//
// Copyright 2025 Element Creations Ltd.
// Copyright 2022-2025 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
// Please see LICENSE files in the repository root for full details.
//

import SwiftUI

enum SettingsScreenViewModelAction {
    case close
    case userDetails
    case userStatusEmojiPicker(EmojiPickerScreenContinuation)
    case linkNewDevice
    case manageAccount(url: URL)
    case analytics
    case appLock
    case reportBug
    case about
    case blockedUsers
    case secureBackup
    case notifications
    case advancedSettings
    case labs
    case developerOptions
    case logout
    case deactivateAccount
}

enum SettingsScreenSecuritySectionMode {
    case none
    case secureBackup
}

struct SettingsScreenViewState: BindableState {
    var deviceID: String?
    var userProfile: UserProfile
    var showUserStatusInput = false
    var showLinkNewDeviceButton: Bool
    var accountProfileURL: URL?
    var showAccountDeactivation: Bool
    var showDeveloperOptions: Bool
    
    var securitySectionMode = SettingsScreenSecuritySectionMode.none
    var showSecuritySectionBadge = false
    
    var showBlockedUsers = false
    let showAnalyticsSettings: Bool
    
    let isBugReportServiceEnabled: Bool
    
    let navigationBarVisibility: Visibility
    
    let appHooks: AppHooks
    
    var bindings = SettingsScreenViewStateBindings()
    
    var userStatusRowMode: SettingsScreenUserStatusRow.Mode {
        if bindings.isShowingCustomStatusField {
            .customStatusInput(emoji: bindings.customStatusEmoji)
        } else if let displayedStatus = userProfile.status.displayed {
            .showingStatus(displayedStatus)
        } else {
            .pickStatusButton
        }
    }
}

struct SettingsScreenViewStateBindings {
    var isPresentingStatusPicker = false
    var customStatusEmoji: Character = "😄"
    var isShowingCustomStatusField = false {
        didSet {
            if !isShowingCustomStatusField {
                customStatusEmoji = "😄" // Reset the emoji.
            }
        }
    }
    
    var isPresentingAccountDeactivationConfirmation = false
}

enum SettingsScreenViewAction {
    case close
    case userDetails
    case userStatus(UserStatusAction)
    case analytics
    case appLock
    case reportBug
    case about
    case blockedUsers
    case secureBackup
    case linkNewDevice
    case manageAccount(url: URL)
    case notifications
    case enableDeveloperOptions
    case developerOptions
    case advancedSettings
    case labs
    case logout
    case deactivateAccount
    
    enum UserStatusAction {
        /// Show status picker sheet to select a preset status.
        case pickStatus
        /// Dismiss the picker sheet and show the custom status input.
        case customStatus
        /// Show the emoji picker to select the emoji for the custom status.
        case pickCustomEmoji
        /// Set the user's status to the provided value.
        case set(UserStatus.Raw)
        /// Clears the user's currently displayed status.
        case clear
        /// Cancel user status picking/input.
        case cancel
    }
}