//
//  StorageServiceTests.swift
//  AutoCatCoreTests
//
//  Created by Selim Mustafaev on 13.07.2024.
//  Copyright © 2024 Selim Mustafaev. All rights reserved.
//

import Testing
import RealmSwift
import Foundation

@testable import AutoCatCore

struct StorageServiceTests {
    
    let existingVehicleNumber = "А123АА761"
    let nonExistingVehicleNumber = "А999АА761"
    let noteText = "Test note text"
    let testLat: Double = 42
    let testLon: Double = 24

    let storageService: StorageService
    
    init() async throws {
        
        var config: Realm.Configuration = .defaultConfiguration
        config.inMemoryIdentifier = UUID().uuidString
        
        self.storageService = try await StorageService(config: config)
        
        try addTestVehicle(config: config)
    }
    
    func addTestVehicle(config: Realm.Configuration) throws {
        
        var vehicle = Vehicle(existingVehicleNumber)
        vehicle.addedDate = 0
        vehicle.updatedDate = 0
        
        let realm = try Realm(configuration: config)
        try realm.write {
            realm.add(vehicle)
        }
    }
    
    @Test("Add note to vehicle")
    func addNote() async throws {
        
        let vehicle = try await storageService.addNote(text: noteText, to: existingVehicleNumber)
        
        #expect(vehicle.number == existingVehicleNumber)
        #expect(vehicle.notes.contains { $0.text == noteText })
    }
    
    @Test("Adding note to non-existent vehicle")
    func addNoteError() async throws {
        
        await #expect(throws: StorageError.vehicleNotFound) {
            _ = try await storageService.addNote(text: noteText, to: nonExistingVehicleNumber)
        }
    }
    
    @Test("Edit note")
    func editNote() async throws {
        
        let newNoteText = "New test text"
        
        var vehicle = try await storageService.addNote(text: noteText, to: existingVehicleNumber)
        let note = try #require(vehicle.notes.first { $0.text == noteText })
        
        vehicle = try await storageService.editNote(id: note.id, text: newNoteText, for: existingVehicleNumber)
        
        #expect(vehicle.number == existingVehicleNumber)
        #expect(vehicle.notes.contains { $0.text == newNoteText })
        #expect(!vehicle.notes.contains { $0.text == noteText })
    }
    
    @Test("Edit note of non-existent vehicle")
    func addNoteNonExistentVehicle() async throws {
        
        await #expect(throws: StorageError.vehicleNotFound) {
            _ = try await storageService.editNote(id: "", text: "", for: nonExistingVehicleNumber)
        }
    }
    
    @Test("Edit non-existent note")
    func editNonExistentNote() async throws {
        
        await #expect(throws: StorageError.noteNotFound) {
            _ = try await storageService.editNote(id: "", text: "", for: existingVehicleNumber)
        }
    }
    
    @Test("Delete note")
    func deleteNote() async throws {
        
        var vehicle = try await storageService.addNote(text: noteText, to: existingVehicleNumber)
        let note = try #require(vehicle.notes.first { $0.text == noteText })
        
        vehicle = try await storageService.deleteNote(id: note.id, for: existingVehicleNumber)
        
        #expect(vehicle.number == existingVehicleNumber)
        #expect(!vehicle.notes.contains { $0.text == noteText })
    }
    
    @Test("Delete note from non-existent vehicle")
    func deleteNoteNonExistentVehicle() async throws {
        
        await #expect(throws: StorageError.vehicleNotFound) {
            _ = try await storageService.deleteNote(id: "", for: nonExistingVehicleNumber)
        }
    }
    
    @Test("Delete non-existent note")
    func deleteNonExistentNote() async throws {
        
        await #expect(throws: StorageError.noteNotFound) {
            _ = try await storageService.deleteNote(id: "", for: existingVehicleNumber)
        }
    }
    
    @Test("Load existing vehicle")
    func loadExistingVehicle() async throws {
        
        let vehicle = try await storageService.loadVehicle(number: existingVehicleNumber)
        #expect(vehicle.number == existingVehicleNumber)
    }
    
    @Test("Load non-existent vehicle")
    func loadNonExistentVehicle() async throws {
        
        await #expect(throws: StorageError.vehicleNotFound) {
            _ = try await storageService.loadVehicle(number: nonExistingVehicleNumber)
        }
    }
}