ()
                    }
                })
                conn.on ('connecting', () => {
                    // close again
                    delay (3500).then (closeConn)   
                })
            })

            closeConn ()
            await task
            
            await new Promise (resolve => {
                conn.on ('open', () => {
                    conn.removeAllListeners ('open')
                    resolve ()
                })
            })

            conn.close ()
            
            conn.on ('connecting', () => assert.fail('should not connect'))
            await delay (2000)
        } finally {
            conn.removeAllListeners ('connecting')
            conn.removeAllListeners ('close')
            conn.removeAllListeners ('open')
            conn.close ()
        }
    })
})
describe ('Pending Requests', () => {
    it('should queue requests when closed', async () => {
          const conn = new WAConnection ()
          conn.pendingRequestTimeoutMs = null

          await conn.loadAuthInfo('./auth_info.json').connect ()
          
          await delay (2000)

          conn.close ()

          const task: Promise<any> = conn.query({json: ['query', 'Status', conn.user.id]})

          await delay (2000)

          conn.connect ()
          const json = await task
          
          assert.ok (json.status)

          conn.close ()
    })
})