(function () {

  'use strict';



  var Api = function () { return window.AdminApi; };

  var Ui = function () { return window.AdminUi; };

  var I = function () { return window.AdminI18n; };

  var Form = function () { return window.AdminForm; };

  var Tabs = function () { return window.AdminTabs; };



  var CHANNEL_CONFIG = {

    alipay: {

      label: '支付宝',

      kinds: [

        { kind: 'private_key', file: 'alipay_private_key.pem', label: '应用私钥 private_key' },

        { kind: 'public_key', file: 'alipay_public_key.pem', label: '支付宝公钥 public_key' },

      ],

    },

    wechat: {

      label: '微信支付',

      kinds: [

        { kind: 'mch_private_key', file: 'wechat_mch_private_key.pem', label: '商户私钥 mch_private_key' },

        { kind: 'api_v3_key', file: 'wechat_api_v3_key.pem', label: 'APIv3 密钥 api_v3_key' },

        { kind: 'platform_cert', file: 'wechat_platform_cert.pem', label: '平台证书 platform_cert' },

      ],

    },

  };



  function fileSet(items) {

    var set = {};

    (items || []).forEach(function (p) { set[p.name] = p; });

    return set;

  }



  function channelFormHtml(channel, files) {

    var cfg = CHANNEL_CONFIG[channel];

    var rows = cfg.kinds.map(function (k) {

      var ok = !!files[k.file];

      var statusCls = ok ? 'soon-admin-key-form-row__status--ok' : 'soon-admin-key-form-row__status--miss';

      var statusText = ok ? '已就绪' : '缺失';

      var id = channel + '_' + k.kind;

      return '<div class="soon-admin-key-form-row">' +

        '<div><div class="soon-admin-key-form-row__label">' + I().esc(k.label) + '</div>' +

        '<div class="soon-admin-key-form-row__status ' + statusCls + '">' + statusText + '</div></div>' +

        '<textarea id="' + id + '" class="soon-input soon-input--sm soon-input--textarea" rows="4" ' +

        'placeholder="粘贴 PEM 内容或拖入 .pem 文件"></textarea>' +

        '<button type="button" class="soon-btn soon-btn--sm pay-upload-btn" data-channel="' + channel +

        '" data-kind="' + k.kind + '" data-target="' + id + '">上传</button></div>';

    }).join('');

    return '<div class="soon-admin-form">' + Form().panel(cfg.label + ' 密钥', rows) +

      '<details class="soon-admin-hint"><summary>回调说明</summary>' +

      '<p>notify：<code>/api/v1/pay/' + channel + '/notify</code>（须配置 site.base_url 为 HTTPS 外网地址）</p></details>' +

      '<div class="soon-admin-upload" id="payDrop_' + channel + '">拖拽 .pem 到此处自动填入对应字段</div></div>';

  }



  function filesTabHtml(items) {

    var rows = (items || []).map(function (p) {

      return '<tr><td>' + I().esc(p.name) + '</td><td>' + p.bytes + ' B</td><td>' +

        I().formatDateTime(p.mtime) + '</td></tr>';

    }).join('');

    return Ui().dataTable(['文件名', '大小', '修改时间'], rows);

  }



  function uploadPem(channel, kind, content, onDone) {

    return Api().fetch('payment/upload', {

      method: 'POST',

      body: JSON.stringify({ channel: channel, kind: kind, content: content }),

    }).then(function (j) {

      if (j) {

        soonToast('密钥已上传', 'success');

        if (onDone) onDone();

      }

      return j;

    });

  }



  function bindChannel(channel, panel) {

    panel.querySelectorAll('.pay-upload-btn').forEach(function (btn) {

      btn.onclick = function () {

        var target = Ui().el(btn.dataset.target);

        var content = target ? target.value.trim() : '';

        if (!content) {

          soonToast('请先粘贴或拖入 PEM 内容', 'warn');

          return;

        }

        Ui().runFormSubmit(btn, function () {
          return uploadPem(btn.dataset.channel, btn.dataset.kind, content, render);
        });

      };

    });



    var drop = Ui().el('payDrop_' + channel);

    if (!drop) return;

    drop.ondragover = function (e) { e.preventDefault(); drop.classList.add('is-dragover'); };

    drop.ondragleave = function () { drop.classList.remove('is-dragover'); };

    drop.ondrop = function (e) {

      e.preventDefault();

      drop.classList.remove('is-dragover');

      var file = e.dataTransfer.files[0];

      if (!file) return;

      file.text().then(function (text) {

        var name = file.name.toLowerCase();

        var cfg = CHANNEL_CONFIG[channel];

        var matched = cfg.kinds.find(function (k) { return name.indexOf(k.kind.replace(/_/g, '')) >= 0 || name === k.file; });

        var targetId = matched ? channel + '_' + matched.kind : channel + '_' + cfg.kinds[0].kind;

        var ta = Ui().el(targetId);

        if (ta) ta.value = text;

        soonToast('已填入 ' + (matched ? matched.label : '首个字段') + '，请确认后点击上传', 'success');

      });

    };

  }



  function render() {

    var panel = Ui().el('panel-payment');

    if (!panel) return;

    panel.innerHTML = '<div class="soon-admin-page">' + Ui().pageHeader('支付配置', '按渠道管理密钥文件，上传后立即热加载') +

      Ui().skeletonTable() + '</div>';



    Api().get('payment/status').then(function (j) {

      if (!j) return;

      var items = j.data.items || [];

      var files = fileSet(items);



      var tabsHtml = Tabs().html('paymentTabs', [

        { id: 'alipay', label: '支付宝' },

        { id: 'wechat', label: '微信支付' },

        { id: 'files', label: '文件清单' },

      ], {

        alipay: channelFormHtml('alipay', files),

        wechat: channelFormHtml('wechat', files),

        files: filesTabHtml(items),

      }, 'alipay');



      panel.innerHTML = '<div class="soon-admin-page">' +

        Ui().pageHeader('支付配置', '按渠道管理密钥文件，上传后立即热加载') +

        tabsHtml + '</div>';



      var tabsRoot = Ui().el('paymentTabs');

      Tabs().bind(tabsRoot);

      bindChannel('alipay', panel);

      bindChannel('wechat', panel);

    });

  }



  window.AdminViews = window.AdminViews || {};

  window.AdminViews.payment = { render: render };

})();