/// Submissions Remote Data Source
///
/// Handles remote API calls for project submissions.
library;

import 'package:worker/features/projects/domain/entities/project_submission.dart';

/// Submissions Remote Data Source
///
/// Abstract interface for remote submissions operations.
abstract class SubmissionsRemoteDataSource {
  /// Fetch all submissions from remote API
  Future<List<ProjectSubmission>> getSubmissions();

  /// Fetch a single submission by ID
  Future<ProjectSubmission> getSubmissionById(String submissionId);

  /// Create a new submission
  Future<ProjectSubmission> createSubmission(ProjectSubmission submission);

  /// Update an existing submission
  Future<ProjectSubmission> updateSubmission(ProjectSubmission submission);

  /// Delete a submission
  Future<void> deleteSubmission(String submissionId);
}

/// Mock Implementation of Submissions Remote Data Source
///
/// Provides mock data for development and testing.
class SubmissionsRemoteDataSourceImpl implements SubmissionsRemoteDataSource {
  @override
  Future<List<ProjectSubmission>> getSubmissions() async {
    // Simulate network delay
    await Future<void>.delayed(const Duration(milliseconds: 500));

    return [
      ProjectSubmission(
        submissionId: 'DA001',
        userId: 'user123',
        projectName: 'Chung cư Vinhomes Grand Park - Block A1',
        projectAddress: 'TP.HCM',
        projectValue: 850000000,
        projectType: ProjectType.residential,
        status: SubmissionStatus.approved,
        beforePhotos: [],
        afterPhotos: [],
        invoices: [],
        submittedAt: DateTime(2023, 11, 15),
        reviewedAt: DateTime(2023, 11, 20),
        pointsEarned: 8500,
      ),
      ProjectSubmission(
        submissionId: 'DA002',
        userId: 'user123',
        projectName: 'Trung tâm thương mại Bitexco',
        projectAddress: 'TP.HCM',
        projectValue: 2200000000,
        projectType: ProjectType.commercial,
        status: SubmissionStatus.pending,
        beforePhotos: [],
        afterPhotos: [],
        invoices: [],
        submittedAt: DateTime(2023, 11, 25),
      ),
      ProjectSubmission(
        submissionId: 'DA003',
        userId: 'user123',
        projectName: 'Biệt thự sinh thái Ecopark',
        projectAddress: 'Hà Nội',
        projectValue: 420000000,
        projectType: ProjectType.residential,
        status: SubmissionStatus.approved,
        beforePhotos: [],
        afterPhotos: [],
        invoices: [],
        submittedAt: DateTime(2023, 10, 10),
        reviewedAt: DateTime(2023, 10, 15),
        pointsEarned: 4200,
      ),
      ProjectSubmission(
        submissionId: 'DA004',
        userId: 'user123',
        projectName: 'Nhà xưởng sản xuất ABC',
        projectAddress: 'Bình Dương',
        projectValue: 1500000000,
        projectType: ProjectType.industrial,
        status: SubmissionStatus.rejected,
        beforePhotos: [],
        afterPhotos: [],
        invoices: [],
        submittedAt: DateTime(2023, 11, 20),
        reviewedAt: DateTime(2023, 11, 28),
        rejectionReason: 'Thiếu giấy phép xây dựng và báo cáo tác động môi trường',
      ),
      ProjectSubmission(
        submissionId: 'DA005',
        userId: 'user123',
        projectName: 'Khách sạn 5 sao Diamond Plaza',
        projectAddress: 'Đà Nẵng',
        projectValue: 5800000000,
        projectType: ProjectType.commercial,
        status: SubmissionStatus.pending,
        beforePhotos: [],
        afterPhotos: [],
        invoices: [],
        submittedAt: DateTime(2023, 12, 1),
      ),
      ProjectSubmission(
        submissionId: 'DA006',
        userId: 'user123',
        projectName: 'Khu đô thị thông minh Smart City',
        projectAddress: 'Hà Nội',
        projectValue: 8500000000,
        projectType: ProjectType.residential,
        status: SubmissionStatus.approved,
        beforePhotos: [],
        afterPhotos: [],
        invoices: [],
        submittedAt: DateTime(2023, 11, 10),
        reviewedAt: DateTime(2023, 11, 18),
        pointsEarned: 85000,
      ),
    ];
  }

  @override
  Future<ProjectSubmission> getSubmissionById(String submissionId) async {
    // Simulate network delay
    await Future<void>.delayed(const Duration(milliseconds: 300));

    final submissions = await getSubmissions();
    return submissions.firstWhere(
      (s) => s.submissionId == submissionId,
      orElse: () => throw Exception('Submission not found'),
    );
  }

  @override
  Future<ProjectSubmission> createSubmission(
    ProjectSubmission submission,
  ) async {
    // Simulate network delay
    await Future<void>.delayed(const Duration(milliseconds: 800));

    // In real implementation, this would call the API
    return submission;
  }

  @override
  Future<ProjectSubmission> updateSubmission(
    ProjectSubmission submission,
  ) async {
    // Simulate network delay
    await Future<void>.delayed(const Duration(milliseconds: 600));

    // In real implementation, this would call the API
    return submission;
  }

  @override
  Future<void> deleteSubmission(String submissionId) async {
    // Simulate network delay
    await Future<void>.delayed(const Duration(milliseconds: 400));

    // In real implementation, this would call the API
  }
}