/**
 * Game Deployment Pipeline Service
 * Manages game testing, approval, and staged rollout
 */

import { TRPCError } from '@trpc/server';

export type DeploymentStage = 'draft' | 'testing' | 'pending_approval' | 'beta' | 'production';
export type TestStatus = 'pending' | 'running' | 'passed' | 'failed';
export type ApprovalStatus = 'pending' | 'approved' | 'rejected' | 'needs_revision';

interface GameDeployment {
  id: string;
  gameId: string;
  gameName: string;
  version: number;
  stage: DeploymentStage;
  createdBy: string;
  createdAt: Date;
  updatedAt: Date;
  testStatus: TestStatus;
  approvalStatus: ApprovalStatus;
  rolloutPercentage: number;
  notes: string;
  testResults: TestResult[];
  approvalNotes: string;
}

interface TestResult {
  testId: string;
  name: string;
  status: TestStatus;
  duration: number;
  message?: string;
  timestamp: Date;
}

interface RolloutConfig {
  stage: 'beta' | 'production';
  percentage: number;
  startDate: Date;
  endDate?: Date;
  targetUsers?: number;
}

class GameDeploymentPipelineService {
  private deployments: Map<string, GameDeployment> = new Map();

  /**
   * Create a new deployment
   */
  async createDeployment(gameId: string, gameName: string, createdBy: string): Promise<GameDeployment> {
    const deployment: GameDeployment = {
      id: `deploy_${Date.now()}`,
      gameId,
      gameName,
      version: 1,
      stage: 'draft',
      createdBy,
      createdAt: new Date(),
      updatedAt: new Date(),
      testStatus: 'pending',
      approvalStatus: 'pending',
      rolloutPercentage: 0,
      notes: '',
      testResults: [],
      approvalNotes: '',
    };

    this.deployments.set(deployment.id, deployment);
    return deployment;
  }

  /**
   * Run automated tests on a game
   */
  async runTests(deploymentId: string): Promise<TestResult[]> {
    const deployment = this.deployments.get(deploymentId);
    if (!deployment) {
      throw new TRPCError({
        code: 'NOT_FOUND',
        message: 'Deployment not found',
      });
    }

    deployment.testStatus = 'running';
    deployment.updatedAt = new Date();

    const tests = [
      this.testGameInitialization(deploymentId),
      this.testWalletIntegration(deploymentId),
      this.testBettingMechanics(deploymentId),
      this.testWinCalculation(deploymentId),
      this.testAnimations(deploymentId),
      this.testSoundEffects(deploymentId),
      this.testMobileResponsiveness(deploymentId),
      this.testPerformance(deploymentId),
    ];

    const results = await Promise.all(tests);

    deployment.testResults = results;
    deployment.testStatus = results.every((r) => r.status === 'passed') ? 'passed' : 'failed';
    deployment.updatedAt = new Date();

    return results;
  }

  /**
   * Test game initialization
   */
  private async testGameInitialization(deploymentId: string): Promise<TestResult> {
    const startTime = Date.now();
    try {
      // Simulate game initialization test
      await new Promise((resolve) => setTimeout(resolve, 100));

      return {
        testId: 'init_test',
        name: 'Game Initialization',
        status: 'passed',
        duration: Date.now() - startTime,
        timestamp: new Date(),
      };
    } catch (error) {
      return {
        testId: 'init_test',
        name: 'Game Initialization',
        status: 'failed',
        duration: Date.now() - startTime,
        message: 'Failed to initialize game',
        timestamp: new Date(),
      };
    }
  }

  /**
   * Test wallet integration
   */
  private async testWalletIntegration(deploymentId: string): Promise<TestResult> {
    const startTime = Date.now();
    try {
      // Simulate wallet integration test
      await new Promise((resolve) => setTimeout(resolve, 150));

      return {
        testId: 'wallet_test',
        name: 'Wallet Integration',
        status: 'passed',
        duration: Date.now() - startTime,
        timestamp: new Date(),
      };
    } catch (error) {
      return {
        testId: 'wallet_test',
        name: 'Wallet Integration',
        status: 'failed',
        duration: Date.now() - startTime,
        message: 'Wallet integration failed',
        timestamp: new Date(),
      };
    }
  }

  /**
   * Test betting mechanics
   */
  private async testBettingMechanics(deploymentId: string): Promise<TestResult> {
    const startTime = Date.now();
    try {
      await new Promise((resolve) => setTimeout(resolve, 120));

      return {
        testId: 'betting_test',
        name: 'Betting Mechanics',
        status: 'passed',
        duration: Date.now() - startTime,
        timestamp: new Date(),
      };
    } catch (error) {
      return {
        testId: 'betting_test',
        name: 'Betting Mechanics',
        status: 'failed',
        duration: Date.now() - startTime,
        message: 'Betting mechanics test failed',
        timestamp: new Date(),
      };
    }
  }

  /**
   * Test win calculation
   */
  private async testWinCalculation(deploymentId: string): Promise<TestResult> {
    const startTime = Date.now();
    try {
      await new Promise((resolve) => setTimeout(resolve, 100));

      return {
        testId: 'win_calc_test',
        name: 'Win Calculation',
        status: 'passed',
        duration: Date.now() - startTime,
        timestamp: new Date(),
      };
    } catch (error) {
      return {
        testId: 'win_calc_test',
        name: 'Win Calculation',
        status: 'failed',
        duration: Date.now() - startTime,
        message: 'Win calculation test failed',
        timestamp: new Date(),
      };
    }
  }

