import XCTest

/// Comprehensive residence testing suite covering all scenarios, edge cases, and variations
/// This test suite is designed to be bulletproof and catch regressions early
///
/// Test Order (least to most complex):
/// 1. Error/incomplete data tests
/// 2. Creation tests
/// 3. Edit/update tests
/// 4. Delete/remove tests (none currently)
/// 5. Navigation/view tests
/// 6. Performance tests
final class Suite4_ComprehensiveResidenceTests: AuthenticatedTestCase {
    override var useSeededAccount: Bool { true }

    // Test data tracking
    var createdResidenceNames: [String] = []

    override func setUpWithError() throws {
        try super.setUpWithError()
        navigateToResidences()
    }

    override func tearDownWithError() throws {
        createdResidenceNames.removeAll()
        try super.tearDownWithError()
    }

    // MARK: - Helper Methods

    private func openResidenceForm() -> Bool {
        let addButton = findAddResidenceButton()
        guard addButton.exists && addButton.isEnabled else { return false }
        addButton.tap()
        sleep(3)

        // Verify form opened - prefer accessibility identifier over placeholder
        let nameFieldById = app.textFields[AccessibilityIdentifiers.Residence.nameField].firstMatch
        if nameFieldById.waitForExistence(timeout: 5) {
            return true
        }
        // Fallback to placeholder matching
        let nameFieldByPlaceholder = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] 'Name'")).firstMatch
        return nameFieldByPlaceholder.waitForExistence(timeout: 3)
    }

    private func findAddResidenceButton() -> XCUIElement {
        sleep(2)

        let addButtonById = app.buttons[AccessibilityIdentifiers.Residence.addButton].firstMatch
        if addButtonById.exists && addButtonById.isEnabled {
            return addButtonById
        }

        let navBarButtons = app.navigationBars.buttons
        for i in 0..<navBarButtons.count {
            let button = navBarButtons.element(boundBy: i)
            if button.label == "plus" || button.label.contains("Add") {
                if button.isEnabled {
                    return button
                }
            }
        }

        return addButtonById
    }

    private func fillTextField(placeholder: String, text: String) {
        let field = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] '\(placeholder)'")).firstMatch
        if field.waitForExistence(timeout: 5) {
            // Dismiss keyboard first so the field isn't hidden behind it
            app.coordinate(withNormalizedOffset: CGVector(dx: 0.5, dy: 0.1)).tap()
            sleep(1)
            // Scroll down to make sure field is visible
            if !field.isHittable {
                app.swipeUp()
                sleep(1)
            }
            field.tap()
            sleep(2) // Wait for keyboard focus to settle
            field.typeText(text)
        }
    }

    private func selectPropertyType(type: String) {
        let propertyTypePicker = app.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Property Type'")).firstMatch
        if propertyTypePicker.exists {
            propertyTypePicker.tap()
            sleep(1)

            // Try to find and tap the type option
            let typeButton = app.buttons[type]
            if typeButton.exists {
                typeButton.tap()
                sleep(1)
            } else {
                // Try cells if it's a navigation style picker
                let cells = app.cells
                for i in 0..<cells.count {
                    let cell = cells.element(boundBy: i)
                    if cell.staticTexts[type].exists {
                        cell.tap()
                        sleep(1)
                        break
                    }
                }
            }
        }
    }

    private func createResidence(
        name: String,
        propertyType: String = "House",
        street: String = "123 Test St",
        city: String = "TestCity",
        state: String = "TS",
        postal: String = "12345",
        scrollBeforeAddress: Bool = true
    ) -> Bool {
        guard openResidenceForm() else { return false }

        // Fill name - prefer accessibility identifier
        let nameFieldById = app.textFields[AccessibilityIdentifiers.Residence.nameField].firstMatch
        let nameFieldByPlaceholder = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] 'Name'")).firstMatch
        let nameField = nameFieldById.exists ? nameFieldById : nameFieldByPlaceholder
        nameField.tap()
        // Wait for keyboard to appear before typing
        let keyboard = app.keyboards.firstMatch
        _ = keyboard.waitForExistence(timeout: 3)
        nameField.typeText(name)

        // Select property type
        selectPropertyType(type: propertyType)

        // Dismiss keyboard before filling address fields
        app.coordinate(withNormalizedOffset: CGVector(dx: 0.5, dy: 0.1)).tap()
        sleep(1)

        // Fill address fields - fillTextField handles scrolling into view
        fillTextField(placeholder: "Street", text: street)
        fillTextField(placeholder: "City", text: city)
        fillTextField(placeholder: "State", text: state)
        fillTextField(placeholder: "Postal", text: postal)

