/**
 * AKSRT Report — 前台举报提交
 *
 * 监听 [data-aksrt-report] 按钮点击，弹出举报表单并提交。
 *
 * @package AKSRT
 */

(function () {
  'use strict';

  var API_ROOT = (window.aksrtData && window.aksrtData.apiUrl) || '/wp-json/aksrt/v1';
  var NONCE    = (window.aksrtData && window.aksrtData.restNonce) || '';

  function getReportCategories() {
    // Default categories; can be overridden by server-rendered config
    if (window.aksrtReportCategories && Array.isArray(window.aksrtReportCategories)) {
      return window.aksrtReportCategories;
    }
    return [
      { value: 'spam',     label: '垃圾信息' },
      { value: 'abuse',    label: '人身攻击' },
      { value: 'copyright', label: '版权投诉' },
      { value: 'other',    label: '其他' },
    ];
  }

  function createReportModal(data) {
    // Remove existing modal if any
    var existing = document.getElementById('aksrt-report-modal');
    if (existing) existing.remove();

    var categories = getReportCategories();

    var overlay = document.createElement('div');
    overlay.id = 'aksrt-report-modal';
    overlay.style.cssText = 'position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:9999;display:flex;align-items:center;justify-content:center;';

    var modal = document.createElement('div');
    modal.style.cssText = 'background:#fff;border-radius:8px;padding:24px;max-width:420px;width:90%;box-shadow:0 4px 20px rgba(0,0,0,0.15);';

    var title = document.createElement('h3');
    title.textContent = '提交举报';
    title.style.cssText = 'margin:0 0 16px;font-size:16px;font-weight:600;';
    modal.appendChild(title);

    // Category select
    var catLabel = document.createElement('label');
    catLabel.textContent = '举报分类';
    catLabel.style.cssText = 'display:block;margin-bottom:4px;font-size:13px;color:#555;';
    modal.appendChild(catLabel);

    var catSelect = document.createElement('select');
    catSelect.style.cssText = 'width:100%;padding:8px;border:1px solid #ddd;border-radius:4px;margin-bottom:12px;';
    categories.forEach(function (cat) {
      var opt = document.createElement('option');
      opt.value = cat.value;
      opt.textContent = cat.label;
      catSelect.appendChild(opt);
    });
    modal.appendChild(catSelect);

    // Reason textarea
    var reasonLabel = document.createElement('label');
    reasonLabel.textContent = '举报原因';
    reasonLabel.style.cssText = 'display:block;margin-bottom:4px;font-size:13px;color:#555;';
    modal.appendChild(reasonLabel);

    var reasonInput = document.createElement('textarea');
    reasonInput.placeholder = '请详细描述举报原因…';
    reasonInput.style.cssText = 'width:100%;height:80px;padding:8px;border:1px solid #ddd;border-radius:4px;resize:vertical;margin-bottom:16px;box-sizing:border-box;';
    modal.appendChild(reasonInput);

    // Buttons
    var btnRow = document.createElement('div');
    btnRow.style.cssText = 'display:flex;gap:8px;justify-content:flex-end;';

    var cancelBtn = document.createElement('button');
    cancelBtn.type = 'button';
    cancelBtn.textContent = '取消';
    cancelBtn.style.cssText = 'padding:8px 16px;border:1px solid #ddd;border-radius:4px;background:#fff;cursor:pointer;';
    cancelBtn.onclick = function () { overlay.remove(); };
    btnRow.appendChild(cancelBtn);

    var submitBtn = document.createElement('button');
    submitBtn.type = 'button';
    submitBtn.textContent = '提交举报';
    submitBtn.style.cssText = 'padding:8px 16px;border:none;border-radius:4px;background:#e74c3c;color:#fff;cursor:pointer;';
    submitBtn.onclick = function () {
      var reason = reasonInput.value.trim();
      if (!reason) {
        reasonInput.style.borderColor = '#e74c3c';
        reasonInput.focus();
        return;
      }
      submitBtn.disabled = true;
      submitBtn.textContent = '提交中…';

      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:    catSelect.value,
          reason:      reason,
        }),
      })
        .then(function (res) { return res.json(); })
        .then(function (result) {
          overlay.remove();
          if (result.success) {
            showToast(result.message || '举报已提交');
          } else {
            showToast(result.message || '提交失败', 'error');
          }
        })
        .catch(function () {
          submitBtn.disabled = false;
          submitBtn.textContent = '提交举报';
          showToast('网络错误，请重试', 'error');
        });
    };
    btnRow.appendChild(submitBtn);
    modal.appendChild(btnRow);

    overlay.appendChild(modal);
    overlay.addEventListener('click', function (e) {
      if (e.target === overlay) overlay.remove();
    });

    document.body.appendChild(overlay);
    reasonInput.focus();
  }

  function showToast(msg, type) {
    var toast = document.createElement('div');
    toast.textContent = msg;
    toast.style.cssText = 'position:fixed;top:20px;left:50%;transform:translateX(-50%);padding:12px 24px;border-radius:6px;color:#fff;font-size:14px;z-index:10000;transition:opacity 0.3s;';
    toast.style.background = type === 'error' ? '#e74c3c' : '#27ae60';
    document.body.appendChild(toast);
    setTimeout(function () {
      toast.style.opacity = '0';
      setTimeout(function () { toast.remove(); }, 300);
    }, 3000);
  }

  function initReportButtons() {
    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) {
          createReportModal(data);
        }
      } catch {
        // invalid data attribute
      }
    });
  }

  // Auto-init on DOMContentLoaded
  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', initReportButtons);
  } else {
    initReportButtons();
  }
})();