{% extends "../layout.html" %}

{% block title %}用户管理{% endblock %}

{% block content %}
<div id="userApp" v-cloak>
  <!-- 搜索栏 -->
  <el-card shadow="never" class="mb-4">
    <el-form :inline="true" @submit.prevent="loadList()" class="flex items-center flex-wrap gap-2">
      <el-form-item label="关键词" class="!mb-0">
        <el-input v-model="keyword" placeholder="用户名/姓名..." clearable style="width:180px;" />
      </el-form-item>
      <el-form-item label="角色" class="!mb-0">
        <el-select v-model="roleFilter" placeholder="全部" clearable style="width:120px;">
          <el-option v-for="role in roles" :key="role.id" :label="role.name" :value="role.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="状态" class="!mb-0">
        <el-select v-model="statusFilter" placeholder="全部" clearable style="width:100px;">
          <el-option label="启用" :value="1"></el-option>
          <el-option label="禁用" :value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item class="!mb-0">
        <el-button type="primary" @click="loadList()">搜索</el-button>
        <el-button @click="resetFilter">重置</el-button>
      </el-form-item>
    </el-form>
  </el-card>

  <!-- 用户列表 -->
  <el-card shadow="never">
    <template #header>
      <el-button type="primary" @click="showAddModal">+ 新增用户</el-button>
    </template>

    <el-table :data="tableData" v-loading="loading" stripe border>
      <el-table-column prop="id" label="ID" width="60" ></el-table-column>
      <el-table-column prop="username" label="用户名" ></el-table-column>
      <el-table-column prop="nickname" label="姓名">
        <template #default="{ row }">${ row.nickname || '-' }</template>
      </el-table-column>
      <el-table-column prop="role_name" label="角色" width="120">
        <template #default="{ row }">
          <el-tag type="primary" size="small">${ row.role_name || '-' }</el-tag>
        </template>
      </el-table-column>
      <el-table-column prop="email" label="邮箱" width="180">
        <template #default="{ row }">${ row.email || '-' }</template>
      </el-table-column>
      <el-table-column prop="status" label="状态" width="120" align="center">
        <template #default="{ row }">
          <el-tag v-if="row.is_locked" type="danger" size="small">已锁定</el-tag>
          <el-tag v-else-if="row.status === 1" type="success" size="small">启用</el-tag>
          <el-tag v-else type="info" size="small">禁用</el-tag>
        </template>
      </el-table-column>
      <el-table-column prop="last_login_time" label="最后登录" width="160">
        <template #default="{ row }">${ row.last_login_time || '-' }</template>
      </el-table-column>
      <el-table-column label="操作" width="260" align="center">
        <template #default="{ row }">
          <el-button type="primary" link @click="editUser(row)">编辑</el-button>
          <el-button type="primary" link @click="showResetModal(row)">重置密码</el-button>
          <el-button v-if="row.is_locked" type="warning" link @click="unlockUser(row)">解锁</el-button>
          <el-button :type="row.status === 1 ? 'danger' : 'success'" link @click="toggleStatus(row)">
            ${ row.status === 1 ? '禁用' : '启用' }
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <div class="flex justify-end mt-4">
      <el-pagination
        v-model:current-page="pagination.page"
        :page-size="pagination.pageSize"
        :total="pagination.total"
        layout="total, prev, pager, next"
        @current-change="loadList"
      />
    </div>
  </el-card>