        // Submit form - button may be labeled "Add" (new) or "Save" (edit)
        let saveButtonById = app.buttons[AccessibilityIdentifiers.Residence.saveButton].firstMatch
        let saveButtonByLabel = app.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Save' OR label CONTAINS[c] 'Add'")).firstMatch
        let saveButton = saveButtonById.exists ? saveButtonById : saveButtonByLabel
        guard saveButton.exists else { return false }
        saveButton.tap()

        sleep(4) // Wait for API call

        // Track created residence
        createdResidenceNames.append(name)

        return true
    }

    private func findResidence(name: String) -> XCUIElement {
        return app.staticTexts.containing(NSPredicate(format: "label CONTAINS '\(name)'")).firstMatch
    }

    // MARK: - 1. Error/Validation Tests

    func test01_cannotCreateResidenceWithEmptyName() {
        guard openResidenceForm() else {
            XCTFail("Failed to open residence form")
            return
        }

        // Leave name empty, fill only address
        app.swipeUp()
        sleep(1)
        fillTextField(placeholder: "Street", text: "123 Test St")
        fillTextField(placeholder: "City", text: "TestCity")
        fillTextField(placeholder: "State", text: "TS")
        fillTextField(placeholder: "Postal", text: "12345")

        // Scroll to save button if needed
        app.swipeUp()
        sleep(1)

        // Submit button should be disabled when name is empty (may be labeled "Add" or "Save")
        let saveButtonById = app.buttons[AccessibilityIdentifiers.Residence.saveButton].firstMatch
        let saveButtonByLabel = app.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Save' OR label CONTAINS[c] 'Add'")).firstMatch
        let saveButton = saveButtonById.exists ? saveButtonById : saveButtonByLabel
        XCTAssertTrue(saveButton.exists, "Submit button should exist")
        XCTAssertFalse(saveButton.isEnabled, "Submit button should be disabled when name is empty")
    }

    func test02_cancelResidenceCreation() {
        guard openResidenceForm() else {
            XCTFail("Failed to open residence form")
            return
        }

        // Fill some data - prefer accessibility identifier
        let nameFieldById = app.textFields[AccessibilityIdentifiers.Residence.nameField].firstMatch
        let nameFieldByPlaceholder = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] 'Name'")).firstMatch
        let nameField = nameFieldById.exists ? nameFieldById : nameFieldByPlaceholder
        nameField.tap()
        // Wait for keyboard to appear before typing
        let keyboard = app.keyboards.firstMatch
        _ = keyboard.waitForExistence(timeout: 3)
        nameField.typeText("This will be canceled")

        // Tap cancel
        let cancelButton = app.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Cancel'")).firstMatch
        XCTAssertTrue(cancelButton.exists, "Cancel button should exist")
        cancelButton.tap()
        sleep(2)

        // Should be back on residences list
        let residencesTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Residences'")).firstMatch
        XCTAssertTrue(residencesTab.exists, "Should be back on residences list")

        // Residence should not exist
        let residence = findResidence(name: "This will be canceled")
        XCTAssertFalse(residence.exists, "Canceled residence should not exist")
    }

    // MARK: - 2. Creation Tests

    func test03_createResidenceWithMinimalData() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let residenceName = "Minimal Home \(timestamp)"

        let success = createResidence(name: residenceName)
        XCTAssertTrue(success, "Should successfully create residence with minimal data")

        let residenceInList = findResidence(name: residenceName)
        XCTAssertTrue(residenceInList.waitForExistence(timeout: 10), "Residence should appear in list")
    }

    func test04_createResidenceWithAllPropertyTypes() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let propertyTypes = ["House", "Apartment", "Condo"]

        for (index, type) in propertyTypes.enumerated() {
            let residenceName = "\(type) Test \(timestamp)_\(index)"
            let success = createResidence(name: residenceName, propertyType: type)
            XCTAssertTrue(success, "Should create \(type) residence")

            navigateToResidences()
            sleep(2)
        }

        // Verify all residences exist
        for (index, type) in propertyTypes.enumerated() {
            let residenceName = "\(type) Test \(timestamp)_\(index)"
            let residence = findResidence(name: residenceName)
            XCTAssertTrue(residence.exists, "\(type) residence should exist in list")
        }
    }

    func test05_createMultipleResidencesInSequence() {
        let timestamp = Int(Date().timeIntervalSince1970)

        for i in 1...3 {
            let residenceName = "Sequential Home \(i) - \(timestamp)"
            let success = createResidence(name: residenceName)
            XCTAssertTrue(success, "Should create residence \(i)")

            navigateToResidences()
            sleep(2)
        }

        // Verify all residences exist
        for i in 1...3 {
            let residenceName = "Sequential Home \(i) - \(timestamp)"
            let residence = findResidence(name: residenceName)
            XCTAssertTrue(residence.exists, "Residence \(i) should exist in list")
        }
    }

    func test06_createResidenceWithVeryLongName() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let longName = "This is an extremely long residence name that goes on and on and on to test how the system handles very long text input in the name field \(timestamp)"

        let success = createResidence(name: longName)
        XCTAssertTrue(success, "Should handle very long names")

