//
//  AndromidaUITests.swift
//  AndromidaUITests
//
//  Created by Matt Bruce on 1/25/26.
//

import XCTest

final class AndromidaUITests: XCTestCase {

    override func setUpWithError() throws {
        continueAfterFailure = false
    }

    @MainActor
    func testOnboardingFlowCompletes() throws {
        let onboardingApp = makeApp(resetDefaults: true, hasCompletedSetupWizard: false)
        onboardingApp.launch()

        let getStarted = onboardingApp.buttons["onboarding.getStarted"]
        XCTAssertTrue(getStarted.waitForExistence(timeout: 8))

        onboardingApp.terminate()

        let completedApp = makeApp(resetDefaults: false, hasCompletedSetupWizard: true)
        completedApp.launch()

        let ritualsTab = completedApp.tabBars.buttons["Rituals"]
        XCTAssertTrue(ritualsTab.waitForExistence(timeout: 8))
    }

    @MainActor
    func testOnboardingHappyPath() throws {
        let app = makeApp(resetDefaults: true, hasCompletedSetupWizard: false)
        app.launch()

        XCTAssertTrue(app.buttons["onboarding.getStarted"].waitForExistence(timeout: 8))
        app.buttons["onboarding.getStarted"].tap()

        tapFirstAvailableElement(
            app: app,
            identifiers: ["onboarding.goal.health"],
            fallbackLabels: ["Health"]
        )
        XCTAssertTrue(app.buttons["onboarding.goalContinue"].waitForExistence(timeout: 8))
        app.buttons["onboarding.goalContinue"].tap()

        tapFirstAvailableElement(
            app: app,
            identifiers: ["onboarding.time.morning"],
            fallbackLabels: ["Morning"]
        )
        XCTAssertTrue(app.buttons["onboarding.timeContinue"].waitForExistence(timeout: 8))
        app.buttons["onboarding.timeContinue"].tap()

        if app.buttons["onboarding.startRitual"].waitForExistence(timeout: 8) {
            app.buttons["onboarding.startRitual"].tap()
        } else {
            XCTAssertTrue(app.buttons["onboarding.skipRitual"].waitForExistence(timeout: 8))
            app.buttons["onboarding.skipRitual"].tap()
        }

        if app.buttons["onboarding.firstCheckInSkip"].waitForExistence(timeout: 8) {
            app.buttons["onboarding.firstCheckInSkip"].tap()
        } else {
            XCTAssertTrue(app.buttons["onboarding.firstCheckInContinueToRituals"].waitForExistence(timeout: 8))
            app.buttons["onboarding.firstCheckInContinueToRituals"].tap()
        }

        XCTAssertTrue(app.buttons["onboarding.notificationsMaybeLater"].waitForExistence(timeout: 8))
        app.buttons["onboarding.notificationsMaybeLater"].tap()

        XCTAssertTrue(app.buttons["onboarding.letsGo"].waitForExistence(timeout: 8))
        app.buttons["onboarding.letsGo"].tap()

        XCTAssertTrue(app.tabBars.buttons["Rituals"].waitForExistence(timeout: 8))
    }

    @MainActor
    func testCreateRitualFromRitualsTab() throws {
        let app = makeApp(resetDefaults: true, hasCompletedSetupWizard: true)
        app.launch()

        let ritualsTab = app.tabBars.buttons["Rituals"]
        XCTAssertTrue(ritualsTab.waitForExistence(timeout: 8))
        ritualsTab.tap()

        let addMenu = app.buttons["rituals.addMenu"]
        XCTAssertTrue(addMenu.waitForExistence(timeout: 8))
        addMenu.tap()

        let createNew = app.buttons["rituals.createNew"]
        XCTAssertTrue(createNew.waitForExistence(timeout: 8))
        createNew.tap()

        let titleField = app.textFields["ritualEditor.titleField"]
        XCTAssertTrue(titleField.waitForExistence(timeout: 8))
        titleField.tap()
        titleField.typeText("UI Test Ritual")

        let themeField = app.textFields["ritualEditor.themeField"]
        XCTAssertTrue(themeField.waitForExistence(timeout: 8))
        themeField.tap()
        themeField.typeText("Daily focus")

        let newHabitField = app.textFields["ritualEditor.newHabitField"]
        XCTAssertTrue(newHabitField.waitForExistence(timeout: 8))
        newHabitField.tap()
        newHabitField.typeText("Stretch")

        let addHabitButton = app.buttons["ritualEditor.addHabitButton"]
        XCTAssertTrue(addHabitButton.waitForExistence(timeout: 8))
        addHabitButton.tap()

        let saveButton = app.buttons["ritualEditor.saveButton"]
        XCTAssertTrue(saveButton.waitForExistence(timeout: 8))
        saveButton.tap()

        XCTAssertTrue(app.staticTexts["UI Test Ritual"].waitForExistence(timeout: 8))
    }

    @MainActor
    func testLaunchPerformance() throws {
        let app = makeApp(resetDefaults: true, hasCompletedSetupWizard: true)
        measure(metrics: [XCTApplicationLaunchMetric()]) {
            app.launch()
            app.terminate()
        }
    }

    private func makeApp(resetDefaults: Bool, hasCompletedSetupWizard: Bool) -> XCUIApplication {
        let app = XCUIApplication()
        app.launchEnvironment["UITEST_MODE"] = "1"
        if resetDefaults {
            app.launchEnvironment["UITEST_RESET_USER_DEFAULTS"] = "1"
        }
        app.launchEnvironment["UITEST_HAS_COMPLETED_SETUP_WIZARD"] = hasCompletedSetupWizard ? "1" : "0"
        return app
    }

    private func tapFirstAvailableElement(
        app: XCUIApplication,
        identifiers: [String],
        fallbackLabels: [String],
        timeout: TimeInterval = 8
    ) {
        for identifier in identifiers {
            let candidates = [
                app.buttons[identifier],
                app.otherElements[identifier],
                app.staticTexts[identifier],
                app.descendants(matching: .any)[identifier]
            ]
            for element in candidates where element.waitForExistence(timeout: 1) {
                element.tap()
                return
            }
        }

        for label in fallbackLabels {
            let candidates = [
                app.buttons[label],
                app.otherElements[label],
                app.staticTexts[label]
            ]
            for element in candidates where element.waitForExistence(timeout: timeout) {
                element.tap()
                return
            }
        }

        XCTFail("Unable to locate tap target. identifiers=\(identifiers), labels=\(fallbackLabels)")
    }
}