/**
 * Domain model for Store Health Report.
 * Encapsulates score, issues, and summary generation.
 */

class HealthReport {
  constructor(storeNumber, storeName = 'Unknown Store') {
    this.storeNumber = storeNumber;
    this.storeName = storeName;
    this.overallScore = 100;
    this.issues = [];
    this.sections = [];
  }

  deduct(points, reason) {
    this.overallScore = Math.max(0, this.overallScore - points);
    if (reason) {
      this.issues.push(reason);
    }
  }

  addSection(title, content) {
    this.sections.push({ title, content });
  }

  addIssue(issue) {
    if (issue && !this.issues.includes(issue)) {
      this.issues.push(issue);
    }
  }

  finalize() {
    this.overallScore = Math.round(this.overallScore);

    const statusEmoji = this.overallScore >= 90 ? '🟢' : this.overallScore >= 70 ? '🟡' : '🔴';
    const statusText =
      this.overallScore >= 90 ? 'Good' : this.overallScore >= 70 ? 'Fair' : 'Needs Attention';

    let summary = `**📊 Store ${this.storeNumber} Health Summary - ${this.storeName}**\n\n`;

    this.sections.forEach(section => {
      summary += section.content + '\n';
    });

    summary += `\n**Overall Status**: ${statusEmoji} ${statusText} (${this.overallScore}% healthy)\n\n`;

    if (this.issues.length > 0) {
      summary += `**⚠️ Issues Detected**\n`;
      this.issues.forEach(issue => (summary += `- ${issue}\n`));
    } else {
      summary += `**✅ No major issues detected**\n`;
    }

    this.summary = summary;
    return this;
  }

  toJSON() {
    return {
      storeNumber: this.storeNumber,
      storeName: this.storeName,
      overallScore: this.overallScore,
      issues: [...this.issues],
      summary: this.summary,
    };
  }
}

function createHealthReport(storeNumber, storeName) {
  return new HealthReport(storeNumber, storeName);
}

module.exports = { HealthReport, createHealthReport };