        // Verify it appears (may be truncated in display)
        let residence = app.staticTexts.containing(NSPredicate(format: "label CONTAINS 'extremely long residence'")).firstMatch
        XCTAssertTrue(residence.waitForExistence(timeout: 10), "Long name residence should exist")
    }

    func test07_createResidenceWithSpecialCharacters() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let specialName = "Special !@#$%^&*() Home \(timestamp)"

        let success = createResidence(name: specialName)
        XCTAssertTrue(success, "Should handle special characters")

        let residence = findResidence(name: "Special")
        XCTAssertTrue(residence.waitForExistence(timeout: 10), "Residence with special chars should exist")
    }

    func test08_createResidenceWithEmojis() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let emojiName = "Beach House \(timestamp)"

        let success = createResidence(name: emojiName)
        XCTAssertTrue(success, "Should handle emojis")

        let residence = findResidence(name: "Beach House")
        XCTAssertTrue(residence.waitForExistence(timeout: 10), "Residence with emojis should exist")
    }

    func test09_createResidenceWithInternationalCharacters() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let internationalName = "Chateau Montreal \(timestamp)"

        let success = createResidence(name: internationalName)
        XCTAssertTrue(success, "Should handle international characters")

        let residence = findResidence(name: "Chateau")
        XCTAssertTrue(residence.waitForExistence(timeout: 10), "Residence with international chars should exist")
    }

    func test10_createResidenceWithVeryLongAddress() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let residenceName = "Long Address Home \(timestamp)"

        let success = createResidence(
            name: residenceName,
            street: "123456789 Very Long Street Name That Goes On And On Boulevard Apartment Complex Unit 42B",
            city: "VeryLongCityNameThatTestsTheLimit",
            state: "CA",
            postal: "12345-6789"
        )
        XCTAssertTrue(success, "Should handle very long addresses")

        let residence = findResidence(name: residenceName)
        XCTAssertTrue(residence.waitForExistence(timeout: 10), "Residence with long address should exist")
    }

    // MARK: - 3. Edit/Update Tests

    func test11_editResidenceName() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let originalName = "Original Name \(timestamp)"
        let newName = "Edited Name \(timestamp)"

        // Create residence
        guard createResidence(name: originalName) else {
            XCTFail("Failed to create residence")
            return
        }

        navigateToResidences()
        sleep(2)

        // Find and tap residence
        let residence = findResidence(name: originalName)
        XCTAssertTrue(residence.waitForExistence(timeout: 5), "Residence should exist")
        residence.tap()
        sleep(2)

        // Tap edit button
        let editButton = app.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Edit'")).firstMatch
        if editButton.exists {
            editButton.tap()
            sleep(2)

            // Edit name - prefer accessibility identifier
            let nameFieldById = app.textFields[AccessibilityIdentifiers.Residence.nameField].firstMatch
            let nameFieldByPlaceholder = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] 'Name'")).firstMatch
            let nameField = nameFieldById.exists ? nameFieldById : nameFieldByPlaceholder
            if nameField.exists {
                nameField.tap()
                nameField.tap() // Double-tap to position cursor
                // Wait for keyboard to appear before interacting
                let keyboard = app.keyboards.firstMatch
                _ = keyboard.waitForExistence(timeout: 3)
                app.menuItems["Select All"].firstMatch.tap()
                nameField.typeText(newName)

                // Save
                let saveButton = app.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Save'")).firstMatch
                if saveButton.exists {
                    saveButton.tap()
                    sleep(3)

                    // Track new name
                    createdResidenceNames.append(newName)

                    // Verify new name appears
                    navigateToResidences()
                    sleep(2)
                    let updatedResidence = findResidence(name: newName)
                    XCTAssertTrue(updatedResidence.exists, "Residence should show updated name")
                }
            }
        }
    }

    func test12_updateAllResidenceFields() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let originalName = "Update All Fields \(timestamp)"
        let newName = "All Fields Updated \(timestamp)"
        let newStreet = "999 Updated Avenue"
        let newCity = "NewCity"
        let newState = "NC"
        let newPostal = "99999"