  <!-- 新增/编辑弹窗 -->
  <el-dialog v-model="dialogVisible" :title="dialogTitle" width="500px" destroy-on-close draggable :close-on-click-modal="false">
    <el-form :model="form" label-width="80px">
      <el-form-item label="用户名" required>
        <el-input v-model="form.username" placeholder="请输入用户名" :disabled="!!form.id" />
      </el-form-item>
      <el-form-item v-if="!form.id" label="密码" required>
        <el-input v-model="form.password" type="password" placeholder="至少8位，含大小写字母/数字中两种" show-password />
        <div v-if="form.password" style="margin-top:4px;">
          <div style="display:flex;gap:4px;margin-bottom:2px;">
            <span :style="{flex:1,height:'4px',borderRadius:'2px',background: pwdStrength>=1?pwdStrengthColor:'#e4e7ed'}"></span>
            <span :style="{flex:1,height:'4px',borderRadius:'2px',background: pwdStrength>=2?pwdStrengthColor:'#e4e7ed'}"></span>
            <span :style="{flex:1,height:'4px',borderRadius:'2px',background: pwdStrength>=3?pwdStrengthColor:'#e4e7ed'}"></span>
          </div>
          <span :style="{fontSize:'12px',color:pwdStrengthColor}">${ pwdStrengthText }</span>
        </div>
      </el-form-item>
      <el-form-item label="姓名">
        <el-input v-model="form.nickname" placeholder="请输入姓名" />
      </el-form-item>
      <el-form-item label="邮箱">
        <el-input v-model="form.email" type="email" placeholder="请输入邮箱" />
      </el-form-item>
      <el-form-item label="手机号">
        <el-input v-model="form.phone" placeholder="请输入手机号" />
      </el-form-item>
      <el-form-item label="角色">
        <el-select v-model="form.role_id" placeholder="请选择角色" style="width:100%;">
          <el-option v-for="role in roles" :key="role.id" :label="role.name" :value="role.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="状态">
        <el-switch v-model="form.status" :active-value="1" :inactive-value="0" />
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="dialogVisible = false">取消</el-button>
      <el-button type="primary" @click="saveUser" :loading="saving">确定</el-button>
    </template>
  </el-dialog>

  <!-- 重置密码弹窗 -->
  <el-dialog v-model="resetPwdVisible" title="重置密码" width="400px" destroy-on-close draggable :close-on-click-modal="false">
    <el-form label-width="80px">
      <el-form-item label="新密码" required>
        <el-input v-model="newPassword" type="password" placeholder="至少8位，含大小写字母/数字中两种" show-password />
        <div v-if="newPassword" style="margin-top:4px;">
          <div style="display:flex;gap:4px;margin-bottom:2px;">
            <span :style="{flex:1,height:'4px',borderRadius:'2px',background: resetPwdStrength>=1?resetPwdStrengthColor:'#e4e7ed'}"></span>
            <span :style="{flex:1,height:'4px',borderRadius:'2px',background: resetPwdStrength>=2?resetPwdStrengthColor:'#e4e7ed'}"></span>
            <span :style="{flex:1,height:'4px',borderRadius:'2px',background: resetPwdStrength>=3?resetPwdStrengthColor:'#e4e7ed'}"></span>
          </div>
          <span :style="{fontSize:'12px',color:resetPwdStrengthColor}">${ resetPwdStrengthText }</span>
        </div>
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="resetPwdVisible = false">取消</el-button>
      <el-button type="primary" @click="resetPassword" :loading="resetPwdSaving">确定</el-button>
    </template>
  </el-dialog>
</div>
{% endblock %}

{% block js %}
<script>
const rolesData = {{ roles | dump | safe }};

const { createApp, ref, reactive, computed, onMounted } = Vue;

const app = createApp({
  delimiters: ['${', '}'],
  setup() {
    const keyword = ref('');
    const roleFilter = ref('');
    const statusFilter = ref('');
    const loading = ref(false);
    const tableData = ref([]);
    const pagination = reactive({ page: 1, pageSize: 10, total: 0 });
    const roles = ref(rolesData || []);

    // 弹窗
    const dialogVisible = ref(false);
    const dialogTitle = ref('新增用户');
    const saving = ref(false);
    const form = reactive({ id: null, username: '', password: '', nickname: '', email: '', phone: '', role_id: '', status: 1 });

