import assert from 'assert'
import Benchmark from 'benchmarkjs-pretty'
import { koaRouter1, koaRouter2 } from './router_koa.js'
import { flaskaRouter1, flaskaRouter2 } from './router_flaska.js'
import { expressRouter1, expressRouter2 } from './router_express.js'
import * as consts from './const.js'

let assertOk = true
let testData = null

consts.overrideDummy(function() { testData = assertOk })

function TestPromiseCreators() {
  let resolveTrue = Promise.resolve(true)

  let asyncFunc = async function() {
    let check = await resolveTrue
    if (check !== true) {
      throw new Error('false')
    }
  }
  return new Benchmark.default('test different promise creation methods')
    .add('new Promise()', function() {
      return new Promise((res, rej) => {
        try {
          resolveTrue.then(function(check) {
            res(check)
          })
        } catch (err) {
          rej(err)
        }
      })
    })
    .add('new Promise() static', function() {
      return new Promise((res, rej) => {
        res(true)
      })
    })
    .add('new Promise() static with try catch', function() {
      return new Promise((res, rej) => {
        try {
          res(true)
        } catch (err) {
          rej(err)
        }
      })
    })
    .add('new Promise() static with one then()', function() {
      return new Promise((res, rej) => {
        res(true)
      }).then(function(check) {
        return check
      })
    })
    .add('Promise.resolve()', function() {
      return Promise.resolve().then(function() {
        return resolveTrue
      }).then(function(check) {
        return check
      })
    })
    .add('resolved promise one then()', function() {
      return resolveTrue.then(function(check) {
        return check
      })
    })
    .add('resolved promise but four then()', function() {
      return resolveTrue.then(function(check) {
        return check
      })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
    })
    .add('resolved promise but twenty then()', function() {
      return resolveTrue.then(function(check) {
        if (check !== true) {
          throw new Error('false')
        }
        return true
      })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
      .then(function(item) { return item })
    })
    .add('async function()', async function() {
      let check = await resolveTrue
      if (check !== true) {
        throw new Error('false')
      }
    })
    .run()
    .then(function() {}, function(e) {
      console.error('error:', e)
      process.exit(1)
    })
}

function TestObjectAssign() {
  const base = {
    state: {},
    log: {
      info: function() { },
      warn: function() { },
      error: function() { },
    },
    router1: flaskaRouter1,
    router2: flaskaRouter2,
  }
  const req = {
    test: 1,
    test2: 2,
    koa1: koaRouter1,
    koa2: koaRouter2,
    test: function() {},
  }
  const res = {
    express1: expressRouter1,
    express2: expressRouter2,
    test: function() {},
  }
  let propMaker = {}
  let propMakerAlt = {}
  Object.keys(base).forEach(function(key) {
    propMaker[key] = {
      enumerable: true,
      value: base[key],
      writable: true,
      configurable: true,
    }
    propMakerAlt[key] = {
      enumerable: true,
      value: base[key],
      writable: true,
      configurable: true,
    }
  })
  propMakerAlt.req = {
    enumerable: true,
    get: function() {
      return req
    },
    configurable: true,
  }
  propMakerAlt.res = {
    enumerable: true,
    get: function() {
      return res
    },
    configurable: true,
  }

  function register1(ctx) {
    ctx.log = base.log
  }
  function register2(ctx) {
    ctx.router1 = flaskaRouter1
  }
  function register3(ctx) {
    ctx.router2 = flaskaRouter2
  }

  return new Benchmark.default('test different method to initialize objects)')
    .add('Object.assign()', function() {
      let ctx = {
        req: req,
        res: res,
      }
      Object.assign(ctx, base)
      ctx.log.info()
    })
    .add('register functions with direct assignment', function() {
      let ctx = {
        state: {},
        req: req,
        res: res,
      }
      register1(ctx)
      register2(ctx)
      register3(ctx)
      ctx.log.info()
    })
    /*.add('Object.create() all props', function() {
      let ctx = Object.create({}, propMakerAlt)
      ctx.log.info()
    })
    .add('Object.defineProperties()', function() {
      let ctx = {
        req: req,
        res: res,
      }
      Object.defineProperties(ctx, propMaker)
      ctx.log.info()
    })
    .add('Object.defineProperties() all props', function() {
      let ctx = { }
      Object.defineProperties(ctx, propMakerAlt)
      ctx.log.info()
    })*/
    .run()
    .then(function() {}, function(e) {
      console.error('error:', e)
      process.exit(1)
    })
}

