const { query, getRow } = require('./db');

const EVENT_LABELS = { ticket_created:'工单创建', ticket_claimed:'工单认领', ticket_transferred:'工单转交', ticket_updated:'工单更新' };

async function sendWebhook(event, data) {
  try {
    const configs = await query("SELECT * FROM notification_configs WHERE type = 'webhook' AND active = 1");
    for (const cfg of configs) {
      const events = cfg.events || 'all';
      if (events !== 'all' && !events.split(',').map(s=>s.trim()).includes(event)) continue;
      const embed = buildEmbed(event, data);
      try {
        const ctrl = new AbortController();
        const t = setTimeout(() => ctrl.abort(), 10000);
        await fetch(cfg.webhook_url, { method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify(embed), signal: ctrl.signal });
        clearTimeout(t);
      } catch (e) { console.error('[Webhook]', cfg.name, e.message); }
    }
  } catch {}
}

function buildEmbed(event, data) {
  const row = data._siteName ? { v: data._siteName } : null;
  const siteName = row?.v || 'MC举报系统';
  const colors = { ticket_created:0x4f46e5, ticket_claimed:0x10b981, ticket_transferred:0xf59e0b, ticket_updated:0x3b82f6 };
  const embed = { username: siteName, embeds:[{ title:EVENT_LABELS[event]||event, color:colors[event]||0x4f46e5, timestamp:new Date().toISOString(), fields:[] }] };
  if (event==='ticket_created') { embed.embeds[0].description=`**#${data.ticket_id}** - ${data.ticket_title||''}`; embed.embeds[0].fields.push({name:'类型',value:data.ticket_type||data.type||'?',inline:true},{name:'提交者',value:`${data.reporter_game_name||'?'} (UID:${data.reporter_game_uid||'?'})`,inline:true}); }
  else if (event==='ticket_claimed') { embed.embeds[0].description=`**#${data.ticket_id}** - ${data.ticket_title}`; embed.embeds[0].fields.push({name:'认领人',value:data.assigned_to||'?',inline:true}); }
  else if (event==='ticket_transferred') { embed.embeds[0].description=`**#${data.ticket_id}** - ${data.ticket_title}`; embed.embeds[0].fields.push({name:'转出',value:data.from_user||'?',inline:true},{name:'转入',value:data.to_user||'?',inline:true}); }
  else if (event==='ticket_updated') { embed.embeds[0].description=`**#${data.ticket_id}** - ${data.ticket_title}`; if(data.new_status)embed.embeds[0].fields.push({name:'新状态',value:data.new_status,inline:true}); }
  return embed;
}

module.exports = { sendWebhook };