const chai = require("chai")
const assert = chai.assert
const axios = require("axios")
const sinon = require("sinon")

const BCHJS = require("../../src/bch-js")
const bchjs = new BCHJS()

const mockData = require("./fixtures/electrumx-mock")

describe(`#ElectrumX`, () => {
  let sandbox
  beforeEach(() => (sandbox = sinon.createSandbox()))
  afterEach(() => sandbox.restore())

  describe(`#utxo`, () => {
    it(`should throw an error for improper input`, async () => {
      try {
        const addr = 12345

        await bchjs.Electrumx.utxo(addr)
        assert.equal(true, false, "Unexpected result!")
      } catch (err) {
        // console.log(`err: `, err)
        assert.include(
          err.message,
          `Input address must be a string or array of strings`
        )
      }
    })

    it(`should GET utxos for a single address`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "get").resolves({ data: mockData.utxo })

      const addr = "bitcoincash:qqh793x9au6ehvh7r2zflzguanlme760wuzehgzjh9"

      const result = await bchjs.Electrumx.utxo(addr)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "utxos")
      assert.isArray(result.utxos)

      assert.property(result.utxos[0], "height")
      assert.property(result.utxos[0], "tx_hash")
      assert.property(result.utxos[0], "tx_pos")
      assert.property(result.utxos[0], "value")
    })

    it(`should POST utxo details for an array of addresses`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "post").resolves({ data: mockData.utxos })

      const addr = [
        "bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf",
        "bitcoincash:qpdh9s677ya8tnx7zdhfrn8qfyvy22wj4qa7nwqa5v"
      ]

      const result = await bchjs.Electrumx.utxo(addr)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "utxos")
      assert.isArray(result.utxos)

      assert.property(result.utxos[0], "utxos")
      assert.isArray(result.utxos[0].utxos)
      assert.property(result.utxos[0], "address")

      assert.property(result.utxos[0].utxos[0], "height")
      assert.property(result.utxos[0].utxos[0], "tx_hash")
      assert.property(result.utxos[0].utxos[0], "tx_pos")
      assert.property(result.utxos[0].utxos[0], "value")
    })
  })

  describe(`#balance`, () => {
    it(`should throw an error for improper input`, async () => {
      try {
        const addr = 12345

        await bchjs.Electrumx.balance(addr)
        assert.equal(true, false, "Unexpected result!")
      } catch (err) {
        // console.log(`err: `, err)
        assert.include(
          err.message,
          `Input address must be a string or array of strings`
        )
      }
    })

    it(`should GET balance for a single address`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "get").resolves({ data: mockData.balance })

      const addr = "bitcoincash:qqh793x9au6ehvh7r2zflzguanlme760wuzehgzjh9"

      const result = await bchjs.Electrumx.balance(addr)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "balance")
      assert.property(result.balance, "confirmed")
      assert.property(result.balance, "unconfirmed")
    })

    it(`should POST balance for an array of addresses`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "post").resolves({ data: mockData.balances })

      const addr = [
        "bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf",
        "bitcoincash:qpdh9s677ya8tnx7zdhfrn8qfyvy22wj4qa7nwqa5v"
      ]

      const result = await bchjs.Electrumx.balance(addr)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "balances")
      assert.isArray(result.balances)

      assert.property(result.balances[0], "address")
      assert.property(result.balances[0], "balance")
      assert.property(result.balances[0].balance, "confirmed")
      assert.property(result.balances[0].balance, "unconfirmed")
    })
  })

  describe(`#transactions`, () => {
    it(`should throw an error for improper input`, async () => {
      try {
        const addr = 12345

        await bchjs.Electrumx.transactions(addr)
        assert.equal(true, false, "Unexpected result!")
      } catch (err) {
        // console.log(`err: `, err)
        assert.include(
          err.message,
          `Input address must be a string or array of strings`
        )
      }
    })

    it(`should GET transactions for a single address`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "get").resolves({ data: mockData.transaction })

      const addr = "bitcoincash:qqh793x9au6ehvh7r2zflzguanlme760wuzehgzjh9"

      const result = await bchjs.Electrumx.transactions(addr)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "transactions")
      assert.isArray(result.transactions)
      assert.property(result.transactions[0], "height")
      assert.property(result.transactions[0], "tx_hash")
    })

    it(`should POST transaction history for an array of addresses`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "post").resolves({ data: mockData.transactions })

      const addr = [
        "bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf",
        "bitcoincash:qpdh9s677ya8tnx7zdhfrn8qfyvy22wj4qa7nwqa5v"
      ]

      const result = await bchjs.Electrumx.transactions(addr)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "transactions")
      assert.isArray(result.transactions)

      assert.property(result.transactions[0], "address")
      assert.property(result.transactions[0], "transactions")
      assert.isArray(result.transactions[0].transactions)
      assert.property(result.transactions[0].transactions[0], "height")
      assert.property(result.transactions[0].transactions[0], "tx_hash")
    })
  })

  describe(`#unconfirmed`, () => {
    it(`should throw an error for improper input`, async () => {
      try {
        const addr = 12345

        await bchjs.Electrumx.unconfirmed(addr)
        assert.equal(true, false, "Unexpected result!")
      } catch (err) {
        // console.log(`err: `, err)
        assert.include(
          err.message,
          `Input address must be a string or array of strings`
        )
      }
    })