  /**
   * Test animations
   */
  private async testAnimations(deploymentId: string): Promise<TestResult> {
    const startTime = Date.now();
    try {
      await new Promise((resolve) => setTimeout(resolve, 80));

      return {
        testId: 'anim_test',
        name: 'Animations',
        status: 'passed',
        duration: Date.now() - startTime,
        timestamp: new Date(),
      };
    } catch (error) {
      return {
        testId: 'anim_test',
        name: 'Animations',
        status: 'failed',
        duration: Date.now() - startTime,
        message: 'Animation test failed',
        timestamp: new Date(),
      };
    }
  }

  /**
   * Test sound effects
   */
  private async testSoundEffects(deploymentId: string): Promise<TestResult> {
    const startTime = Date.now();
    try {
      await new Promise((resolve) => setTimeout(resolve, 90));

      return {
        testId: 'sound_test',
        name: 'Sound Effects',
        status: 'passed',
        duration: Date.now() - startTime,
        timestamp: new Date(),
      };
    } catch (error) {
      return {
        testId: 'sound_test',
        name: 'Sound Effects',
        status: 'failed',
        duration: Date.now() - startTime,
        message: 'Sound test failed',
        timestamp: new Date(),
      };
    }
  }

  /**
   * Test mobile responsiveness
   */
  private async testMobileResponsiveness(deploymentId: string): Promise<TestResult> {
    const startTime = Date.now();
    try {
      await new Promise((resolve) => setTimeout(resolve, 110));

      return {
        testId: 'mobile_test',
        name: 'Mobile Responsiveness',
        status: 'passed',
        duration: Date.now() - startTime,
        timestamp: new Date(),
      };
    } catch (error) {
      return {
        testId: 'mobile_test',
        name: 'Mobile Responsiveness',
        status: 'failed',
        duration: Date.now() - startTime,
        message: 'Mobile test failed',
        timestamp: new Date(),
      };
    }
  }

  /**
   * Test performance
   */
  private async testPerformance(deploymentId: string): Promise<TestResult> {
    const startTime = Date.now();
    try {
      await new Promise((resolve) => setTimeout(resolve, 100));

      return {
        testId: 'perf_test',
        name: 'Performance',
        status: 'passed',
        duration: Date.now() - startTime,
        timestamp: new Date(),
      };
    } catch (error) {
      return {
        testId: 'perf_test',
        name: 'Performance',
        status: 'failed',
        duration: Date.now() - startTime,
        message: 'Performance test failed',
        timestamp: new Date(),
      };
    }
  }

  /**
   * Submit for approval
   */
  async submitForApproval(deploymentId: string, notes: string): Promise<GameDeployment> {
    const deployment = this.deployments.get(deploymentId);
    if (!deployment) {
      throw new TRPCError({
        code: 'NOT_FOUND',
        message: 'Deployment not found',
      });
    }

    if (deployment.testStatus !== 'passed') {
      throw new TRPCError({
        code: 'BAD_REQUEST',
        message: 'Cannot submit for approval: tests must pass first',
      });
    }

    deployment.stage = 'pending_approval';
    deployment.approvalStatus = 'pending';
    deployment.notes = notes;
    deployment.updatedAt = new Date();

    return deployment;
  }

  /**
   * Approve deployment
   */
  async approveDeployment(deploymentId: string, approverNotes: string): Promise<GameDeployment> {
    const deployment = this.deployments.get(deploymentId);
    if (!deployment) {
      throw new TRPCError({
        code: 'NOT_FOUND',
        message: 'Deployment not found',
      });
    }

    deployment.approvalStatus = 'approved';
    deployment.stage = 'beta';
    deployment.approvalNotes = approverNotes;
    deployment.rolloutPercentage = 10; // Start with 10% rollout
    deployment.updatedAt = new Date();

    return deployment;
  }

  /**
   * Reject deployment
   */
  async rejectDeployment(deploymentId: string, rejectionReason: string): Promise<GameDeployment> {
    const deployment = this.deployments.get(deploymentId);
    if (!deployment) {
      throw new TRPCError({
        code: 'NOT_FOUND',
        message: 'Deployment not found',
      });
    }

    deployment.approvalStatus = 'rejected';
    deployment.approvalNotes = rejectionReason;
    deployment.updatedAt = new Date();

    return deployment;
  }

  /**
   * Configure rollout
   */
  async configureRollout(deploymentId: string, config: RolloutConfig): Promise<GameDeployment> {
    const deployment = this.deployments.get(deploymentId);
    if (!deployment) {
      throw new TRPCError({
        code: 'NOT_FOUND',
        message: 'Deployment not found',
      });
    }

    if (config.percentage < 0 || config.percentage > 100) {
      throw new TRPCError({
        code: 'BAD_REQUEST',
        message: 'Rollout percentage must be between 0 and 100',
      });
    }

    deployment.stage = config.stage;
    deployment.rolloutPercentage = config.percentage;
    deployment.updatedAt = new Date();

    return deployment;
  }

  /**
   * Get deployment status
   */
  async getDeploymentStatus(deploymentId: string): Promise<GameDeployment> {
    const deployment = this.deployments.get(deploymentId);
    if (!deployment) {
      throw new TRPCError({
        code: 'NOT_FOUND',
        message: 'Deployment not found',
      });
    }

    return deployment;
  }

  /**
   * Get all deployments
   */
  async getAllDeployments(): Promise<GameDeployment[]> {
    return Array.from(this.deployments.values());
  }

  /**
   * Get deployments by stage
   */
  async getDeploymentsByStage(stage: DeploymentStage): Promise<GameDeployment[]> {
    return Array.from(this.deployments.values()).filter((d) => d.stage === stage);
  }
}

export const gameDeploymentPipelineService = new GameDeploymentPipelineService();