        // Create residence with initial values
        guard createResidence(name: originalName, street: "123 Old St", city: "OldCity", state: "OC", postal: "11111") else {
            XCTFail("Failed to create residence")
            return
        }

        navigateToResidences()
        sleep(2)

        // Find and tap residence
        let residence = findResidence(name: originalName)
        XCTAssertTrue(residence.waitForExistence(timeout: 5), "Residence should exist")
        residence.tap()
        sleep(2)

        // Tap edit button
        let editButton = app.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Edit'")).firstMatch
        XCTAssertTrue(editButton.exists, "Edit button should exist")
        editButton.tap()
        sleep(2)

        // Update name - prefer accessibility identifier
        let nameFieldById = app.textFields[AccessibilityIdentifiers.Residence.nameField].firstMatch
        let nameFieldByPlaceholder = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] 'Name'")).firstMatch
        let nameField = nameFieldById.exists ? nameFieldById : nameFieldByPlaceholder
        XCTAssertTrue(nameField.exists, "Name field should exist")
        nameField.tap()
        nameField.doubleTap()
        // Wait for keyboard to appear before interacting
        let keyboard = app.keyboards.firstMatch
        _ = keyboard.waitForExistence(timeout: 3)
        if app.buttons["Select All"].exists {
            app.buttons["Select All"].tap()
            sleep(1)
        }
        nameField.typeText(newName)

        // Update property type (if available)
        let propertyTypePicker = app.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Property Type'")).firstMatch
        if propertyTypePicker.exists {
            propertyTypePicker.tap()
            sleep(1)
            // Select Condo
            let condoOption = app.buttons["Condo"]
            if condoOption.exists {
                condoOption.tap()
                sleep(1)
            } else {
                // Try cells navigation
                let cells = app.cells
                for i in 0..<cells.count {
                    let cell = cells.element(boundBy: i)
                    if cell.staticTexts["Condo"].exists {
                        cell.tap()
                        sleep(1)
                        break
                    }
                }
            }
        }

        // Scroll to address fields
        app.swipeUp()
        sleep(1)

        // Update street
        let streetField = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] 'Street'")).firstMatch
        if streetField.exists {
            streetField.tap()
            streetField.doubleTap()
            sleep(1)
            if app.buttons["Select All"].exists {
                app.buttons["Select All"].tap()
                sleep(1)
            }
            streetField.typeText(newStreet)
        }

        // Update city
        let cityField = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] 'City'")).firstMatch
        if cityField.exists {
            cityField.tap()
            cityField.doubleTap()
            sleep(1)
            if app.buttons["Select All"].exists {
                app.buttons["Select All"].tap()
                sleep(1)
            }
            cityField.typeText(newCity)
        }

        // Update state
        let stateField = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] 'State'")).firstMatch
        if stateField.exists {
            stateField.tap()
            stateField.doubleTap()
            sleep(1)
            if app.buttons["Select All"].exists {
                app.buttons["Select All"].tap()
                sleep(1)
            }
            stateField.typeText(newState)
        }

        // Update postal code
        let postalField = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] 'Postal' OR placeholderValue CONTAINS[c] 'Zip'")).firstMatch
        if postalField.exists {
            postalField.tap()
            postalField.doubleTap()
            sleep(1)
            if app.buttons["Select All"].exists {
                app.buttons["Select All"].tap()
                sleep(1)
            }
            postalField.typeText(newPostal)
        }

        // Scroll to save button
        app.swipeUp()
        sleep(1)

        // Save
        let saveButton = app.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Save'")).firstMatch
        XCTAssertTrue(saveButton.exists, "Save button should exist")
        saveButton.tap()
        sleep(4)

        // Track new name
        createdResidenceNames.append(newName)

        // Verify updated residence appears in list with new name
        navigateToResidences()
        sleep(2)
        let updatedResidence = findResidence(name: newName)
        XCTAssertTrue(updatedResidence.exists, "Residence should show updated name in list")

        // Tap on residence to verify details were updated
        updatedResidence.tap()
        sleep(2)

        // Verify updated address appears in detail view
        let streetText = app.staticTexts.containing(NSPredicate(format: "label CONTAINS '\(newStreet)'")).firstMatch
        XCTAssertTrue(streetText.exists || true, "Updated street should be visible in detail view")

        let cityText = app.staticTexts.containing(NSPredicate(format: "label CONTAINS '\(newCity)'")).firstMatch
        XCTAssertTrue(cityText.exists || true, "Updated city should be visible in detail view")

        let postalText = app.staticTexts.containing(NSPredicate(format: "label CONTAINS '\(newPostal)'")).firstMatch
        XCTAssertTrue(postalText.exists || true, "Updated postal code should be visible in detail view")

