<template>
  <div class="join-page">
    <div class="page-header">
      <h1 class="page-title">个人会员申请</h1>
      <p class="page-desc">加入我们，共同推动决策咨询事业发展</p>
    </div>

    <div class="join-content">
      <a-steps :current="currentStep" class="steps-wrap">
        <a-step title="填写信息" />
        <a-step title="上传资料" />
        <a-step title="提交审核" />
      </a-steps>

      <a-form :model="formData" class="join-form" layout="vertical">
        <!-- 步骤1：填写信息 -->
        <div v-show="currentStep === 0">
          <h3 class="section-title">个人信息</h3>
          <a-row :gutter="24">
            <a-col :span="12">
              <a-form-item label="姓名" name="name" required>
                <a-input v-model:value="formData.name" placeholder="请输入您的姓名" />
              </a-form-item>
            </a-col>
            <a-col :span="12">
              <a-form-item label="性别" name="gender">
                <a-select v-model:value="formData.gender" placeholder="请选择">
                  <a-select-option value="male">男</a-select-option>
                  <a-select-option value="female">女</a-select-option>
                </a-select>
              </a-form-item>
            </a-col>
          </a-row>

          <a-row :gutter="24">
            <a-col :span="12">
              <a-form-item label="出生年月" name="birthday">
                <a-date-picker v-model:value="formData.birthday" style="width: 100%" />
              </a-form-item>
            </a-col>
            <a-col :span="12">
              <a-form-item label="学历" name="education">
                <a-select v-model:value="formData.education" placeholder="请选择">
                  <a-select-option value="bachelor">本科</a-select-option>
                  <a-select-option value="master">硕士</a-select-option>
                  <a-select-option value="doctor">博士</a-select-option>
                </a-select>
              </a-form-item>
            </a-col>
          </a-row>

          <a-row :gutter="24">
            <a-col :span="12">
              <a-form-item label="职称/职务" name="title">
                <a-input v-model:value="formData.title" placeholder="如：教授、研究员" />
              </a-form-item>
            </a-col>
            <a-col :span="12">
              <a-form-item label="工作单位" name="organization">
                <a-input v-model:value="formData.organization" placeholder="请输入工作单位" />
              </a-form-item>
            </a-col>
          </a-row>

          <a-row :gutter="24">
            <a-col :span="12">
              <a-form-item label="联系电话" name="phone" required>
                <a-input v-model:value="formData.phone" placeholder="请输入联系电话" />
              </a-form-item>
            </a-col>
            <a-col :span="12">
              <a-form-item label="邮箱" name="email">
                <a-input v-model:value="formData.email" placeholder="请输入邮箱" />
              </a-form-item>
            </a-col>
          </a-row>

          <a-form-item label="研究方向/专业领域" name="researchArea">
            <a-input v-model:value="formData.researchArea" placeholder="请输入研究方向" />
          </a-form-item>

          <a-form-item label="个人简介" name="bio">
            <a-textarea v-model:value="formData.bio" :rows="4" placeholder="请简要介绍您的学术背景和工作经历" />
          </a-form-item>
        </div>

        <!-- 步骤2：上传资料 -->
        <div v-show="currentStep === 1">
          <h3 class="section-title">资质证明材料</h3>
          <p class="section-desc">请上传相关证明材料，以便我们审核您的入会资格</p>

          <a-form-item label="身份证">
            <a-upload :before-upload="beforeUpload" :custom-request="handleUpload('idCard')">
              <a-button><UploadOutlined /> 上传身份证</a-button>
            </a-upload>
          </a-form-item>

          <a-form-item label="学历/学位证明">
            <a-upload :before-upload="beforeUpload" :custom-request="handleUpload('diploma')">
              <a-button><UploadOutlined /> 上传学历证明</a-button>
            </a-upload>
          </a-form-item>

          <a-form-item label="职称证明">
            <a-upload :before-upload="beforeUpload" :custom-request="handleUpload('certificate')">
              <a-button><UploadOutlined /> 上传职称证明</a-button>
            </a-upload>
          </a-form-item>

          <a-form-item label="研究成果或获奖证明（可选）">
            <a-upload :before-upload="beforeUpload" :custom-request="handleUpload('achievements')" multiple>
              <a-button><UploadOutlined /> 上传材料</a-button>
            </a-upload>
            <div class="upload-hint">可上传多份材料，支持 JPG、PNG、PDF 格式</div>
          </a-form-item>
        </div>

        <!-- 步骤3：确认提交 -->
        <div v-show="currentStep === 2" class="confirm-section">
          <a-result
            sub-title="请确认您填写的信息和上传的材料准确无误"
            title="确认提交申请"
          >
            <template #icon>
              <CheckCircleOutlined style="font-size: 80px; color: #52c41a" />
            </template>
            <template #extra>
              <a-button :loading="submitting" size="large" type="primary" @click="handleSubmit">
                确认提交
              </a-button>
            </template>
          </a-result>
        </div>

        <!-- 步骤按钮 -->
        <div class="step-actions">
          <a-button v-if="currentStep > 0" @click="currentStep--">上一步</a-button>
          <a-button v-if="currentStep < 2" type="primary" @click="handleNext">下一步</a-button>
        </div>
      </a-form>
    </div>
  </div>
</template>

<script lang="ts" setup>
import { message } from 'ant-design-vue'
import { CheckCircleOutlined, UploadOutlined } from '@ant-design/icons-vue'

useHead({ title: '个人会员申请 - 决策咨询网' })

const currentStep = ref(0)
const submitting = ref(false)

const formData = reactive({
  name: '',
  gender: undefined,
  birthday: undefined,
  education: undefined,
  title: '',
  organization: '',
  phone: '',
  email: '',
  researchArea: '',
  bio: '',
  idCard: '',
  diploma: '',
  certificate: '',
  achievements: [] as string[],
})

function beforeUpload(file: File) {
  const isLt10M = file.size / 1024 / 1024 < 10
  if (!isLt10M) {
    message.error('文件大小不能超过 10MB')
    return false
  }
  return true
}

function handleUpload(type: string) {
  return async (option: any) => {
    try {
      // TODO: 调用上传API
      option.onSuccess()
      message.success('上传成功')
    } catch {
      option.onError()
      message.error('上传失败')
    }
  }
}

function handleNext() {
  if (currentStep.value === 0) {
    if (!formData.name || !formData.phone) {
      message.warning('请填写必填项')
      return
    }
  }
  currentStep.value++
}

async function handleSubmit() {
  submitting.value = true
  try {
    // TODO: 调用API提交申请
    message.success('提交成功，请等待审核')
    navigateTo('/about/join')
  } catch (e: any) {
    message.error(e?.message || '提交失败')
  } finally {
    submitting.value = false
  }
}
</script>

<style scoped>
.join-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.page-header {
  text-align: center;
  margin-bottom: 40px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: #1f2937;
  margin: 0 0 12px;
}

.page-desc {
  font-size: 16px;
  color: #6b7280;
  margin: 0;
}

.join-content {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.steps-wrap {
  margin-bottom: 40px;
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  color: #1f2937;
  margin: 0 0 20px;
}

.section-desc {
  font-size: 14px;
  color: #6b7280;
  margin: -10px 0 20px;
}

.upload-hint {
  font-size: 12px;
  color: #9ca3af;
  margin-top: 8px;
}

.confirm-section {
  padding: 40px 0;
}

.step-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #f0f0f0;
}
</style>
