<template>
  <div class="login">
    <el-form
      ref="loginRef"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <h3 class="title"></h3>
      <el-tabs v-model="loginMethod" class="login-method-tabs">
        <el-tab-pane label="密码登录" name="password"></el-tab-pane>
        <el-tab-pane label="验证码登录" name="captcha"></el-tab-pane>
      </el-tabs>
      <Transition mode="out-in" name="slide">
        <div v-if="loginMethod === 'password'" class="input-container password">
          <el-form-item prop="username">
            <el-input
              v-model="loginForm.username"
              auto-complete="off"
              placeholder="请输入用户名"
              size="large"
              type="text"
            >
              <template #prefix>
                <svg-icon class="el-input__icon input-icon" icon-class="user" />
              </template>
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              auto-complete="off"
              placeholder="请输入密码"
              size="large"
              type="password"
              @keyup.enter="handleLogin"
            >
              <template #prefix>
                <svg-icon
                  class="el-input__icon input-icon"
                  icon-class="password"
                />
              </template>
            </el-input>
          </el-form-item>
          <el-form-item v-if="captchaEnabled" prop="code">
            <el-input
              v-model="loginForm.code"
              auto-complete="off"
              placeholder="请输入验证码"
              size="large"
              style="width: 63%"
              @keyup.enter="handleLogin"
            >
              <template #prefix>
                <svg-icon
                  class="el-input__icon input-icon"
                  icon-class="validCode"
                />
              </template>
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" class="login-code-img" @click="getCode" />
            </div>
          </el-form-item>
          <el-checkbox
            v-model="loginForm.rememberMe"
            style="margin: 0px 0px 25px 0px"
            >记住密码
          </el-checkbox>
        </div>
        <div
          v-else-if="loginMethod === 'captcha'"
          class="input-container captcha"
        >
          <el-form-item prop="phone">
            <el-input
              v-model="loginForm.phone"
              auto-complete="off"
              placeholder="请输入手机号"
              size="large"
              type="text"
            >
              <template #prefix>
                <svg-icon class="el-input__icon input-icon" icon-class="user" />
              </template>
            </el-input>
          </el-form-item>
          <el-form-item v-if="captchaEnabled" prop="code">
            <el-input
              v-model="loginForm.code"
              auto-complete="off"
              placeholder="请输入图形验证码"
              size="large"
              style="width: 63%"
            >
              <!--                @keyup.enter="handleLogin"-->
              <template #prefix>
                <svg-icon
                  class="el-input__icon input-icon"
                  icon-class="validCode"
                />
              </template>
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" class="login-code-img" @click="getCode" />
            </div>
          </el-form-item>
          <el-form-item prop="smsCode">
            <el-input
              v-model="loginForm.smsCode"
              auto-complete="off"
              class="sms-code-input"
              placeholder="请输入短信验证码"
              size="large"
              @keyup.enter="handleLogin"
            >
              <template #prefix>
                <svg-icon
                  class="el-input__icon input-icon"
                  icon-class="email"
                />
              </template>
              <template #append>
                <el-button
                  :disabled="getSMSCodeCountDown > 0"
                  link
                  type="info"
                  @click="getSMSCode"
                >
                  {{
                    getSMSCodeCountDown > 0
                      ? `${getSMSCodeCountDown}秒后重新获取`
                      : "获取短信验证码"
                  }}
                </el-button>
              </template>
            </el-input>
          </el-form-item>
        </div>
      </Transition>
      <!--      <Transition mode="out-in" name="slide-right">-->
      <!--      </Transition>-->

      <el-form-item style="width: 100%">
        <el-button
          :loading="loading"
          size="large"
          style="width: 100%"
          type="primary"
          @click.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <el-row style="width: 100%">
          <el-col :span="12">
            <div v-if="register" style="text-align: left">
              没有账号？
              <router-link :to="'/register'" class="link-type"
                >立即注册
              </router-link>
            </div>
          </el-col>
          <el-col :span="12">
            <div style="text-align: right">
              <router-link class="link-type" to="/iforgot"
                >忘记密码
              </router-link>
            </div>
          </el-col>
        </el-row>
      </el-form-item>
      <el-divider content-position="center">第三方登录</el-divider>
      <div class="third-party-login">
        <router-link to="/sign_in_with">
          <div class="iconfont icon-weixin" style="color: #2ed900"></div>
        </router-link>
        <!--        <div class="iconfont icon-QQ" style="color: #0086ff"></div>-->
      </div>
    </el-form>
    <!--  底部  -->
    <div v-show="false" class="el-login-footer">
      <span>Copyright © 2018-2023 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script setup>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { decrypt, encrypt } from "@/utils/jsencrypt";
import useUserStore from "@/store/modules/user";

