<script lang="ts">
import { computed, defineComponent, onMounted, reactive, ref, toRefs, onUnmounted } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { ElMessage, FormRules } from 'element-plus'
import { useI18n } from 'vue-i18n'
import Cookies from 'js-cookie'
import { storeToRefs } from 'pinia'
import { useThemeConfig } from '/@/stores/themeConfig'
import { initFrontEndControlRoutes } from '/@/router/frontEnd'
import { initBackEndControlRoutes } from '/@/router/backEnd'
import { Session } from '/@/utils/storage'
import { formatAxis } from '/@/utils/formatTime'
import { NextLoading } from '/@/utils/loading'
import * as loginApi from '/@/views/system/login/api'
import { useUserInfo } from '/@/stores/userInfo'
import { DictionaryStore } from '/@/stores/dictionary'
import { SystemConfigStore } from '/@/stores/systemConfig'
import { Md5 } from 'ts-md5'
import { errorMessage } from '/@/utils/message'
import emitter from '/@/utils/emitter'

export default defineComponent({
  name: 'loginAccount',
  setup() {
    const { t } = useI18n()
    const storesThemeConfig = useThemeConfig()
    const { themeConfig } = storeToRefs(storesThemeConfig)
    const { userInfos } = storeToRefs(useUserInfo())
    const route = useRoute()
    const router = useRouter()
    const state = reactive({
      isShowPassword: false,
      ruleForm: {
        username: '',
        password: '',
        captcha: '',
        captchaKey: '',
        captchaImgBase: '',
      },
      loading: {
        signIn: false,
      },
    })
    const rules = reactive<FormRules>({
      username: [{ required: true, message: '请填写账号', trigger: 'blur' }],
      password: [
        {
          required: true,
          message: '请填写密码',
          trigger: 'blur',
        },
      ],
      captcha: [
        {
          required: true,
          message: '请填写验证码',
          trigger: 'blur',
        },
      ],
    })
    const formRef = ref()
    // 时间获取
    const currentTime = computed(() => {
      return formatAxis(new Date())
    })
    // 是否关闭验证码
    const isShowCaptcha = computed(() => {
      return SystemConfigStore().systemConfig['base.captcha_state']
    })

    const getCaptcha = async () => {
      loginApi.getCaptcha().then((ret: any) => {
        state.ruleForm.captchaImgBase = ret.data.image_base
        state.ruleForm.captchaKey = ret.data.key
      })
    }
    const refreshCaptcha = async () => {
      loginApi.getCaptcha().then((ret: any) => {
        state.ruleForm.captchaImgBase = ret.data.image_base
        state.ruleForm.captchaKey = ret.data.key
      })
    }
    const loginClick = async () => {
      if (!formRef.value) return
      await formRef.value.validate((valid: any) => {
        if (valid) {
          state.loading.signIn = true
          loginApi.login({ ...state.ruleForm, password: Md5.hashStr(state.ruleForm.password) }).then((res: any) => {
            if (res.code === 2000) {
              Session.set('token', res.data.access)
              Cookies.set('username', res.data.name)
              if (!themeConfig.value.isRequestRoutes) {
                // 前端控制路由，2、请注意执行顺序
                initFrontEndControlRoutes()
                loginSuccess()
                state.loading.signIn = false
              } else {
                // 模拟后端控制路由，isRequestRoutes 为 true，则开启后端控制路由
                // 添加完动态路由，再进行 router 跳转，否则可能报错 No match found for location with path "/"
                initBackEndControlRoutes()
                // 执行完 initBackEndControlRoutes，再执行 signInSuccess
                loginSuccess()
                state.loading.signIn = false
              }
            } else if (res.code === 4000) {
              // 登录错误之后，刷新验证码
              refreshCaptcha()
              state.loading.signIn = false
            }
          })
        } else {
          errorMessage('请填写登录信息')
        }
      })
    }
    const getUserInfo = () => {
      useUserInfo().setUserInfos()
    }

    emitter.on('scan-wecomLogin', (userInfo: any) => {
      if (userInfo.loginInfo.code == 2000) {
        Session.set('token', userInfo.loginInfo.data.access)
        Cookies.set('username', userInfo.loginInfo.data.name)
        if (!themeConfig.value.isRequestRoutes) {
          // 前端控制路由，2、请注意执行顺序
          // console.log('成功获取token，开始初始化前端路由')
          initFrontEndControlRoutes()
          loginSuccess()
        } else {
          initBackEndControlRoutes()
          loginSuccess()
        }
        emitter.off('scan-wecomLogin')
      }
    })

