<template>
  <div class="auth-bg">
    <div class="auth-container">
      <!-- 返回按钮 -->
      <div class="back-button" @click="goBack">
        <img src="/zuo.svg" alt="goBack" class="input-icon-svg" />
      </div>

      <!-- 头部Logo与标题 -->
      <div class="auth-header">
        <div class="logo">
          <img src="/newLogo.png" alt="Logo" class="logo-img" />
        </div>
        <h1 class="auth-title">{{ $t("forgotPasswordV2.title") }}</h1>
      </div>

      <!-- 忘记密码表单 -->
      <el-form
        :model="form"
        :rules="rules"
        ref="forgotFormRef"
        class="forgot-form"
        label-position="top"
      >
        <el-form-item prop="phoneNumber" label="手机号">
          <el-input
            v-model="form.phoneNumber"
            placeholder="请输入手机号"
            clearable
            maxlength="11"
          >
            <template #prefix>
              <img src="/shoujihao.svg" alt="phone" class="input-icon-svg" />
            </template>
          </el-input>
        </el-form-item>

        <el-form-item prop="smsCode" label="验证码">
          <el-input
            v-model="form.smsCode"
            placeholder="请输入验证码"
            clearable
            maxlength="6"
          >
            <template #prefix>
              <img src="/anquan.svg" alt="smsCode" class="input-icon-svg" />
            </template>
            <template #suffix>
              <el-button
                :disabled="countdown > 0"
                @click.stop.prevent="sendSmsCode"
                type="text"
                class="sms-btn"
              >
                {{ countdown > 0 ? `${countdown}秒后重试` : "发送验证码" }}
              </el-button>
            </template>
          </el-input>
        </el-form-item>

        <el-form-item prop="newPassword" label="新密码">
          <el-input
            v-model="form.newPassword"
            placeholder="请输入新密码（至少8位）"
            type="password"
            show-password
            clearable
          >
            <template #prefix>
              <img src="/mima.svg" alt="password" class="input-icon-svg" />
            </template>
          </el-input>
        </el-form-item>

        <el-form-item>
          <el-button
            type="primary"
            class="submit-btn"
            @click.prevent.stop="onSubmit"
            :loading="loading"
            round
            native-type="button"
          >
            重置密码
          </el-button>
        </el-form-item>
      </el-form>

      <!-- 步骤说明 -->
      <div class="steps-info">
        <h4>重置密码步骤</h4>
        <ol>
          <li>输入注册的手机号</li>
          <li>点击发送验证码，查收短信</li>
          <li>输入验证码和新密码，完成重置</li>
        </ol>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, reactive, computed, onMounted } from "vue";
import { useRouter, useRoute } from "vue-router";
import { ElMessage, type FormInstance, type FormRules } from "element-plus";
import { apiSendForgotPasswordSms, apiResetPasswordBySms } from "@/api/user";

const router = useRouter();
const route = useRoute();
const emit = defineEmits(["switch-to-login"]);

const forgotFormRef = ref<FormInstance>();
const loading = ref(false);
const countdown = ref(0);
let timer: NodeJS.Timeout | null = null;

const form = reactive({
  phoneNumber: "",
  smsCode: "",
  newPassword: "",
});

// 从路由 query 参数中获取手机号并回显
onMounted(() => {
  const phoneNumberFromQuery = route.query.phoneNumber as string;
  if (phoneNumberFromQuery) {
    form.phoneNumber = phoneNumberFromQuery;
  }
});

const rules = computed<FormRules>(() => ({
  phoneNumber: [
    {
      required: true,
      message: "请输入手机号",
      trigger: "blur",
    },
    {
      validator: (_rule: any, value: string, callback: any) => {
        const phoneRegex = /^1[3-9]\d{9}$/;
        if (value && !phoneRegex.test(value)) {
          callback(new Error("手机号格式不正确"));
        } else {
          callback();
        }
      },
      trigger: "blur",
    },
  ],
  smsCode: [
    {
      required: true,
      message: "请输入验证码",
      trigger: "blur",
    },
    {
      len: 6,
      message: "验证码为6位数字",
      trigger: "blur",
    },
  ],
  newPassword: [
    {
      required: true,
      message: "请输入新密码",
      trigger: "blur",
    },
    {
      min: 8,
      message: "密码长度至少8位",
      trigger: "blur",
    },
  ],
}));

// 发送验证码
const sendSmsCode = async () => {
  if (!form.phoneNumber) {
    ElMessage.warning("请先输入手机号");
    return;
  }
  const phoneRegex = /^1[3-9]\d{9}$/;
  if (!phoneRegex.test(form.phoneNumber)) {
    ElMessage.warning("手机号格式不正确");
    return;
  }

  try {
    await apiSendForgotPasswordSms(form.phoneNumber);
    ElMessage.success("验证码已发送，请查收短信");