const userStore = useUserStore();
const router = useRouter();
const { proxy } = getCurrentInstance();

const loginForm = ref({
  username: "admin",
  password: "admin123",
  rememberMe: false,
  code: "",
  uuid: "",
});

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }],
  phone: [{ required: true, trigger: "blur", message: "请输入手机号码" }],
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

const loginMethod = ref("password");

const getSMSCode = async () => {
  const phoneValid = await proxy.$refs.loginRef.validateField("phone");
  const imgCaptchaValid = await proxy.$refs.loginRef.validateField("code");
  // if(phoneValid &&)
  setSMSCodeCountDown();
};

const getSMSCodeCountDown = ref(0);

function setSMSCodeCountDown() {
  getSMSCodeCountDown.value = 60;
  let timerId = setInterval(() => {
    --getSMSCodeCountDown.value;
    if (getSMSCodeCountDown.value <= 0) {
      clearInterval(timerId);
      timerId = null;
    }
  }, 1000);
}

function handleLogin() {
  proxy.$refs.loginRef.validate((valid) => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        Cookies.set("password", encrypt(loginForm.value.password), {
          expires: 30,
        });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      // 调用action的登录方法
      userStore
        .login(loginForm.value)
        .then(() => {
          router.push({ path: redirect.value || "/" });
        })
        .catch(() => {
          loading.value = false;
          // 重新获取验证码
          if (captchaEnabled.value) {
            getCode();
          }
        });
    }
  });
}

function getCode() {
  getCodeImg().then((res) => {
    captchaEnabled.value =
      res.captchaEnabled === undefined ? true : res.captchaEnabled;
    register.value = res.register;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password:
      password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
  };
}

getCode();
getCookie();
</script>

<style lang="scss" scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}

.title {
  margin: 0 auto 0 auto;
  text-align: center;
  height: 32px;
  color: #707070;
  background-image: url("../assets/images/title.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.login-form {
  overflow: hidden;
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  transition: all 1s linear;
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);
  //position: relative;

  .input-container {
    //width: 200%;
  }

  .login-method-tabs {
    :deep(.el-tabs__nav-wrap) {
      .el-tabs__nav-scroll {
        display: flex;
        justify-content: center;
      }

      &::after {
        display: none;
      }
    }
  }

  .sms-code-input {
    :deep(.el-input-group__append) {
      width: 40%;
    }
  }

  .el-input {
    height: 40px;

    input {
      height: 40px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }

  .el-divider--horizontal {
    margin: 16px 0;
  }

  .third-party-login {
    //width: 20%;
    padding: 0 40% 0;
    display: flex;
    justify-content: center;

    .iconfont {
      font-size: 24px;
      cursor: pointer;
    }
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 40px;
  padding-left: 12px;
}

.slide-enter-active {
  transition: all 0.3s ease-out;
}

.slide-leave-active {
  transition: all 0.3s cubic-bezier(1, 0.5, 0.8, 1);
}

.slide-enter-from.password,
.slide-leave-to.password {
  transform: translateX(-100%);
  opacity: 0;
}

.slide-enter-from.captcha,
.slide-leave-to.captcha {
  transform: translateX(100%);
  opacity: 0;
}

//.slide-right-enter-active {
//  transition: all 0.3s ease-out;
//}
//
//.slide-right-leave-active {
//  transition: all 0.3s cubic-bezier(1, 0.5, 0.8, 1);
//}
//
//.slide-right-enter-from,
//.slide-right-leave-to {
//  transform: translateX(100%);
//  opacity: 0;
//}

//.slide-right-enter-to,
//.slide-right-leave-from {
//  position: absolute;
//  right: 0;
//  //transform: translateX(100%);
//  opacity: 0;
//}
//.slide-enter-to,
//.slide-leave-from {
//  position: absolute;
//  left: 0;
//  transform: translateX(0%);
//  opacity: 0;
//}
</style>
