<template>
  <view class="normal-login-container">
    <view class="logo-content align-center justify-center flex">
      <image style="width: 100rpx;height: 100rpx;" :src="globalConfig.appInfo.logo" mode="widthFix">
      </image>
      <text class="title">哎呀电子注册</text>
    </view>
    
    <view class="login-form-content">
      <view class="input-item flex align-center">
        <view class="iconfont icon-user icon"></view>
        <input v-model="registerForm.username" class="input" type="text" placeholder="请输入账号" maxlength="30" />
      </view>
      <view class="input-item flex align-center">
        <view class="iconfont icon-password icon"></view>
        <input v-model="registerForm.password" type="password" class="input" placeholder="请输入密码" maxlength="20" />
      </view>
      <view class="input-item flex align-center">
        <view class="iconfont icon-password icon"></view>
        <input v-model="registerForm.confirmPassword" type="password" class="input" placeholder="请再次输入密码" maxlength="20" />
      </view>
      <view class="input-item flex align-center" style="width: 60%;margin: 0px;" v-if="captchaEnabled">
        <view class="iconfont icon-code icon"></view>
        <input v-model="registerForm.code" type="number" class="input" placeholder="请输入验证码" maxlength="4" />
        <view class="login-code"> 
          <image :src="codeUrl" @click="getCode" class="login-code-img"></image>
        </view>
      </view>
      
      <!-- 用户协议 - 优化后的样式 -->
      <view class="agreement-section">
        <view class="agreement-item" @click="toggleAgreement">
          <view class="checkbox-wrapper">
            <view class="custom-checkbox" :class="{ checked: agreementChecked }">
              <text class="checkmark" v-if="agreementChecked">✓</text>
            </view>
          </view>
          <view class="agreement-text">
            <text>我已阅读并同意</text>
            <text class="agreement-link" @click.stop="handleUserAgrement">《用户协议》</text>
            <text>和</text>
            <text class="agreement-link" @click.stop="handlePrivacy">《隐私协议》</text>
          </view>
        </view>
      </view>
      
      <view class="action-btn">
        <button @click="handleRegister()" class="register-btn cu-btn block bg-blue lg round" :class="{ disabled: !agreementChecked }" :disabled="!agreementChecked">注册</button>
      </view>
    </view>
    
    <view class="login-link text-center">
      <text @click="handleUserLogin" class="text-blue">使用已有账号登录</text>
    </view>
  </view>
</template>

<script>
  import { getCodeImg, register } from '@/api/login'

  export default {
    data() {
      return {
        codeUrl: "",
        captchaEnabled: true,
        agreementChecked: false,
        globalConfig: getApp().globalData.config,
        registerForm: {
          username: "",
          password: "",
          confirmPassword: "",
          code: "",
          uuid: ''
        }
      }
    },
    created() {
      this.getCode()
    },
    methods: {
      // 用户登录
      handleUserLogin() {
        this.$tab.navigateTo(`/pages/login/index`)
      },
      
      // 协议相关
      handlePrivacy() {
        let site = this.globalConfig.appInfo.agreements[0]
        this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
      },
      handleUserAgrement() {
        let site = this.globalConfig.appInfo.agreements[1]
        this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
      },
      toggleAgreement() {
        this.agreementChecked = !this.agreementChecked
      },
      
      // 获取图形验证码
      getCode() {
        getCodeImg().then(res => {
          this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled
          if (this.captchaEnabled) {
            this.codeUrl = 'data:image/gif;base64,' + res.img
            this.registerForm.uuid = res.uuid
          }
        })
      },
      
      // 注册方法
      async handleRegister() {
        if (!this.agreementChecked) {
          this.$modal.msgError("请先同意用户协议和隐私协议")
          return
        }
        
        if (this.registerForm.username === "") {
          this.$modal.msgError("请输入您的账号")
        } else if (this.registerForm.password === "") {
          this.$modal.msgError("请输入您的密码")
        } else if (this.registerForm.confirmPassword === "") {
          this.$modal.msgError("请再次输入您的密码")
        } else if (this.registerForm.password !== this.registerForm.confirmPassword) {
          this.$modal.msgError("两次输入的密码不一致")
        } else if (this.registerForm.code === "" && this.captchaEnabled) {
          this.$modal.msgError("请输入验证码")
        } else {
          this.$modal.loading("注册中，请耐心等待...")
          this.register()
        }
      },
      
      // 用户注册
      async register() {
        register(this.registerForm).then(res => {
          this.$modal.closeLoading()
          uni.showModal({
            title: "系统提示",
            content: "恭喜你，您的账号 " + this.registerForm.username + " 注册成功！",
            success: (res) => {
              if (res.confirm) {
                uni.redirectTo({ url: `/pages/login/index` });
              }
            }
          })
        }).catch(() => {
          if (this.captchaEnabled) {
            this.getCode()
          }
        })
      }
    }
  }
</script>

<style lang="scss">
  page {
    background-color: #ffffff;
  }

  .normal-login-container {
    width: 100%;

    .logo-content {
      width: 100%;
      font-size: 21px;
      text-align: center;
      padding-top: 15%;
      flex-direction: column;

      image {
        border-radius: 4px;
      }

      .title {
        margin: 10px 0;
        font-size: 24px;
        color: #e94f87;
      }
    }

    .login-form-content {
      text-align: center;
      margin: 20px auto;
      margin-top: 10%;
      width: 80%;

      .input-item {
        margin: 20px auto;
        background-color: #f5f6f7;
        height: 45px;
        border-radius: 20px;

        .icon {
          font-size: 38rpx;
          margin-left: 10px;
          color: #999;
        }

        .input {
          width: 100%;
          font-size: 14px;
          line-height: 20px;
          text-align: left;
          padding-left: 15px;
        }
      }
      
      /* 优化后的协议区域样式 */
      .agreement-section {
        margin: 25px 0;
        padding: 0 10px;
      }
      
      .agreement-item {
        display: flex;
        align-items: flex-start;
        justify-content: flex-start;
        text-align: left;
        font-size: 14px;
        color: #666;
        line-height: 1.5;
      }
      
      .checkbox-wrapper {
        margin-right: 10px;
        margin-top: 2px;
        flex-shrink: 0;
      }
      
      .custom-checkbox {
        width: 20px;
        height: 20px;
        border: 2px solid #ddd;
        border-radius: 4px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
        background-color: #fff;
      }
      
      .custom-checkbox.checked {
        border-color: #e94f87;
        background-color: #e94f87;
      }
      
      .checkmark {
        color: #fff;
        font-size: 14px;
        font-weight: bold;
      }
      
      .agreement-text {
        flex: 1;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
      }
      
      .agreement-link {
        color: #e94f87;
        margin: 0 3px;
        text-decoration: underline;
      }
      
      .agreement-link:active {
        opacity: 0.7;
      }

      .register-btn {
        margin-top: 20px;
        height: 45px;
        background: #e94f87 !important;
        color: #fff;
        border-radius: 25px;
        font-size: 16px;
      }
      
      .register-btn.disabled {
        background: #ccc !important;
        color: #999;
      }

      .login-code {
        height: 38px;
        float: right;
      
        .login-code-img {
          height: 38px;
          position: absolute;
          margin-left: 10px;
          width: 200rpx;
        }
      }
    }
    
    .login-link {
      margin-top: 30px;
      
      .text-blue {
        color: #e94f87;
      }
    }
  }
</style>