    // 清除验证码字段的验证状态
    if (forgotFormRef.value) {
      forgotFormRef.value.clearValidate("smsCode");
    }

    // 开始倒计时
    countdown.value = 60;
    timer = setInterval(() => {
      countdown.value--;
      if (countdown.value <= 0) {
        if (timer) clearInterval(timer);
      }
    }, 1000);
  } catch (error: any) {
    ElMessage.error(error?.response?.data?.message || "发送验证码失败");
  }
};

const onSubmit = async () => {
  try {
    if (!forgotFormRef.value) return;
    const valid = await forgotFormRef.value.validate();
    if (!valid) return;

    loading.value = true;

    const result: any = await apiResetPasswordBySms({
      phoneNumber: form.phoneNumber,
      smsCode: form.smsCode,
      newPassword: form.newPassword,
    });
    console.log("result------------", result);

    ElMessage.success("密码重置成功，请使用新密码登录");
    // 成功后返回登录页
    setTimeout(() => {
      emit("switch-to-login");
      if (router.currentRoute.value.path !== "/auth") {
        router.push("/auth");
      }
    }, 1200);
  } catch (e: any) {
    console.error("重置密码错误:", e);
    ElMessage.error(e?.response?.data?.message || "重置密码失败，请重试");
  } finally {
    loading.value = false;
  }
};

const goBack = () => {
  emit("switch-to-login");
  if (router.currentRoute.value.path !== "/auth") {
    router.push("/auth");
  }
};

// 清理定时器
const cleanup = () => {
  if (timer) clearInterval(timer);
};

// 组件卸载时清理
import { onUnmounted } from "vue";
onUnmounted(cleanup);
</script>

<style scoped lang="scss">
.auth-bg {
  min-height: 100vh;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.auth-container {
  background: var(--color-bg);
  border-radius: 20px;
  padding: 40px 32px 32px 32px;
  max-width: 400px;
  width: 90vw;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.08),
    0 4px 16px rgba(0, 0, 0, 0.04);
  position: relative;
  z-index: 1;
}

.back-button {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);

  &:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
  }

  .input-icon-svg {
    width: 16px;
    height: 16px;
    opacity: 0.8;
  }
}

.auth-header {
  text-align: center;
  margin-bottom: 24px;
}

.logo {
  width: auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 6px;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.logo-img {
  width: auto;
  height: 100%;
  object-fit: contain;
  border-radius: 0;
}

.auth-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1e6fff;
  line-height: 1.3;
}

.forgot-form {
  margin-bottom: 24px;

  :deep(.el-form-item__label) {
    color: #606266;
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 8px;
    padding: 0;
    line-height: 1.5;

    &::before {
      color: #f56c6c;
    }
  }

  :deep(.el-input__prefix) {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;

    .input-icon-svg {
      margin-left: 10px;
      margin-right: 6px;
      display: block;
    }
  }

  :deep(.el-input.is-focus .el-input__prefix .input-icon-svg) {
    opacity: 1;
  }

  :deep(.el-input__inner) {
    height: 42px;
    font-size: 16px;
    border-radius: 12px;
    background: #ffffff !important;
    color: #606266 !important;
    transition: all 0.3s ease;

    &::placeholder {
      color: #c0c4cc;
      font-size: 16px;
    }
  }
}

.submit-btn {
  width: 100%;
  height: 44px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 12px;
  background: linear-gradient(135deg, #3399ff 0%, #00c9ff 100%);
  border: none;
  box-shadow: 0 2px 8px rgba(51, 153, 255, 0.3);

  &:hover {
    box-shadow: 0 4px 12px rgba(51, 153, 255, 0.4);
  }

  &:active {
    box-shadow: 0 1px 4px rgba(51, 153, 255, 0.3);
  }
}

.steps-info {
  background: rgba(30, 111, 255, 0.05);
  border-radius: 12px;
  padding: 16px;
  font-size: 14px;
  border: 1px solid rgba(30, 111, 255, 0.1);

  h4 {
    color: #1e6fff;
    margin: 0 0 12px 0;
    font-size: 16px;
    font-weight: 600;
  }

  ol {
    margin: 0;
    padding-left: 20px;
    color: #606266;

    li {
      margin-bottom: 8px;
      line-height: 1.5;

      &:last-child {
        margin-bottom: 0;
      }
    }
  }
}

.input-icon-svg {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity 0.3s ease;
  vertical-align: middle;
}

// 验证码按钮
.sms-btn {
  font-size: 13px;
  color: #1e6fff;
  padding: 0 8px;
  white-space: nowrap;

  &:disabled {
    color: #c0c4cc;
  }
}
</style>