'use client'
import {Button} from '@/components/ui/button'
import banner from './_assets/banner.webp'
import personal from './_assets/personal.webp'
import Image from 'next/image'
import Page from '@/components/page'
import {Dialog, DialogContent, DialogFooter, DialogTitle, DialogTrigger} from '@/components/ui/dialog'
import {Form, FormField} from '@/components/ui/form'
import {useForm} from 'react-hook-form'
import zod from 'zod'
import {zodResolver} from '@hookform/resolvers/zod'
import {Identify} from '@/actions/auth/identify'
import {toast} from 'sonner'
import {useContext, useEffect, useRef, useState} from 'react'
import * as qrcode from 'qrcode'
import {AuthContext} from '@/components/providers/AuthProvider'

export type IdentifyPageProps = {}

export default function IdentifyPage(props: IdentifyPageProps) {

  // ======================
  // 填写信息
  // ======================

  const schema = zod.object({
    type: zod.enum([`personal`, `enterprise`], {errorMap: () => ({message: `请选择认证类型`})}).default('personal'),
    name: zod.string().min(2, {message: `姓名至少2个字符`}),
    iden_no: zod.string().length(18, {message: `身份证号码必须为18位`}),
  })
  type Schema = zod.infer<typeof schema>

  const form = useForm<Schema>({
    resolver: zodResolver(schema),
    defaultValues: {
      type: `personal`,
      name: ``,
      iden_no: ``,
    },
  })

  const handler = form.handleSubmit(
    async (value) => {
      const resp = await Identify({
        type: value.type === `personal` ? 1 : 2,
        name: value.name,
        iden_no: value.iden_no,
      })
      if (resp.success) {
        form.reset()
        if (!resp.data?.identified) {
          setStep('scan')
          setTarget(resp.data.target)
        }
        else {
          toast.success('认证已完成')
        }
      }
      else {
        console.log(resp.message)
        toast.error(`认证信息提交失败：请稍后重试`)
      }
    },
  )

  // ======================
  // 扫码认证
  // ======================

  const [step, setStep] = useState<'form' | 'scan'>('form')
  const [target, setTarget] = useState('')
  const [openDialog, setOpenDialog] = useState(false)
  const canvas = useRef<HTMLCanvasElement>(null)

  useEffect(() => {
    if (canvas.current && target) {
      qrcode.toCanvas(canvas.current, target, {
        width: 256,
        margin: 0,
      }, (error) => {
        if (error) {
          console.error(error)
          toast.error(`二维码生成失败：请稍后重试`)
        }
      })
    }
  }, [target])

  // ======================
  // 用户数据
  // ======================

  const ctx = useContext(AuthContext)
  console.log('render identify page')

  // ======================
  // render
  // ======================

  return (
    <Page mode={`blank`}>
      <div className={`flex-3/4 flex flex-col bg-white rounded-lg overflow-hidden gap-16`}>

        {/* banner */}
        <section className={`flex-none basis-40 relative flex flex-col gap-4 pl-8 justify-center`}>
          <Image src={banner} alt={`背景图`} aria-hidden className={`absolute inset-0 w-full h-full object-cover`}/>
          <h3 className={`text-lg font-bold z-10 relative`}>蓝狐HTTP邀请您参与【先测后买】服务</h3>
          <p className={`text-sm text-gray-600 z-10 relative`}>为了保障您的账户安全，请先完成实名认证，即可获取福利套餐测试资格</p>
        </section>

        <div className={`flex-auto flex justify-center items-start`}>
          {/* 个人认证 */}
          <section className={`w-96 bg-gray-50 p-8 rounded-md flex flex-col gap-4 items-center`}>
            <Image src={personal} alt={`个人认证`}/>
            <div>
              <h3 className={`text-center text-lg font-bold`}>个人认证</h3>
              <p className={`text-sm text-gray-600`}>平台授权支付宝安全认证，不会泄露您的认证信息</p>
            </div>
            {ctx.profile?.id_token ? (
              <div className={`flex flex-col gap-4`}>
                <p className={`text-sm text-gray-600`}>已完成实名认证</p>
              </div>
            ) : (
              <Dialog open={openDialog} onOpenChange={setOpenDialog}>
                <DialogTrigger asChild>
                  <Button className={`w-full`}>去认证</Button>
                </DialogTrigger>
                <DialogContent>
                  <DialogTitle>
                    {step === 'form' ? `实名认证` : `扫码完成认证`}
                  </DialogTitle>
                  {step === 'form' && (
                    <Form form={form} handler={handler} className={`flex flex-col gap-4`}>
                      <FormField<Schema> name={`name`} label={`姓名`}>
                        {({id, field}) => (
                          <input
                            {...field}
                            id={id}
                            placeholder={`请输入姓名`}
                            className={`border rounded p-2 w-full`}
                            autoComplete={`name`}
                          />
                        )}
                      </FormField>
                      <FormField<Schema> name={`iden_no`} label={`身份证号`}>
                        {({id, field}) => (
                          <input
                            {...field}
                            id={id}
                            placeholder={`请输入身份证号`}
                            className={`border rounded p-2 w-full`}
                          />
                        )}
                      </FormField>
                      <DialogFooter>
                        <Button type={`submit`} className={`w-full mt-4`}>提交</Button>
                      </DialogFooter>
                    </Form>
                  )}
                  {step === 'scan' && (
                    <div className={`flex flex-col gap-4 items-center`}>
                      <canvas ref={canvas} width={256} height={256}/>
                      <p className={`text-sm text-gray-600`}>请扫码完成认证</p>
                      <Button onClick={async () => {
                        await ctx.refreshProfile()
                        setOpenDialog(false)
                      }}>
                        已完成认证
                      </Button>
                    </div>
                  )}
                </DialogContent>
              </Dialog>
            )}
          </section>
        </div>
      </div>

      <section className={`flex-1/4 flex flex-col bg-white rounded-lg`}>
        <h3>操作引导</h3>
        <p>为响应国家相关规定，使用HTTP代理需完成实名认证。认证服务由支付宝提供，您的个人信息将受到严格保护，仅用于账户安全认证</p>
      </section>
    </Page>
  )
}