/**
 * Application Use Case: SubmitProtestDefenseUseCase
 * 
 * Allows the accused driver to submit their defense statement for a protest.
 */

import type { IProtestRepository } from '../../domain/repositories/IProtestRepository';

export interface SubmitProtestDefenseCommand {
  protestId: string;
  driverId: string;
  statement: string;
  videoUrl?: string;
}

export interface SubmitProtestDefenseResult {
  success: boolean;
  protestId: string;
}

export class SubmitProtestDefenseUseCase {
  constructor(
    private readonly protestRepository: IProtestRepository,
  ) {}

  async execute(command: SubmitProtestDefenseCommand): Promise<SubmitProtestDefenseResult> {
    // Get the protest
    const protest = await this.protestRepository.findById(command.protestId);
    if (!protest) {
      throw new Error('Protest not found');
    }

    // Verify the submitter is the accused driver
    if (protest.accusedDriverId !== command.driverId) {
      throw new Error('Only the accused driver can submit a defense');
    }

    // Check if defense can be submitted
    if (!protest.canSubmitDefense()) {
      throw new Error('Defense cannot be submitted for this protest');
    }

    // Submit defense
    const updatedProtest = protest.submitDefense(command.statement, command.videoUrl);
    await this.protestRepository.update(updatedProtest);

    return {
      success: true,
      protestId: protest.id,
    };
  }
}