/**
 * AKSRT Report — 前台统一举报弹窗
 *
 * 监听 [data-aksrt-report] 点击，弹出对齐参考主题格式的举报弹窗：
 * 红色警示头 + 举报原因徽章（含“其它原因”）+ 违规链接 + 详细描述 + 取消/确认提交。
 * 提交走 REST /aksrt/v1/report/submit（user/comment/post 三类目标统一入口）。
 *
 * @package AKSRT
 */

(function () {
  'use strict';

  var API_ROOT = (function () {
    var d = window.aksrtData || {};
    var raw = d.apiUrl || d.restUrl || d.rest_url || '/index.php?rest_route=/aksrt/v1';
    return String(raw).replace(/\/$/, '');
  })();
  var NONCE = (window.aksrtData && window.aksrtData.restNonce) || '';

  var TARGET_TITLES = {
    user: '举报用户',
    post: '举报文章',
    comment: '举报评论',
  };

  function getReportCategories() {
    // 预置原因：后台“用户&互动 → 禁封/举报”配置（aksrtData.reportCategories）。
    var list = window.aksrtData && window.aksrtData.reportCategories;
    if (Array.isArray(list)) {
      var items = list
        .map(function (cat) {
          return {
            slug: String((cat && (cat.slug || cat.value)) || ''),
            label: String((cat && (cat.label || cat.name)) || ''),
          };
        })
        .filter(function (cat) { return cat.slug !== '' && cat.label !== ''; });
      if (items.length) return items;
    }
    return [
      { slug: 'spam',      label: '垃圾信息' },
      { slug: 'abuse',     label: '人身攻击' },
      { slug: 'copyright', label: '版权投诉' },
    ];
  }

  function escapeHtml(value) {
    return String(value == null ? '' : value)
      .replace(/&/g, '&')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;')
      .replace(/'/g, '&#39;');
  }

  function buildReportModalHtml(data) {
    var categories = getReportCategories();
    var title = TARGET_TITLES[data.target_type] || '举报不良信息';

    var html = '';

    // 弹窗头：参考主题红色警示样式。
    html += '<div class="flex jsb ac mb10">';
    html += '<b class="flex ac c-red em12"><span class="toggle-radius mr10 c-red"><i class="fa fa-exclamation-triangle" aria-hidden="true"></i></span>' + escapeHtml(title) + '</b>';
    html += '<button type="button" class="aksrt-modal-runtime__close" data-aksrt-modal-close aria-label="关闭">&times;</button>';
    html += '</div>';

    html += '<form class="aksrt-report-form">';
    html += '<div class="scroll-y mini-scrollbar max-vh7">';

    // 被举报对象（头像 + 名称），由服务端渲染进 data-aksrt-report。
    if (data.target_avatar || data.target_name) {
      html += '<div class="flex ac mb10">';
      if (data.target_avatar) {
        html += '<img class="avatar-mini mr6" src="' + escapeHtml(data.target_avatar) + '" alt="">';
      }
      html += '<b>' + escapeHtml(data.target_name || '') + '</b>';
      html += '</div>';
    }

    // 举报原因（徽章单选，含“其它原因”）。
    html += '<div class="mb20">';
    html += '<div class="em09 muted-2-color mb6">举报原因</div>';
    html += '<div class="aksrt-report-reasons">';
    categories.forEach(function (cat) {
      html += '<button type="button" class="mr6 mb6 badg p2-10 pointer" data-report-reason="' + escapeHtml(cat.slug) + '">' + escapeHtml(cat.label) + '</button>';
    });
    html += '<button type="button" class="mr6 mb6 badg p2-10 pointer" data-report-reason="other">其它原因</button>';
    html += '</div>';
    html += '<div class="aksrt-report-other mt6" hidden>';
    html += '<textarea class="form-control" name="reason_other" rows="2" placeholder="请填写举报原因"></textarea>';
    html += '</div>';
    html += '</div>';

    // 违规链接。
    html += '<div class="mb20">';
    html += '<div class="em09 muted-2-color mb6">违规链接</div>';
    html += '<input type="url" class="form-control" name="report_url" placeholder="请输入违规链接（选填）">';
    html += '</div>';

    // 详细描述。
    html += '<div class="mb20">';
    html += '<div class="em09 muted-2-color mb6">详细描述</div>';
    html += '<textarea class="form-control" name="report_desc" rows="3" placeholder="请详细描述违规事项"></textarea>';
    html += '</div>';

    html += '</div>';