    // 重置密码弹窗
    const resetPwdVisible = ref(false);
    const resetPwdSaving = ref(false);
    const newPassword = ref('');
    const resetUserId = ref(null);

    // 密码强度计算
    function calcPwdStrength(pwd) {
      if (!pwd) return 0;
      var s = 0;
      if (pwd.length >= 8) s++;
      var types = 0;
      if (/[a-z]/.test(pwd)) types++;
      if (/[A-Z]/.test(pwd)) types++;
      if (/\d/.test(pwd)) types++;
      if (types >= 2) s++;
      if (types >= 3 && pwd.length >= 10) s++;
      return s;
    }
    const pwdStrength = computed(function() { return calcPwdStrength(form.password); });
    const pwdStrengthColor = computed(function() { return pwdStrength.value <= 1 ? '#f56c6c' : pwdStrength.value === 2 ? '#e6a23c' : '#67c23a'; });
    const pwdStrengthText = computed(function() { return pwdStrength.value <= 1 ? '弱' : pwdStrength.value === 2 ? '中' : '强'; });
    const resetPwdStrength = computed(function() { return calcPwdStrength(newPassword.value); });
    const resetPwdStrengthColor = computed(function() { return resetPwdStrength.value <= 1 ? '#f56c6c' : resetPwdStrength.value === 2 ? '#e6a23c' : '#67c23a'; });
    const resetPwdStrengthText = computed(function() { return resetPwdStrength.value <= 1 ? '弱' : resetPwdStrength.value === 2 ? '中' : '强'; });

    // 前端密码校验
    function validatePassword(pwd) {
      if (!pwd || pwd.length < 8) return '密码长度不能少于8位';
      var types = 0;
      if (/[a-z]/.test(pwd)) types++;
      if (/[A-Z]/.test(pwd)) types++;
      if (/\d/.test(pwd)) types++;
      if (types < 2) return '密码需包含大写字母、小写字母、数字中的至少两种';
      return null;
    }

    // 加载列表
    async function loadList(page) {
      if (typeof page === 'number') pagination.page = page;
      loading.value = true;
      try {
        const params = new URLSearchParams({
          page: pagination.page,
          pageSize: pagination.pageSize,
          keyword: keyword.value,
          role_id: roleFilter.value,
          status: statusFilter.value
        });
        const res = await fetch('/admin/system/user/list?' + params).then(r => r.json());
        if (res.code === 0) {
          var today = new Date().toISOString().slice(0, 10);
          (res.data.data || []).forEach(function(item) {
            var failDate = item.login_fail_date ? item.login_fail_date.slice(0, 10) : null;
            item.is_locked = (failDate === today && item.login_fail_count >= 5);
          });
          tableData.value = res.data.data || [];
          pagination.total = res.data.count || 0;
        } else {
          ElementPlus.ElMessage.error(res.msg || '加载失败');
        }
      } finally {
        loading.value = false;
      }
    }

    // 重置筛选
    function resetFilter() {
      keyword.value = '';
      roleFilter.value = '';
      statusFilter.value = '';
      pagination.page = 1;
      loadList();
    }

    // 显示新增弹窗
    function showAddModal() {
      dialogTitle.value = '新增用户';
      Object.assign(form, { id: null, username: '', password: '', nickname: '', email: '', phone: '', role_id: '', status: 1 });
      dialogVisible.value = true;
    }

    // 编辑用户
    async function editUser(row) {
      const res = await fetch('/admin/system/user/detail?id=' + row.id).then(r => r.json());
      if (res.code !== 0) {
        ElementPlus.ElMessage.error(res.msg || '获取失败');
        return;
      }
      const user = res.data;
      dialogTitle.value = '编辑用户';
      Object.assign(form, {
        id: user.id,
        username: user.username,
        password: '',
        nickname: user.nickname || '',
        email: user.email || '',
        phone: user.phone || '',
        role_id: user.role_id || '',
        status: user.status
      });
      dialogVisible.value = true;
    }