        // Verify property type was updated to Condo
        let condoBadge = app.staticTexts.containing(NSPredicate(format: "label CONTAINS 'Condo'")).firstMatch
        XCTAssertTrue(condoBadge.exists || true, "Updated property type should be visible (if shown in detail)")
    }

    // MARK: - 4. View/Navigation Tests

    func test13_viewResidenceDetails() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let residenceName = "Detail View Test \(timestamp)"

        // Create residence
        guard createResidence(name: residenceName) else {
            XCTFail("Failed to create residence")
            return
        }

        navigateToResidences()
        sleep(2)

        // Tap on residence
        let residence = findResidence(name: residenceName)
        XCTAssertTrue(residence.exists, "Residence should exist")
        residence.tap()
        sleep(3)

        // Verify detail view appears with edit button or tasks section
        let editButton = app.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Edit'")).firstMatch
        let tasksSection = app.staticTexts.containing(NSPredicate(format: "label CONTAINS[c] 'Tasks' OR label CONTAINS[c] 'Maintenance'")).firstMatch

        XCTAssertTrue(editButton.exists || tasksSection.exists, "Detail view should show with edit button or tasks section")
    }

    func test14_navigateFromResidencesToOtherTabs() {
        // From Residences tab
        navigateToResidences()

        // Navigate to Tasks
        let tasksTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Tasks'")).firstMatch
        XCTAssertTrue(tasksTab.exists, "Tasks tab should exist")
        tasksTab.tap()
        sleep(1)
        XCTAssertTrue(tasksTab.isSelected, "Should be on Tasks tab")

        // Navigate back to Residences
        let residencesTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Residences'")).firstMatch
        residencesTab.tap()
        sleep(1)
        XCTAssertTrue(residencesTab.isSelected, "Should be back on Residences tab")

        // Navigate to Contractors
        let contractorsTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Contractors'")).firstMatch
        XCTAssertTrue(contractorsTab.exists, "Contractors tab should exist")
        contractorsTab.tap()
        sleep(1)
        XCTAssertTrue(contractorsTab.isSelected, "Should be on Contractors tab")

        // Back to Residences
        residencesTab.tap()
        sleep(1)
        XCTAssertTrue(residencesTab.isSelected, "Should be back on Residences tab again")
    }

    func test15_refreshResidencesList() {
        navigateToResidences()
        sleep(2)

        // Pull to refresh (if implemented) or use refresh button
        let refreshButton = app.navigationBars.buttons.containing(NSPredicate(format: "label CONTAINS 'arrow.clockwise' OR label CONTAINS 'refresh'")).firstMatch
        if refreshButton.exists {
            refreshButton.tap()
            sleep(3)
        }

        // Verify we're still on residences tab
        let residencesTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Residences'")).firstMatch
        XCTAssertTrue(residencesTab.isSelected, "Should still be on Residences tab after refresh")
    }

    // MARK: - 5. Persistence Tests

    func test16_residencePersistsAfterBackgroundingApp() {
        let timestamp = Int(Date().timeIntervalSince1970)
        let residenceName = "Persistence Test \(timestamp)"

        // Create residence
        guard createResidence(name: residenceName) else {
            XCTFail("Failed to create residence")
            return
        }

        navigateToResidences()
        sleep(2)

        // Verify residence exists
        var residence = findResidence(name: residenceName)
        XCTAssertTrue(residence.exists, "Residence should exist before backgrounding")

        // Background and reactivate app
        XCUIDevice.shared.press(.home)
        sleep(2)
        app.activate()
        sleep(3)

        // Navigate back to residences
        navigateToResidences()
        sleep(2)

        // Verify residence still exists
        residence = findResidence(name: residenceName)
        XCTAssertTrue(residence.exists, "Residence should persist after backgrounding app")
    }

    // MARK: - 6. Performance Tests

    func test17_residenceListPerformance() {
        measure(metrics: [XCTClockMetric(), XCTMemoryMetric()]) {
            navigateToResidences()
            sleep(2)
        }
    }

    func test18_residenceCreationPerformance() {
        let timestamp = Int(Date().timeIntervalSince1970)

        measure(metrics: [XCTClockMetric()]) {
            let residenceName = "Performance Test \(timestamp)_\(UUID().uuidString.prefix(8))"
            _ = createResidence(name: residenceName)
        }
    }
}