import axios from 'axios';
import { ComplianceReport } from '../types';

export class DiscordNotifier {
  constructor(private webhookUrl: string) {}

  async notify(report: ComplianceReport): Promise<void> {
    const { fileName, violations, summary } = report;

    const severityColor = (severity: string) => {
      switch (severity) {
        case 'critical': return 0xdc2626;
        case 'warning': return 0xf59e0b;
        case 'info': return 0x3b82f6;
        default: return 0x6b7280;
      }
    };

    const embeds = [
      {
        title: '🚨 Design Violations Detected',
        description: `**File:** ${fileName}\n**Total Violations:** ${summary.total}`,
        color: summary.bySeverity.critical ? severityColor('critical') : severityColor('warning'),
        fields: [
          {
            name: '🔴 Critical',
            value: (summary.bySeverity.critical || 0).toString(),
            inline: true,
          },
          {
            name: '🟡 Warnings',
            value: (summary.bySeverity.warning || 0).toString(),
            inline: true,
          },
          {
            name: '🔵 Info',
            value: (summary.bySeverity.info || 0).toString(),
            inline: true,
          },
        ],
        timestamp: new Date().toISOString(),
      },
    ];

    // Add top violations
    const topViolations = violations.slice(0, 3);
    for (const v of topViolations) {
      embeds.push({
        title: `${v.type.toUpperCase()}`,
        description: v.message,
        color: severityColor(v.severity),
        fields: [
          {
            name: 'Node',
            value: v.node.name,
            inline: true,
          },
          {
            name: 'Severity',
            value: v.severity,
            inline: true,
          },
        ],
        timestamp: new Date().toISOString(),
      });
    }

    await axios.post(this.webhookUrl, {
      embeds,
      username: 'Design Compliance Bot',
    });
  }
}