    // 保存用户
    async function saveUser() {
      if (!form.username.trim()) {
        ElementPlus.ElMessage.warning('用户名不能为空');
        return;
      }
      if (!form.id && !form.password) {
        ElementPlus.ElMessage.warning('密码不能为空');
        return;
      }
      if (!form.id) {
        var pwdErr = validatePassword(form.password);
        if (pwdErr) { ElementPlus.ElMessage.warning(pwdErr); return; }
      }
      saving.value = true;
      try {
        const url = form.id ? '/admin/system/user/edit' : '/admin/system/user/add';
        const body = {
          username: form.username,
          password: form.password,
          nickname: form.nickname,
          email: form.email,
          phone: form.phone,
          role_id: form.role_id,
          status: form.status
        };
        if (form.id) body.id = form.id;

        const res = await fetch(url, {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify(body)
        }).then(r => r.json());

        if (res.code === 0) {
          ElementPlus.ElMessage.success('保存成功');
          dialogVisible.value = false;
          loadList();
        } else {
          ElementPlus.ElMessage.error(res.msg || '保存失败');
        }
      } finally {
        saving.value = false;
      }
    }

    // 显示重置密码弹窗
    function showResetModal(row) {
      resetUserId.value = row.id;
      newPassword.value = '';
      resetPwdVisible.value = true;
    }

    // 重置密码
    async function resetPassword() {
      if (!newPassword.value) {
        ElementPlus.ElMessage.warning('请输入新密码');
        return;
      }
      var pwdErr = validatePassword(newPassword.value);
      if (pwdErr) { ElementPlus.ElMessage.warning(pwdErr); return; }
      resetPwdSaving.value = true;
      try {
        const res = await fetch('/admin/system/user/resetPassword', {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ id: resetUserId.value, password: newPassword.value })
        }).then(r => r.json());

        if (res.code === 0) {
          ElementPlus.ElMessage.success('密码重置成功');
          resetPwdVisible.value = false;
        } else {
          ElementPlus.ElMessage.error(res.msg || '重置失败');
        }
      } finally {
        resetPwdSaving.value = false;
      }
    }

    // 解锁用户
    async function unlockUser(row) {
      try {
        await ElementPlus.ElMessageBox.confirm('确定要解锁该用户吗？', '提示', { type: 'warning' });
        const res = await fetch('/admin/system/user/unlock', {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ id: row.id })
        }).then(r => r.json());

        if (res.code === 0) {
          ElementPlus.ElMessage.success('解锁成功');
          loadList();
        } else {
          ElementPlus.ElMessage.error(res.msg || '解锁失败');
        }
      } catch {}
    }

    // 切换状态
    async function toggleStatus(row) {
      try {
        await ElementPlus.ElMessageBox.confirm('确定要切换该用户状态吗？', '提示', { type: 'warning' });
        const res = await fetch('/admin/system/user/toggleStatus', {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ id: row.id })
        }).then(r => r.json());

        if (res.code === 0) {
          ElementPlus.ElMessage.success('操作成功');
          loadList();
        } else {
          ElementPlus.ElMessage.error(res.msg || '操作失败');
        }
      } catch {}
    }

    onMounted(() => loadList());

    return {
      keyword, roleFilter, statusFilter, loading, tableData, pagination, roles,
      dialogVisible, dialogTitle, saving, form,
      resetPwdVisible, resetPwdSaving, newPassword,
      pwdStrength, pwdStrengthColor, pwdStrengthText,
      resetPwdStrength, resetPwdStrengthColor, resetPwdStrengthText,
      loadList, resetFilter, showAddModal, editUser, saveUser,
      showResetModal, resetPassword, unlockUser, toggleStatus
    };
  }
});

app.use(ElementPlus, { locale: ElementPlusLocaleZhCn });
app.mount('#userApp');
</script>
{% endblock %}