using UnityEditor;
using UnityEngine;

namespace Crowdin.Editor.UnityLocalization
{
    using Plugin.Helpers.PluginLocalization;
    using Plugin.Helpers.UnityLocalization;
    using Plugin.Models;
    using Plugin.Operations;
    using Plugin.Server_API.Helpers;

    public class PullStringTranslationsToUnityTranslation : BasePopupEditor
    {
        [MenuItem("Tools/Crowdin/Pull string translations from Crowdin", false, 101)]
        public static void OpenExportPopup()
        {
            InitPopup<PullStringTranslationsToUnityTranslation>(
                LocalizationHelper.GetLocalStringByKey(LocalKeys.pull_string_translations_popup_title)
            );
        }

        private TableSelector tableSelector;
        private BranchSelector branchSelector;
        private bool togglePreserveEntryIdsOnImport;

        protected override void OnEnable()
        {
            base.OnEnable();

            tableSelector = TableSelector.CreateForStringTables();
            branchSelector = BranchSelector.CreateAndLoadSettings(lifetime.Token);
            togglePreserveEntryIdsOnImport = SettingsHelper.GetToggleStatus_PreserveEntryIdsOnImport();

            if (SettingsHelper.GetProjectType() is ProjectType.StringBased)
            {
                branchSelector.RefreshBranchesList(); // don't await, separate thread task
            }
        }

        protected override void OnDisable()
        {
            base.OnDisable();

            tableSelector?.Dispose();
            branchSelector?.Dispose();
            SettingsHelper.SetToggleStatus_PreserveEntryIdsOnImport(togglePreserveEntryIdsOnImport);
        }

        private void OnGUI()
        {
            if (!isBusy)
            {
                bool isProjectStringBased = SettingsHelper.GetProjectType() is ProjectType.StringBased;

                tableSelector.DrawLayout();

                if (isProjectStringBased)
                {
                    branchSelector.DrawLayout();
                }

                togglePreserveEntryIdsOnImport = UIHelper.AddToggle_PreserveEntryIdsOnImport(togglePreserveEntryIdsOnImport);

                GUILayout.Space(10);

                if (GUILayout.Button(
                    LocalizationHelper.GetLocalStringByKey(LocalKeys.pull_string_translations_popup_title)))
                {
                    if (!IsProjectSelected())
                    {
                        return;
                    }

                    if (!UnityLocalizationHelper.IsHavePluginStringsTables())
                    {
                        status.Clear();
                        status.AppendLine(LocalizationHelper.GetLocalStringByKey(LocalKeys.no_str_tables));
                        return;
                    }

                    if (tableSelector.NoTablesAreSelected())
                    {
                        DialogUtility.NoTablesAreSelected();
                        return;
                    }

                    SettingsHelper.SetToggleStatus_PreserveEntryIdsOnImport(togglePreserveEntryIdsOnImport);

                    int? branchId = isProjectStringBased ? branchSelector.GetSelectedBranchId() : null;

                    tableSelector.SaveSettings();
                    branchSelector.SaveSettings();

                    var options = new PullOptions(
                        tableSelector.ResolveTables(), branchId, togglePreserveEntryIdsOnImport);

                    RunOperation<PullResult>(
                        (progress, cancellationToken) => PullStrings.RunAsync(options, progress, cancellationToken),
                        result => { });
                }
            }

            OnGUIStatusLabel();
        }
    }
}