    // 底栏：参考主题 but-average modal-buts 双按钮。
    html += '<div class="but-average modal-buts">';
    html += '<button type="button" class="but" data-aksrt-modal-close>取消</button>';
    html += '<button type="button" class="but c-blue" data-aksrt-report-submit><i class="fa fa-check" aria-hidden="true"></i>确认提交</button>';
    html += '</div>';
    html += '</form>';

    return html;
  }

  function selectedReason(shell) {
    var active = shell.querySelector('[data-report-reason].is-active');
    return active ? active.getAttribute('data-report-reason') : '';
  }

  function submitReport(session, data, shell) {
    var form = shell.querySelector('.aksrt-report-form');
    if (!form) return;

    var submitBtn = form.querySelector('[data-aksrt-report-submit]');
    var descInput = form.querySelector('[name="report_desc"]');
    var otherInput = form.querySelector('[name="reason_other"]');
    var urlInput = form.querySelector('[name="report_url"]');

    var slug = selectedReason(shell);
    var reason = (descInput && descInput.value || '').trim();
    var other = (otherInput && otherInput.value || '').trim();

    if (!slug && !reason) {
      notyf('请选择或输入举报原因', 'danger');
      return;
    }

    // “其它原因”时以自定义文本为举报原因。
    if (slug === 'other') {
      slug = '';
      reason = other || reason;
    }
    if (!reason) {
      // 徽章已选但没有描述时，将徽章文案作为举报原因（参考主题同款语义）。
      var activeBtn = shell.querySelector('[data-report-reason].is-active');
      reason = activeBtn ? (activeBtn.textContent || '').trim() : '';
    }
    var link = (urlInput && urlInput.value || '').trim();
    if (link) {
      reason += (reason ? '\n' : '') + '违规链接：' + link;
    }

    if (!reason) {
      notyf('请选择或输入举报原因', 'danger');
      return;
    }

    submitBtn.disabled = true;
    notyf('正在提交举报…', 'load', 3000, 'aksrt-report-submit');

    window.fetch(API_ROOT + '/report/submit', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-WP-Nonce': NONCE,
      },
      body: JSON.stringify({
        target_type: data.target_type,
        target_id:   data.target_id,
        category:    slug,
        reason:      reason,
      }),
    })
      .then(function (res) { return res.json(); })
      .then(function (result) {
        if (result && result.success) {
          window.AksrtModalRuntime.close('submit');
          notyf(result.message || '举报已提交，我们会尽快处理', 'success');
        } else {
          submitBtn.disabled = false;
          notyf((result && result.message) || '举报提交失败', 'danger');
        }
      })
      .catch(function () {
        submitBtn.disabled = false;
        notyf('网络错误，请重试', 'danger');
      })
      .then(function () {
        var toast = document.getElementById('aksrt-report-submit');
        if (toast) toast.remove();
      });
  }

  function openReportModal(data) {
    if (!window.AksrtModalRuntime || typeof window.AksrtModalRuntime.open !== 'function') {
      notyf('举报组件加载失败，请刷新页面后重试', 'danger');
      return;
    }

    var shell = window.AksrtModalRuntime.open({
      html: buildReportModalHtml(data),
      className: 'aksrt-report-modal modal-mini',
      kind: 'report',
      mobileBottom: true,
    });

    shell.addEventListener('click', function (event) {
      var chip = event.target.closest('[data-report-reason]');
      if (chip) {
        event.preventDefault();
        var wasActive = chip.classList.contains('is-active');
        shell.querySelectorAll('[data-report-reason].is-active').forEach(function (el) {
          el.classList.remove('is-active');
        });
        if (!wasActive) chip.classList.add('is-active');
        var otherBox = shell.querySelector('.aksrt-report-other');
        if (otherBox) otherBox.hidden = chip.getAttribute('data-report-reason') !== 'other' || wasActive;
        return;
      }
      var submitBtn = event.target.closest('[data-aksrt-report-submit]');
      if (submitBtn) {
        event.preventDefault();
        submitReport({ target_type: data.target_type, target_id: data.target_id }, data, shell);
      }
    });
  }

  function initReportButtons() {
    if (document.documentElement.dataset.aksrtReportInitialized === '1') return;
    document.documentElement.dataset.aksrtReportInitialized = '1';
    document.addEventListener('click', function (e) {
      var btn = e.target.closest('[data-aksrt-report]');
      if (!btn) return;
      e.preventDefault();

      try {
        var data = JSON.parse(btn.getAttribute('data-aksrt-report'));
        if (data && data.target_type && data.target_id) {
          openReportModal(data);
        }
      } catch {
        // invalid data attribute
      }
    });
  }

  jQuery(document).off('auto_fun.aksrt-report').on('auto_fun.aksrt-report', initReportButtons);
})();