//
//  NotesTests.swift
//  AutoCatTests
//
//  Created by Selim Mustafaev on 13.07.2024.
//  Copyright © 2024 Selim Mustafaev. All rights reserved.
//

import Testing
import AutoCatCore
import Mockable
@testable import AutoCat

@MainActor
final class NotesTests {

    var storageServiceMock: MockStorageServiceProtocol
    var apiServiceMock: MockApiServiceProtocol
    
    var viewModel: NotesViewModel
    
    let noteText = "Test note text"
    let noteTextModified = "Test note text modified"
    
    lazy var vehicleWithNote: VehicleDto = .normal.addNote(text: noteText)
    lazy var unrecognizedVehicleWithNote: VehicleDto = .unrecognized.addNote(text: noteText)
    
    init() {
        storageServiceMock = MockStorageServiceProtocol()
        apiServiceMock = MockApiServiceProtocol()
        
        viewModel = NotesViewModel(
            storageService: storageServiceMock,
            apiService: apiServiceMock,
            vehicle: VehicleDto()
        )
    }
    
    @Test("Add note (normal vehicle)")
    func addNote() async {
        
        given(apiServiceMock)
            .add(notes: .any, to: .any)
            .willReturn(vehicleWithNote)
        
        given(storageServiceMock)
            .updateVehicleIfExists(dto: .any)
            .willReturn()
        
        viewModel.vehicle = .normal
        
        await viewModel.addNote(text: noteText)
        
        verify(apiServiceMock)
            .add(notes: .any, to: .any).called(.once)
        
        verify(storageServiceMock)
            .addNote(text: .any, to: .any).called(.never)
            .updateVehicleIfExists(dto: .any).called(.once)
        
        #expect(viewModel.vehicle.notes.contains { $0.text == noteText })
        #expect(viewModel.hud == nil)
    }

    @Test("Add note (unrecognized vehicle)")
    func addNoteUnrecognized() async throws {
        
        given(storageServiceMock)
            .addNote(text: .any, to: .any)
            .willReturn(vehicleWithNote)
        
        viewModel.vehicle = .unrecognized
        
        await viewModel.addNote(text: noteText)
        
        verify(apiServiceMock)
            .add(notes: .any, to: .any).called(.never)
        
        verify(storageServiceMock)
            .addNote(text: .any, to: .any).called(.once)
            .updateVehicleIfExists(dto: .any).called(.never)
        
        #expect(viewModel.vehicle.notes.contains { $0.text == noteText })
        #expect(viewModel.hud == nil)
    }
    
    @Test("Edit note (normal vehicle)")
    func editNote() async throws {
        
        let noteId = try #require(vehicleWithNote.notes.first?.id)
        let modifiedVehicle: VehicleDto = .normal.addNote(text: noteTextModified, id: noteId)
        
        given(apiServiceMock)
            .edit(note: .any)
            .willReturn(modifiedVehicle)
        
        given(storageServiceMock)
            .updateVehicleIfExists(dto: .any)
            .willReturn()
        
        viewModel.vehicle = vehicleWithNote
        
        await viewModel.editNote(id: noteId, text: noteTextModified)
        
        verify(apiServiceMock)
            .edit(note: .any).called(.once)
        
        verify(storageServiceMock)
            .editNote(id: .any, text: .any, for: .any).called(.never)
            .updateVehicleIfExists(dto: .any).called(.once)
        
        #expect(viewModel.vehicle.notes.contains { $0.text == noteTextModified })
        #expect(viewModel.hud == nil)
    }
    
    @Test("Edit note (unrecognized vehicle)")
    func editNoteUnrecognized() async throws {
        
        let vehicle: VehicleDto = .unrecognized.addNote(text: noteText)
        let noteId = try #require(vehicle.notes.first?.id)
        
        given(storageServiceMock)
            .editNote(id: .value(noteId), text: .value(noteTextModified), for: .any)
            .willReturn(.unrecognized.addNote(text: noteTextModified, id: noteId))
        
        viewModel.vehicle = vehicle
        
        await viewModel.editNote(id: noteId, text: noteTextModified)
        
        verify(apiServiceMock)
            .edit(note: .any).called(.never)
        
        verify(storageServiceMock)
            .editNote(id: .any, text: .any, for: .any).called(.once)
            .updateVehicleIfExists(dto: .any).called(.never)
        
        #expect(viewModel.vehicle.notes.contains { $0.text == noteTextModified })
        #expect(viewModel.hud == nil)
    }
    
    @Test("Delete note (normal vehicle)")
    func deleteNote() async throws {
        
        let noteId = try #require(vehicleWithNote.notes.first?.id)
        
        given(apiServiceMock)
            .remove(note: .value(noteId))
            .willReturn(.normal)
        
        given(storageServiceMock)
            .updateVehicleIfExists(dto: .any)
            .willReturn()
        
        viewModel.vehicle = vehicleWithNote
        
        await viewModel.deleteNote(id: noteId)
        
        verify(apiServiceMock)
            .remove(note: .any).called(.once)
        
        verify(storageServiceMock)
            .deleteNote(id: .any, for: .any).called(.never)
            .updateVehicleIfExists(dto: .any).called(.once)
        
        #expect(!viewModel.vehicle.notes.contains { $0.text == noteText })
        #expect(viewModel.hud == nil)
    }
    
    @Test("Delete note (unrecognized vehicle)")
    func deleteNoteUnrecognized() async throws {
     
        let noteId = try #require(unrecognizedVehicleWithNote.notes.first?.id)
        
        given(storageServiceMock)
            .deleteNote(id: .value(noteId), for: .any)
            .willReturn(.unrecognized)
        
        viewModel.vehicle = unrecognizedVehicleWithNote
        
        await viewModel.deleteNote(id: noteId)
        
        verify(apiServiceMock)
            .remove(note: .any).called(.never)
        
        verify(storageServiceMock)
            .deleteNote(id: .value(noteId), for: .any).called(.once)
            .updateVehicleIfExists(dto: .any).called(.never)
        
        #expect(!viewModel.vehicle.notes.contains { $0.text == noteText })
        #expect(viewModel.hud == nil)
    }
}