import * as plugins from '../plugins.js';
import { DomainManager } from './classes.domainmanager.js';

@plugins.smartdata.managed()
export class Domain extends plugins.smartdata.SmartDataDbDoc<
  Domain,
  plugins.servezoneInterfaces.data.IDomain,
  DomainManager
> {
  // STATIC
  public static async getDomainById(domainIdArg: string) {
    const domain = await this.getInstance({
      id: domainIdArg,
    });
    return domain;
  }

  public static async getDomainByName(domainNameArg: string) {
    const domain = await this.getInstance({
      'data.name': domainNameArg,
    });
    return domain;
  }

  public static async getDomains() {
    const domains = await this.getInstances({});
    return domains;
  }

  public static async createDomain(domainDataArg: plugins.servezoneInterfaces.data.IDomain['data']) {
    const domain = new Domain();
    domain.id = await Domain.getNewId();
    domain.data = {
      ...domainDataArg,
      status: domainDataArg.status || 'pending',
      verificationStatus: domainDataArg.verificationStatus || 'pending',
      nameservers: domainDataArg.nameservers || [],
      autoRenew: domainDataArg.autoRenew !== false,
      createdAt: Date.now(),
      updatedAt: Date.now(),
    };
    await domain.save();
    return domain;
  }

  public static async updateDomain(
    domainIdArg: string,
    domainDataArg: Partial<plugins.servezoneInterfaces.data.IDomain['data']>
  ) {
    const domain = await this.getInstance({
      id: domainIdArg,
    });
    if (!domain) {
      throw new Error(`Domain with id ${domainIdArg} not found`);
    }
    Object.assign(domain.data, domainDataArg, {
      updatedAt: Date.now(),
    });
    await domain.save();
    return domain;
  }

  public static async deleteDomain(domainIdArg: string) {
    const domain = await this.getInstance({
      id: domainIdArg,
    });
    if (!domain) {
      throw new Error(`Domain with id ${domainIdArg} not found`);
    }
    
    // Check if there are DNS entries for this domain
    const dnsManager = domain.manager.cloudlyRef.dnsManager;
    const dnsEntries = await dnsManager.CDnsEntry.getInstances({
      'data.zone': domain.data.name,
    });
    
    if (dnsEntries.length > 0) {
      console.log(`Warning: Deleting domain ${domain.data.name} with ${dnsEntries.length} DNS entries`);
      // Optionally delete associated DNS entries
      for (const dnsEntry of dnsEntries) {
        await dnsEntry.delete();
      }
    }
    
    await domain.delete();
    return true;
  }

  // INSTANCE
  @plugins.smartdata.svDb()
  public id: string;

  @plugins.smartdata.svDb()
  public data: plugins.servezoneInterfaces.data.IDomain['data'];

  /**
   * Verify domain ownership
   */
  public async verifyDomain(methodArg?: 'dns' | 'http' | 'email' | 'manual') {
    const method = methodArg || this.data.verificationMethod || 'dns';
    
    // Generate verification token if not exists
    if (!this.data.verificationToken) {
      this.data.verificationToken = plugins.smartunique.shortId();
      await this.save();
    }
    
    let verificationResult = {
      success: false,
      message: '',
      details: {} as any,
    };
    
    switch (method) {
      case 'dns':
        // Check for TXT record with verification token
        verificationResult = await this.verifyViaDns();
        break;
      case 'http':
        // Check for file at well-known URL
        verificationResult = await this.verifyViaHttp();
        break;
      case 'email':
        // Send verification email
        verificationResult = await this.verifyViaEmail();
        break;
      case 'manual':
        // Manual verification
        verificationResult.success = true;
        verificationResult.message = 'Manually verified';
        break;
    }
    
    // Update verification status
    if (verificationResult.success) {
      this.data.verificationStatus = 'verified';
      this.data.lastVerificationAt = Date.now();
      this.data.verificationMethod = method;
    } else {
      this.data.verificationStatus = 'failed';
      this.data.lastVerificationAt = Date.now();
    }
    
    await this.save();
    return verificationResult;
  }
  
  private async verifyViaDns(): Promise<{ success: boolean; message: string; details: any }> {
    // TODO: Implement DNS verification
    // Look for TXT record _cloudly-verify.{domain} with value {verificationToken}
    return {
      success: false,
      message: 'DNS verification not yet implemented',
      details: {
        expectedRecord: `_cloudly-verify.${this.data.name}`,
        expectedValue: this.data.verificationToken,
      },
    };
  }
  
  private async verifyViaHttp(): Promise<{ success: boolean; message: string; details: any }> {
    // TODO: Implement HTTP verification
    // Check for file at http://{domain}/.well-known/cloudly-verify.txt
    return {
      success: false,
      message: 'HTTP verification not yet implemented',
      details: {
        expectedUrl: `http://${this.data.name}/.well-known/cloudly-verify.txt`,
        expectedContent: this.data.verificationToken,
      },
    };
  }
  
  private async verifyViaEmail(): Promise<{ success: boolean; message: string; details: any }> {
    // TODO: Implement email verification
    return {
      success: false,
      message: 'Email verification not yet implemented',
      details: {},
    };
  }
  
  /**
   * Check if domain is expiring soon
   */
  public isExpiringSoon(daysThreshold: number = 30): boolean {
    if (!this.data.expiresAt) {
      return false;
    }
    const daysUntilExpiry = (this.data.expiresAt - Date.now()) / (1000 * 60 * 60 * 24);
    return daysUntilExpiry <= daysThreshold;
  }
  
  /**
   * Get all DNS entries for this domain
   */
  public async getDnsEntries() {
    const dnsManager = this.manager.cloudlyRef.dnsManager;
    const dnsEntries = await dnsManager.CDnsEntry.getInstances({
      'data.zone': this.data.name,
    });
    return dnsEntries;
  }
}