repoweaver/mobile/src/services/BootstrapperService.ts

A GitHub App that skillfully weaves multiple templates together to create and update repositories with intelligent merge strategies

import { MobileRepositoryConfig, ProjectProgress } from '../types';

// This service will eventually integrate with the core TypeScript bootstrapper
// For now, it simulates the operations with mock implementations

export class BootstrapperService {
  private static instance: BootstrapperService;

  static getInstance(): BootstrapperService {
    if (!BootstrapperService.instance) {
      BootstrapperService.instance = new BootstrapperService();
    }
    return BootstrapperService.instance;
  }

  async createProject(
    config: MobileRepositoryConfig,
    onProgress: (progress: Partial<ProjectProgress>) => void
  ): Promise<{ success: boolean; error?: string }> {
    try {
      // Simulate project creation process
      const totalSteps = config.templates.length + 1; // +1 for git init
      let currentStep = 0;

      // Step 1: Initialize project directory
      currentStep++;
      onProgress({
        status: 'in-progress',
        progress: Math.round((currentStep / totalSteps) * 100),
        currentStep: 'Creating project directory',
      });
      await this.delay(1000);

      // Process each template
      for (const template of config.templates) {
        currentStep++;
        onProgress({
          status: 'in-progress',
          progress: Math.round((currentStep / totalSteps) * 100),
          currentStep: `Processing template: ${template.name}`,
        });
        await this.delay(2000);

        // Simulate potential errors (10% chance)
        if (Math.random() < 0.1) {
          onProgress({
            status: 'error',
            progress: Math.round((currentStep / totalSteps) * 100),
            currentStep: `Failed to process template: ${template.name}`,
            errors: [`Failed to clone template repository: ${template.url}`],
          });
          return { success: false, error: `Failed to process template: ${template.name}` };
        }
      }

      // Git initialization (if enabled)
      if (config.gitRemote) {
        currentStep++;
        onProgress({
          status: 'in-progress',
          progress: Math.round((currentStep / totalSteps) * 100),
          currentStep: 'Initializing git repository',
        });
        await this.delay(1000);
      }

      // Completion
      onProgress({
        status: 'completed',
        progress: 100,
        currentStep: 'Project created successfully',
      });

      return { success: true };
    } catch (error) {
      onProgress({
        status: 'error',
        progress: 0,
        currentStep: 'Project creation failed',
        errors: [error instanceof Error ? error.message : 'Unknown error'],
      });
      return { success: false, error: error instanceof Error ? error.message : 'Unknown error' };
    }
  }

  async updateProject(
    config: MobileRepositoryConfig,
    onProgress: (progress: Partial<ProjectProgress>) => void
  ): Promise<{ success: boolean; error?: string }> {
    try {
      const totalSteps = config.templates.length;
      let currentStep = 0;

      // Process each template for updates
      for (const template of config.templates) {
        currentStep++;
        onProgress({
          status: 'in-progress',
          progress: Math.round((currentStep / totalSteps) * 100),
          currentStep: `Updating with template: ${template.name}`,
        });
        await this.delay(2000);

        // Simulate potential merge conflicts (15% chance)
        if (Math.random() < 0.15) {
          onProgress({
            status: 'error',
            progress: Math.round((currentStep / totalSteps) * 100),
            currentStep: `Merge conflict with template: ${template.name}`,
            errors: [`Merge conflict detected when applying template: ${template.name}`],
          });
          return { success: false, error: `Merge conflict with template: ${template.name}` };
        }
      }

      // Completion
      onProgress({
        status: 'completed',
        progress: 100,
        currentStep: 'Project updated successfully',
      });

      return { success: true };
    } catch (error) {
      onProgress({
        status: 'error',
        progress: 0,
        currentStep: 'Project update failed',
        errors: [error instanceof Error ? error.message : 'Unknown error'],
      });
      return { success: false, error: error instanceof Error ? error.message : 'Unknown error' };
    }
  }

  async validateTemplate(url: string, branch?: string): Promise<{ valid: boolean; error?: string }> {
    try {
      // Simulate template validation
      await this.delay(500);
      
      // Basic URL validation
      if (!url.startsWith('https://') && !url.startsWith('git@')) {
        return { valid: false, error: 'Invalid repository URL format' };
      }

      // Simulate 5% chance of invalid template
      if (Math.random() < 0.05) {
        return { valid: false, error: 'Repository not found or not accessible' };
      }

      return { valid: true };
    } catch (error) {
      return { 
        valid: false, 
        error: error instanceof Error ? error.message : 'Validation failed' 
      };
    }
  }

  async getRepositoryInfo(url: string): Promise<{
    name: string;
    description?: string;
    defaultBranch: string;
    branches: string[];
  } | null> {
    try {
      await this.delay(1000);
      
      // Extract repository name from URL
      const match = url.match(/\/([^\/]+?)(?:\.git)?$/);
      const name = match ? match[1] : 'unknown-repo';
      
      return {
        name,
        description: `Description for ${name}`,
        defaultBranch: 'main',
        branches: ['main', 'develop', 'feature/example'],
      };
    } catch {
      return null;
    }
  }

  private delay(ms: number): Promise<void> {
    return new Promise(resolve => setTimeout(resolve, ms));
  }
}

export const bootstrapperService = BootstrapperService.getInstance();