    // 登录成功后的跳转
    const loginSuccess = () => {
      //登录成功获取用户信息,获取系统字典数据
      getUserInfo()
      //获取所有字典
      DictionaryStore().getSystemDictionarys()

      // 初始化登录成功时间问候语
      let currentTimeInfo = currentTime.value
      // 登录成功，跳到转首页
      // 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
      if (route.query?.redirect) {
        router.push({
          path: <string>route.query?.redirect,
          query: Object.keys(<string>route.query?.params).length > 0 ? JSON.parse(<string>route.query?.params) : '',
        })
      } else {
        router.push('/')
      }
      // 登录成功提示
      // 关闭 loading
      state.loading.signIn = true
      const signInText = t('message.signInText')
      ElMessage.success(`${currentTimeInfo}，${signInText}`)
      // 添加 loading，防止第一次进入界面时出现短暂空白
      NextLoading.start()
    }

    onMounted(() => {
      getCaptcha()
      //获取系统配置
      SystemConfigStore().getSystemConfigs()
    })

    // onUnmounted(() => {
    //   console.log('卸载了')
    // })

    return {
      refreshCaptcha,
      loginClick,
      loginSuccess,
      isShowCaptcha,
      state,
      formRef,
      rules,
      ...toRefs(state),
    }
  },
})
</script>

<template>
  <el-form ref="formRef" size="large" class="login-content-form" :model="state.ruleForm" :rules="rules">
    <el-form-item class="login-animation1" prop="username">
      <el-input
        @keydown.enter="loginClick"
        type="text"
        :placeholder="$t('message.account.accountPlaceholder1')"
        v-model="ruleForm.username"
        clearable
        autocomplete="off">
        <template #prefix>
          <el-icon class="el-input__icon">
            <ele-User />
          </el-icon>
        </template>
      </el-input>
    </el-form-item>
    <el-form-item class="login-animation2" prop="password">
      <el-input
        @keydown.enter="loginClick"
        :type="isShowPassword ? 'text' : 'password'"
        :placeholder="$t('message.account.accountPlaceholder2')"
        v-model="ruleForm.password">
        <template #prefix>
          <el-icon class="el-input__icon">
            <ele-Unlock />
          </el-icon>
        </template>
        <template #suffix>
          <i
            class="iconfont el-input__icon login-content-password"
            :class="isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
            @click="isShowPassword = !isShowPassword">
          </i>
        </template>
      </el-input>
    </el-form-item>
    <el-form-item class="login-animation3" v-if="isShowCaptcha" prop="captcha">
      <el-col :span="15">
        <el-input
          type="text"
          maxlength="4"
          :placeholder="$t('message.account.accountPlaceholder3')"
          v-model="ruleForm.captcha"
          clearable
          autocomplete="off">
          <template #prefix>
            <el-icon class="el-input__icon">
              <ele-Position />
            </el-icon>
          </template>
        </el-input>
      </el-col>
      <el-col :span="1"></el-col>
      <el-col :span="8">
        <el-button class="login-content-captcha">
          <el-image :src="ruleForm.captchaImgBase" @click="refreshCaptcha" />
        </el-button>
      </el-col>
    </el-form-item>
    <el-form-item class="login-animation4">
      <el-button
        type="primary"
        class="login-content-submit"
        round
        @keydown.enter="loginClick"
        @click="loginClick"
        :loading="loading.signIn">
        <span class="font-medium">{{ $t('message.account.accountBtnText') }}</span>
      </el-button>
      <!--<el-button type="primary" class="login-content-submit" round @click="qrLoginClick"> 企业微信扫码登录</el-button>-->
    </el-form-item>
  </el-form>
</template>

<style scoped lang="scss">
.login-content-form {
  margin-top: 20px;

  @for $i from 1 through 4 {
    .login-animation#{$i} {
      opacity: 0;
      animation-name: error-num;
      animation-duration: 0.5s;
      animation-fill-mode: forwards;
      animation-delay: calc($i/10) + s;
    }
  }

  .login-content-password {
    display: inline-block;
    width: 20px;
    cursor: pointer;

    &:hover {
      color: #909399;
    }
  }

  .login-content-captcha {
    width: 100%;
    padding: 0;
    font-weight: bold;
    letter-spacing: 5px;
  }

  .login-content-submit {
    width: 100%;
    letter-spacing: 2px;
    font-weight: 300;
    margin-top: 15px;
  }
}
</style>
