//
//  CableUITestsScreenshotLaunchTests.swift
//  CableUITestsScreenshot
//
//  Created by Stefan Lange-Hegermann on 06.10.25.
//

import XCTest

final class CableUITestsScreenshotLaunchTests: XCTestCase {
    private func launchApp(arguments: [String] = []) -> XCUIApplication {
        let app = XCUIApplication()
        var launchArguments = ["--uitest-reset-data"]
        launchArguments.append(contentsOf: arguments)
        app.launchArguments = launchArguments
        app.launch()
        return app
    }

    private func resolvedSystemsList(in app: XCUIApplication) -> XCUIElement {
        let collection = app.collectionViews["systems-list"]
        if collection.waitForExistence(timeout: 6) {
            return collection
        }

        let table = app.tables["systems-list"]
        XCTAssertTrue(table.waitForExistence(timeout: 6))
        return table
    }

    private func resolvedLoadsList(in app: XCUIApplication) -> XCUIElement {
        let collection = app.collectionViews["loads-list"]
        if collection.waitForExistence(timeout: 6) {
            return collection
        }

        let table = app.tables["loads-list"]
        XCTAssertTrue(table.waitForExistence(timeout: 6))
        return table
    }

    
    private func takeScreenshot(name: String,
                                lifetime: XCTAttachment.Lifetime = .keepAlways) {
        let screenshot = XCUIScreen.main.screenshot()
        let attachment = XCTAttachment(screenshot: screenshot)
        attachment.name = name
        attachment.lifetime = lifetime
        add(attachment)
    }
    
    override class var runsForEachTargetApplicationUIConfiguration: Bool {
        false
    }
    
    override func setUpWithError() throws {
        continueAfterFailure = false
    }
    
    
    @MainActor
    func testOnboardingLoadsView() throws {
        let app = launchApp(arguments: ["--uitest-reset-data"])
        takeScreenshot(name: "01-OnboardingSystemsView")

        let createSystemButton = app.buttons["create-system-button"]
        XCTAssertTrue(createSystemButton.waitForExistence(timeout: 5))
        createSystemButton.tap()
        takeScreenshot(name: "02-OnboardingLoadsView")
        
        let componentsTab = app.buttons["components-tab"]
        XCTAssertTrue(componentsTab.waitForExistence(timeout: 3))
        componentsTab.tap()
        
        let libraryCloseButton = app.buttons["library-view-close-button"]
        let browseLibraryButton = onboardingSecondaryButton(in: app)
        XCTAssertTrue(browseLibraryButton.waitForExistence(timeout: 5))
        browseLibraryButton.tap()
        XCTAssertTrue(libraryCloseButton.waitForExistence(timeout: 5))
        Thread.sleep(forTimeInterval: 10)
        takeScreenshot(name: "04-ComponentSelectorView")
        libraryCloseButton.tap()

        let createComponentButton = onboardingPrimaryButton(in: app)
        XCTAssertTrue(createComponentButton.waitForExistence(timeout: 5))
        createComponentButton.tap()
        takeScreenshot(name: "03-LoadEditorView")
    }

    func testWithSampleData() throws {
        let app = launchApp(arguments: ["--uitest-sample-data"])

        let systemsList = resolvedSystemsList(in: app)

        let firstSystemCell = systemsList.cells.element(boundBy: 0)
        XCTAssertTrue(firstSystemCell.waitForExistence(timeout: 3))
        let systemName = firstSystemCell.staticTexts.firstMatch.label

        takeScreenshot(name: "05-SystemsWithSampleData")

        let rowButton = firstSystemCell.buttons.firstMatch
        if rowButton.waitForExistence(timeout: 2) {
            rowButton.tap()
        } else {
            firstSystemCell.tap()
        }

        let navButton = app.navigationBars.buttons[systemName]
        if !navButton.waitForExistence(timeout: 3) {
            let coordinate = firstSystemCell.coordinate(withNormalizedOffset: CGVector(dx: 0.5, dy: 0.5))
            coordinate.tap()
            XCTAssertTrue(navButton.waitForExistence(timeout: 3))
        }

        tapComponentsTab(in: app)

        let loadsElement = resolvedLoadsList(in: app)
        XCTAssertTrue(loadsElement.waitForExistence(timeout: 6))

        XCTAssertTrue(loadsElement.cells.firstMatch.waitForExistence(timeout: 3))
        Thread.sleep(forTimeInterval: 1)
        takeScreenshot(name: "06-AdventureVanLoads")

        let bomButton = app.buttons["system-bom-button"]
        XCTAssertTrue(bomButton.waitForExistence(timeout: 2))
        bomButton.tap()

//        let bomView = app.otherElements["system-bom-view"]
//        XCTAssertTrue(bomView.waitForExistence(timeout: 3))
//        
//        Thread.sleep(forTimeInterval: 1)
//        takeScreenshot(name: "07-AdventureVanBillOfMaterials")
    }

    private func tapComponentsTab(in app: XCUIApplication) {
        let button = componentsTabButton(in: app)
        XCTAssertTrue(button.waitForExistence(timeout: 3))
        button.tap()
    }

    private func onboardingPrimaryButton(in app: XCUIApplication) -> XCUIElement {
        let button = app.buttons["create-component-button"]
        if button.exists { return button }
        return app.buttons["onboarding-primary-button"]
    }

    private func onboardingSecondaryButton(in app: XCUIApplication) -> XCUIElement {
        let button = app.buttons["select-component-button"]
        if button.exists { return button }
        return app.buttons["onboarding-secondary-button"]
    }

    private func componentsTabButton(in app: XCUIApplication) -> XCUIElement {
        let idButton = app.buttons["components-tab"]
        if idButton.exists {
            return idButton
        }

        let labels = ["Components", "Verbraucher", "Componentes", "Composants", "Componenten"]
        for label in labels {
            let button = app.buttons[label]
            if button.exists { return button }
        }
        return app.tabBars.buttons.element(boundBy: 1)
    }
}