@page "/FirstTimeSetup/Paths"
@using LANCommander.SDK
@using LANCommander.SDK.Enums
@using LANCommander.Server.Settings
@using Microsoft.Extensions.Options
@layout FirstTimeSetupLayout
@inject SetupService SetupService
@inject StorageLocationService StorageLocationService
@inject SettingsProvider<Settings> SettingsProvider
@inject IOptions<Settings> Settings
@inject NavigationManager NavigationManager
@inject IMessageService MessageService
@inject ILogger<Index> Logger

<PageTitle>Configure Paths - First Time Setup</PageTitle>

<Form Model="@this" Loading="Loading" OnFinish="ValidatePaths" Layout="@FormLayout.Vertical">
    <FormItem>
        Configure where archives, saves, and media get stored.
    </FormItem>

    <Divider Text="Archives" />

    <FormItem>
        <Flex Vertical Gap="FlexGap.Middle">
            <Table TItem="StorageLocation" DataSource="@ArchiveStorageLocations" HidePagination="true" Responsive Context="storageLocation" Size="TableSize.Small">
                <PropertyColumn Property="l => l.Path">
                    <FilePicker @bind-Value="storageLocation.Path" AllowDirectories="true" Title="Select Storage Location" Root="@RootPath" OnSelected="(path) => OnPathSelected(storageLocation, path)"/>
                </PropertyColumn>
                <PropertyColumn Property="l => l.Default" Title="Default" Align="ColumnAlign.Right">
                    <Radio TValue="bool" Checked="storageLocation.Default" CheckedChanged="() => SetDefault(storageLocation)"/>
                </PropertyColumn>
                <ActionColumn>
                    <Flex Justify="FlexJustify.End">
                        <Popconfirm OnConfirm="() => RemoveArchiveStorageLocation(storageLocation)" Title="Are you sure you want to remove this storage location?">
                            <Button Icon="@IconType.Outline.Close" Type="ButtonType.Text" Danger/>
                        </Popconfirm>
                    </Flex>
                </ActionColumn>
            </Table>

            <Flex Justify="FlexJustify.End">
                <Button OnClick="AddArchiveStorageLocation" Type="@ButtonType.Primary">Add Path</Button>
            </Flex>
        </Flex>
    </FormItem>

    @if (SavesStorageLocation != null)
    {
        <Divider Text="Saves" />

        <FormItem>
            <FilePicker Root="@RootPath" EntrySelectable="x => x is FileManagerDirectory" @bind-Value="@SavesStorageLocation.Path" OkText="Select Path" Title="Choose Path" OnSelected="(path) => OnPathSelected(SavesStorageLocation, path)" />
        </FormItem>
    }

    @if (MediaStorageLocation != null)
    {
        <Divider Text="Media" />

        <FormItem>
            <FilePicker Root="@RootPath" EntrySelectable="x => x is FileManagerDirectory" @bind-Value="@MediaStorageLocation.Path" OkText="Select Path" Title="Choose Path" OnSelected="(path) => OnPathSelected(MediaStorageLocation, path)" />
        </FormItem>
    }

    <Divider Text="Backups" />

    <FormItem>
        <FilePicker Root="@RootPath" EntrySelectable="x => x is FileManagerDirectory" @bind-Value="@Settings.Value.Server.Backups.StoragePath" OkText="Select Path" Title="Choose Path" OnSelected="(path) => Settings.Value.Server.Backups.StoragePath = OnPathSelected(path)" />
    </FormItem>

    <Divider Text="Launchers" />

    <FormItem>
        <FilePicker Root="@RootPath" EntrySelectable="x => x is FileManagerDirectory" @bind-Value="@Settings.Value.Server.Launcher.StoragePath" OkText="Select Path" Title="Choose Path" OnSelected="(path) => Settings.Value.Server.Launcher.StoragePath = OnPathSelected(path)" />
    </FormItem>

    <Divider Text="Servers" />

    <FormItem>
        <FilePicker Root="@RootPath" EntrySelectable="x => x is FileManagerDirectory" @bind-Value="@Settings.Value.Server.GameServers.StoragePath" OkText="Select Path" Title="Choose Path" OnSelected="(path) => Settings.Value.Server.GameServers.StoragePath = OnPathSelected(path)" />
    </FormItem>