    it(`should GET unconfirmed utxos for a single address`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "get").resolves({ data: mockData.unconfirmed })

      const addr = "bitcoincash:qqh793x9au6ehvh7r2zflzguanlme760wuzehgzjh9"

      const result = await bchjs.Electrumx.unconfirmed(addr)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "utxos")
      assert.isArray(result.utxos)

      assert.property(result.utxos[0], "height")
      assert.property(result.utxos[0], "tx_hash")
      assert.property(result.utxos[0], "fee")
    })

    it(`should POST unconfirmed utxo details for an array of addresses`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "post").resolves({ data: mockData.unconfirmedArray })

      const addr = [
        "bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf",
        "bitcoincash:qpdh9s677ya8tnx7zdhfrn8qfyvy22wj4qa7nwqa5v"
      ]

      const result = await bchjs.Electrumx.unconfirmed(addr)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "utxos")
      assert.isArray(result.utxos)

      assert.property(result.utxos[0], "utxos")
      assert.isArray(result.utxos[0].utxos)
      assert.property(result.utxos[0], "address")

      assert.property(result.utxos[0].utxos[0], "height")
      assert.property(result.utxos[0].utxos[0], "tx_hash")
      assert.property(result.utxos[0].utxos[0], "fee")
    })
  })

  describe(`#blockHeader`, () => {
    it(`should throw an error for improper height input`, async () => {
      try {
        // Mock network calls.
        sandbox.stub(axios, "get").rejects({
          response: {
            data: {
              success: false,
              error: "height must be a positive number"
            }
          }
        })

        const height = -10
        await bchjs.Electrumx.blockHeader(height)

        assert.equal(true, false, "Unexpected result!")
      } catch (err) {
        // console.log(`err: `, err)
        assert.include(err.message, `height must be a positive number`)
      }
    })

    it(`should throw an error for improper count input`, async () => {
      try {
        // Mock network calls.
        sandbox.stub(axios, "get").rejects({
          response: {
            data: {
              success: false,
              error: "count must be a positive number"
            }
          }
        })

        const height = 42
        const count = -10

        await bchjs.Electrumx.blockHeader(height, count)
        assert.equal(true, false, "Unexpected result!")
      } catch (err) {
        // console.log(`err: `, err)
        assert.include(err.message, `count must be a positive number`)
      }
    })

    it(`should GET block headers for a given height`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "get").resolves({ data: mockData.blockHeaders })

      const height = 42

      const result = await bchjs.Electrumx.blockHeader(height)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
      assert.isArray(result)
      assert.equal(result.length, 2)
    })
  })

  describe(`#txData`, () => {
    it(`should throw an error for improper input`, async () => {
      try {
        const txid = 12345

        await bchjs.Electrumx.txData(txid)
        assert.equal(true, false, "Unexpected result!")
      } catch (err) {
        // console.log(`err: `, err)
        assert.include(
          err.message,
          `Input txId must be a string or array of strings`
        )
      }
    })

    it(`should GET details data for a single transaction`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "get").resolves({ data: mockData.details })

      const txid =
        "4db095f34d632a4daf942142c291f1f2abb5ba2e1ccac919d85bdc2f671fb251"

      const result = await bchjs.Electrumx.txData(txid)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "details")
      assert.isObject(result.details)

      assert.property(result.details, "blockhash")
      assert.property(result.details, "hash")
      assert.property(result.details, "hex")
      assert.property(result.details, "vin")
      assert.property(result.details, "vout")
      assert.equal(result.details.hash, txid)
    })

    it(`should POST details for an array of transactions`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "post").resolves({ data: mockData.detailsArray })

      const txids = [
        "4db095f34d632a4daf942142c291f1f2abb5ba2e1ccac919d85bdc2f671fb251",
        "4db095f34d632a4daf942142c291f1f2abb5ba2e1ccac919d85bdc2f671fb251"
      ]

      const result = await bchjs.Electrumx.txData(txids)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "transactions")
      assert.isArray(result.transactions)

      assert.property(result.transactions[0], "txid")
      assert.property(result.transactions[0], "details")

      assert.property(result.transactions[0].details, "blockhash")
      assert.property(result.transactions[0].details, "hash")
      assert.property(result.transactions[0].details, "hex")
      assert.property(result.transactions[0].details, "vin")
      assert.property(result.transactions[0].details, "vout")

      assert.equal(result.transactions.length, 2, "2 outputs for 2 inputs")
    })
  })
  describe(`#broadcast`, () => {
    it(`should throw an error for improper input`, async () => {
      try {
        const txHex = 12345

        await bchjs.Electrumx.broadcast(txHex)
        assert.equal(true, false, "Unexpected result!")
      } catch (err) {
        // console.log(`err: `, err)
        assert.include(err.message, `Input txHex must be a string.`)
      }
    })
    it(`should broadcast a single transaction`, async () => {
      // Stub the network call.
      sandbox.stub(axios, "post").resolves({ data: mockData.broadcast })

      const tx = mockData.details
      const txid = tx.details.txid
      const result = await bchjs.Electrumx.broadcast(tx.details.hex)
      // console.log(`result: ${JSON.stringify(result, null, 2)}`)

      assert.property(result, "success")
      assert.equal(result.success, true)

      assert.property(result, "txid")
      assert.equal(result.txid, txid)
    })
  })
})