function TestSmallStaticRoute() {
  return new Benchmark.default('Small router static route benchmark: /api/staff (16 routes registered)')
    .add('expressjs', function() {
      testData = null
      expressRouter1.handle({
        url: '/api/staff',
        method: 'GET',
      }, {}, function() { })
      assert.ok(testData)
    })
    .add('koa-router', function() {
      testData = koaRouter1.match('/api/staff', 'GET')
      assert.ok(testData.route)
    })
    .add('bottle-router', function() {
      testData = flaskaRouter1.match('/api/staff')
      assert.ok(testData.handler)
    })
    .run()
    .then(function() {}, function(e) {
      console.error('error:', e)
      process.exit(1)
    })
}

function TestSmallParamRoute() {
  return new Benchmark.default('Small router param route benchmark: /api/staff/:id (16 routes registered)')
    .add('expressjs', function() {
      testData = null
      expressRouter1.handle({
        url: '/api/staff/justatest',
        method: 'GET',
      }, {}, function() { })
      assert.ok(testData)
    })
    .add('koa-router', function() {
      testData = koaRouter1.match('/api/staff/justatest', 'GET')
      assert.ok(testData.route)
    })
    .add('bottle-router', function() {
      testData = flaskaRouter1.match('/api/staff/justatest')
      assert.ok(testData.handler)
    })
    .run()
    .then(function() {}, function(e) {
      console.error('error:', e)
      process.exit(1)
    })
}

function TestLargeStaticRoute() {
  return new Benchmark.default('Large router static route benchmark: /api/staff (58 routes registered)')
    .add('expressjs', function() {
      testData = null
      expressRouter2.handle({
        url: '/api/staff',
        method: 'GET',
      }, {}, function() { })
      assert.ok(testData)
    })
    .add('koa-router', function() {
      testData = koaRouter2.match('/api/staff', 'GET')
      assert.ok(testData.route)
    })
    .add('bottle-router', function() {
      testData = flaskaRouter2.match('/api/staff')
      assert.ok(testData.handler)
    })
    .run()
    .then(function() {}, function(e) {
      console.error('error:', e)
      process.exit(1)
    })
}

function TestLargeParamRoute() {
  return new Benchmark.default('Large router param route benchmark: /api/staff/:id (58 routes registered)')
    .add('expressjs', function() {
      testData = null
      expressRouter2.handle({
        url: '/api/staff/justatest',
        method: 'GET',
      }, {}, function() { })
      assert.ok(testData)
    })
    .add('koa-router', function() {
      testData = koaRouter2.match('/api/staff/justatest', 'GET')
      assert.ok(testData.route)
    })
    .add('bottle-router', function() {
      testData = flaskaRouter2.match('/api/staff/justatest')
      assert.ok(testData.handler)
    })
    .run()
    .then(function() {}, function(e) {
      console.error('error:', e)
      process.exit(1)
    })
}

function TestLargeParamLargeUrlRoute() {
  return new Benchmark.default('Large router param route long route benchmark: /api/products/:id/sub_products/:productId (58 routes registered)')
    .add('expressjs', function() {
      testData = null
      expressRouter2.handle({
        url: '/api/products/justatest/sub_products/foobar',
        method: 'GET',
      }, {}, function() { })
      assert.ok(testData)
    })
    .add('koa-router', function() {
      testData = koaRouter2.match('/api/products/justatest/sub_products/foobar', 'GET')
      assert.ok(testData.route)
    })
    .add('bottle-router', function() {
      testData = flaskaRouter2.match('/api/products/justatest/sub_products/foobar')
      assert.ok(testData.handler)
    })
    .run()
    .then(function() {}, function(e) {
      console.error('error:', e)
      process.exit(1)
    })
}

TestSmallStaticRoute()
// TestObjectAssign()
// TestPromiseCreators()
  .then(function() {
    return TestSmallParamRoute()
  })
  .then(function() {
    return TestLargeStaticRoute()
  })
  .then(function() {
    return TestLargeParamRoute()
  })
  .then(function() {
    return TestLargeParamLargeUrlRoute()
  })
  .then(function() {
    process.exit(0)
  })