    <FormItem>
        <Flex Justify="FlexJustify.End">
            <Button Type="ButtonType.Primary" HtmlType="submit">
                Next
            </Button>
        </Flex>
    </FormItem>
</Form>

@code {
    [CascadingParameter] FirstTimeSetupLayout Layout { get; set; }

    ICollection<StorageLocation> ArchiveStorageLocations = new List<StorageLocation>();

    StorageLocation MediaStorageLocation = new()
    {
        Path = AppPaths.GetConfigPath("Media"),
        Type = StorageLocationType.Media,
        Default = true,
    };

    StorageLocation SavesStorageLocation = new()
    {
        Path = AppPaths.GetConfigPath("Saves"),
        Type = StorageLocationType.Save,
        Default = true,
    };

    bool Loading = false;
    string RootPath = Path.GetPathRoot(Directory.GetCurrentDirectory());

    protected override async Task OnInitializedAsync()
    {
        await Layout.ChangeCurrentStep(FirstTimeSetupStep.Paths);

        var isSetupInitialized = await SetupService.IsSetupInitialized();
        if (isSetupInitialized)
        {
            NavigationManager.NavigateTo("/");
            return;
        }

        try
        {
            ArchiveStorageLocations = await StorageLocationService
                .AsNoTracking()
                .GetAsync(l => l.Type == StorageLocationType.Archive);
        }
        catch (Exception ex)
        {
            Logger?.LogError(ex, "Couldn't retrieve existing archive storage locations");
        }
        finally
        {
            if (!ArchiveStorageLocations.Any())
                ArchiveStorageLocations.Add(new StorageLocation
                {
                    Path = Path.Join(AppPaths.GetConfigDirectory(), "Uploads"),
                    Type = StorageLocationType.Archive,
                    Default = true,
                });
        }

        try
        {
            SavesStorageLocation = await StorageLocationService
                .AsNoTracking()
                .FirstOrDefaultAsync(l => l.Type == StorageLocationType.Save && l.Default);
        }
        catch (Exception ex)
        {
            Logger?.LogError(ex, "Couldn't retrieve existing store locations");

            SavesStorageLocation = new StorageLocation
            {
                Path = Path.Join(AppPaths.GetConfigDirectory(), "Saves"),
                Type = StorageLocationType.Save,
                Default = true,
            };
        }

        try
        {
            MediaStorageLocation = await StorageLocationService
                .AsNoTracking()
                .FirstOrDefaultAsync(l => l.Type == SDK.Enums.StorageLocationType.Media && l.Default);
        }
        catch (Exception ex)
        {
            Logger?.LogError(ex, "Couldn't retrieve existing store locations");

            MediaStorageLocation = new StorageLocation
            {
                Path = Path.Join(AppPaths.GetConfigDirectory(), "Media"),
                Type = StorageLocationType.Media,
                Default = true,
            };
        }
    }

    async Task ValidatePaths()
    {
        try
        {
            var locations = new List<StorageLocation>(ArchiveStorageLocations);
            
            locations.Add(SavesStorageLocation);
            locations.Add(MediaStorageLocation);

            await SetupService.UpdatePaths(locations);
            
            NavigationManager.NavigateTo("/FirstTimeSetup/Metadata");
        }
        catch (Exception ex)
        {
            Logger?.LogError(ex, $"Error validating path");
            MessageService.Error($"Error validating path: {ex.Message}", 10);
        }
    }

    void SetDefault(StorageLocation storageLocation)
    {
        foreach (var archiveStorageLocation in ArchiveStorageLocations)
        {
            archiveStorageLocation.Default = archiveStorageLocation.Id == storageLocation.Id;
        }
    }
    
    string OnPathSelected(string path)
    {
        var appPath = Directory.GetCurrentDirectory();

        if (path != null && path.StartsWith(appPath))
            path = path.Substring(appPath.Length).TrimStart(Path.DirectorySeparatorChar).TrimEnd(Path.DirectorySeparatorChar);

        return path;
    }

    void OnPathSelected(StorageLocation storageLocation, string path)
    {
        storageLocation.Path = OnPathSelected(path);
    }

    void AddArchiveStorageLocation()
    {
        ArchiveStorageLocations.Add(new StorageLocation());

        StateHasChanged();
    }

    void RemoveArchiveStorageLocation(StorageLocation storageLocation)
    {
        ArchiveStorageLocations.Remove(storageLocation);
    }
}