import FirebaseAnalytics

enum AnalyticsEvent {
    // Onboarding
    static let onboardingCompleted = "onboarding_completed"

    // Dishes
    static let dishAdded = "dish_added"
    static let dishDeleted = "dish_deleted"

    // Planner
    static let mealAssigned = "meal_assigned"
    static let mealCleared = "meal_cleared"
    static let weekReset = "week_reset"
    static let weekPlanShared = "week_plan_shared"

    // Premium
    static let premiumUpgradeTapped = "premium_upgrade_tapped"
    static let premiumPurchased = "premium_purchased"
    static let premiumRestored = "premium_restored"

    // Planner
    static let autoAssignUsed = "auto_assign_used"

    // Onboarding
    static let onboardingStepViewed = "onboarding_step_viewed"

    // Settings
    static let iCloudSyncToggled = "icloud_sync_toggled"
    static let notificationsToggled = "notifications_toggled"
    static let languageChanged = "language_changed"
}

enum AnalyticsService {
    static func logEvent(_ name: String, parameters: [String: Any]? = nil) {
        Analytics.logEvent(name, parameters: parameters)
    }

    static func logScreenView(_ screenName: String) {
        Analytics.logEvent(AnalyticsEventScreenView, parameters: [
            AnalyticsParameterScreenName: screenName,
            AnalyticsParameterScreenClass: screenName
        ])
    }

    // MARK: - Convenience methods

    static func logDishAdded(tagCount: Int) {
        logEvent(AnalyticsEvent.dishAdded, parameters: ["tag_count": tagCount])
    }

    static func logDishDeleted() {
        logEvent(AnalyticsEvent.dishDeleted)
    }

    static func logMealAssigned() {
        logEvent(AnalyticsEvent.mealAssigned)
    }

    static func logMealCleared() {
        logEvent(AnalyticsEvent.mealCleared)
    }

    static func logWeekReset() {
        logEvent(AnalyticsEvent.weekReset)
    }

    static func logWeekPlanShared(format: String) {
        logEvent(AnalyticsEvent.weekPlanShared, parameters: ["format": format])
    }

    static func logPremiumUpgradeTapped(source: String) {
        logEvent(AnalyticsEvent.premiumUpgradeTapped, parameters: ["source": source])
    }

    static func logPremiumPurchased() {
        logEvent(AnalyticsEvent.premiumPurchased)
    }

    static func logPremiumRestored() {
        logEvent(AnalyticsEvent.premiumRestored)
    }

    static func logOnboardingCompleted() {
        logEvent(AnalyticsEvent.onboardingCompleted)
    }

    static func logOnboardingStepViewed(step: Int) {
        logEvent(AnalyticsEvent.onboardingStepViewed, parameters: ["step": step])
    }

    static func logAutoAssignUsed(filledSlots: Int, unfilledSlots: Int) {
        logEvent(AnalyticsEvent.autoAssignUsed, parameters: [
            "filled_slots": filledSlots,
            "unfilled_slots": unfilledSlots
        ])
    }

    static func logICloudSyncToggled(enabled: Bool) {
        logEvent(AnalyticsEvent.iCloudSyncToggled, parameters: ["enabled": enabled])
    }

    static func logNotificationsToggled(enabled: Bool) {
        logEvent(AnalyticsEvent.notificationsToggled, parameters: ["enabled": enabled])
    }
}