const tape = require('tape')
const base58 = require('bs58')
const MsgV2 = require('../../lib/msg-v2')
const { generateKeypair } = require('../util')

tape('validate root msg', (t) => {
  const keys = generateKeypair('alice')
  const group = MsgV2.getMsgHash(MsgV2.createGroup(keys, 'alice'))
  const pubkeys = new Set([keys.id])

  const rootMsg = MsgV2.createRoot(group, 'post', keys)
  const rootHash = MsgV2.getMsgHash(rootMsg)
  const tangle = new MsgV2.Tangle(rootHash)

  const err = MsgV2.validate(rootMsg, tangle, pubkeys, rootHash, rootHash)
  if (err) console.log(err)
  t.error(err, 'valid root msg')
  t.end()
})

tape('validate 2nd msg with existing root', (t) => {
  const keys = generateKeypair('alice')
  const group = MsgV2.getMsgHash(MsgV2.createGroup(keys, 'alice'))
  const pubkeys = new Set([keys.id])

  const rootMsg = MsgV2.createRoot(group, 'post', keys)
  const rootHash = MsgV2.getMsgHash(rootMsg)
  const tangle = new MsgV2.Tangle(rootHash)
  tangle.add(rootHash, rootMsg)

  const msg1 = MsgV2.create({
    group,
    groupTips: [group],
    type: 'post',
    data: { text: 'Hello world!' },
    tangles: {
      [rootHash]: tangle,
    },
    keys,
  })
  const msgHash1 = MsgV2.getMsgHash(msg1)
  tangle.add(msgHash1, msg1)

  const err = MsgV2.validate(msg1, tangle, pubkeys, msgHash1, rootHash)
  if (err) console.log(err)
  t.error(err, 'valid 2nd msg')
  t.end()
})

tape('validate 2nd forked msg', (t) => {
  const keys = generateKeypair('alice')
  const group = MsgV2.getMsgHash(MsgV2.createGroup(keys, 'alice'))
  const pubkeys = new Set([keys.id])

  const rootMsg = MsgV2.createRoot(group, 'post', keys)
  const rootHash = MsgV2.getMsgHash(rootMsg)
  const tangle = new MsgV2.Tangle(rootHash)
  tangle.add(rootHash, rootMsg)

  const msg1A = MsgV2.create({
    group,
    groupTips: [group],
    type: 'post',
    data: { text: 'Hello world!' },
    tangles: {
      [rootHash]: tangle,
    },
    keys,
  })
  const msgHash1A = MsgV2.getMsgHash(msg1A)

  const msg1B = MsgV2.create({
    group,
    groupTips: [group],
    type: 'post',
    data: { text: 'Hello world!' },
    tangles: {
      [rootHash]: tangle,
    },
    keys,
  })
  const msgHash1B = MsgV2.getMsgHash(msg1B)

  tangle.add(msgHash1A, msg1A)
  tangle.add(msgHash1B, msg1B)
  const err = MsgV2.validate(msg1B, tangle, pubkeys, msgHash1B, rootHash)
  if (err) console.log(err)
  t.error(err, 'valid 2nd forked msg')
  t.end()
})