import { Model, ModelOptions, QueryContext } from 'objection';
import { randomUUID } from 'crypto';

/**
 * Central database models using Objection.js
 * These models work with the central database (not tenant databases)
 */

export class CentralTenant extends Model {
  static tableName = 'tenants';

  id: string;
  name: string;
  slug: string;
  dbHost: string;
  dbPort: number;
  dbName: string;
  dbUsername: string;
  dbPassword: string;
  status: string;
  createdAt: Date;
  updatedAt: Date;

  // Relations
  domains?: CentralDomain[];

  $beforeInsert(queryContext: QueryContext) {
    this.id = this.id || randomUUID();
    // Auto-generate slug from name if not provided
    if (!this.slug && this.name) {
      this.slug = this.name.toLowerCase().replace(/[^a-z0-9]+/g, '-').replace(/^-|-$/g, '');
    }
    this.createdAt = new Date();
    this.updatedAt = new Date();
  }

  $beforeUpdate(opt: ModelOptions, queryContext: QueryContext) {
    this.updatedAt = new Date();
  }

  static get relationMappings() {
    return {
      domains: {
        relation: Model.HasManyRelation,
        modelClass: CentralDomain,
        join: {
          from: 'tenants.id',
          to: 'domains.tenantId',
        },
      },
    };
  }
}

export class CentralDomain extends Model {
  static tableName = 'domains';

  id: string;
  domain: string;
  tenantId: string;
  isPrimary: boolean;
  createdAt: Date;
  updatedAt: Date;

  // Relations
  tenant?: CentralTenant;

  $beforeInsert(queryContext: QueryContext) {
    this.id = this.id || randomUUID();
    this.createdAt = new Date();
    this.updatedAt = new Date();
  }

  $beforeUpdate(opt: ModelOptions, queryContext: QueryContext) {
    this.updatedAt = new Date();
  }

  static get relationMappings() {
    return {
      tenant: {
        relation: Model.BelongsToOneRelation,
        modelClass: CentralTenant,
        join: {
          from: 'domains.tenantId',
          to: 'tenants.id',
        },
      },
    };
  }
}

export class CentralUser extends Model {
  static tableName = 'users';

  id: string;
  email: string;
  password: string;
  firstName: string | null;
  lastName: string | null;
  role: string;
  isActive: boolean;
  createdAt: Date;
  updatedAt: Date;

  $beforeInsert(queryContext: QueryContext) {
    this.id = this.id || randomUUID();
    this.createdAt = new Date();
    this.updatedAt = new Date();
  }

  $beforeUpdate(opt: ModelOptions, queryContext: QueryContext) {
    this.updatedAt = new Date();
  }
}