//
//  MapSnapshotServiceTests.swift
//  SportsTimeTests
//
//  TDD specification tests for MapSnapshotService types.
//

import Testing
import Foundation
@testable import SportsTime

// MARK: - MapSnapshotError Tests

@Suite("MapSnapshotError")
struct MapSnapshotErrorTests {

    // MARK: - Specification Tests: errorDescription

    /// - Expected Behavior: noStops explains no stops provided
    @Test("errorDescription: noStops mentions stops")
    func errorDescription_noStops() {
        let error = MapSnapshotService.MapSnapshotError.noStops
        #expect(error.errorDescription != nil)
        #expect(error.errorDescription!.lowercased().contains("stop") || error.errorDescription!.lowercased().contains("no"))
    }

    /// - Expected Behavior: snapshotFailed includes the reason
    @Test("errorDescription: snapshotFailed includes reason")
    func errorDescription_snapshotFailed() {
        let error = MapSnapshotService.MapSnapshotError.snapshotFailed("Test reason")
        #expect(error.errorDescription != nil)
        #expect(error.errorDescription!.contains("Test reason") || error.errorDescription!.lowercased().contains("snapshot"))
    }

    /// - Expected Behavior: invalidCoordinates explains the issue
    @Test("errorDescription: invalidCoordinates mentions coordinates")
    func errorDescription_invalidCoordinates() {
        let error = MapSnapshotService.MapSnapshotError.invalidCoordinates
        #expect(error.errorDescription != nil)
        #expect(error.errorDescription!.lowercased().contains("coordinate") || error.errorDescription!.lowercased().contains("invalid"))
    }

    // MARK: - Invariant Tests

    /// - Invariant: All errors have non-empty descriptions
    @Test("Invariant: all errors have descriptions")
    func invariant_allHaveDescriptions() {
        let errors: [MapSnapshotService.MapSnapshotError] = [
            .noStops,
            .snapshotFailed("test"),
            .invalidCoordinates
        ]

        for error in errors {
            #expect(error.errorDescription != nil)
            #expect(!error.errorDescription!.isEmpty)
        }
    }

    /// - Invariant: snapshotFailed preserves the reason message
    @Test("Invariant: snapshotFailed preserves reason")
    func invariant_snapshotFailedPreservesReason() {
        let testReason = "Network timeout 12345"
        let error = MapSnapshotService.MapSnapshotError.snapshotFailed(testReason)
        #expect(error.errorDescription!.contains(testReason))
    }
}