@using RackPeek.Domain.Resources.Models
@using RackPeek.Domain.Resources.SystemResources
@using RackPeek.Domain.Resources.SystemResources.UseCases
@inject UpdateSystemUseCase UpdateSystemUseCase
@inject GetSystemUseCase GetSystemUseCase
@inject AddSystemDriveUseCase AddSystemDriveUseCase
@inject RemoveSystemDriveUseCase RemoveSystemDriveUseCase
@inject UpdateSystemDriveUseCase UpdateSystemDriveUseCase
@inject DeleteSystemUseCase DeleteSystemUseCase
@inject CloneSystemUseCase CloneSystemUseCase
@inject NavigationManager Nav
@inject RenameSystemUseCase RenameSystemUseCase

<div class="border border-zinc-800 rounded p-4 bg-zinc-900">
    <div class="flex justify-between items-center mb-3">
        <NavLink href="@($"resources/systems/{System.Name}")" class="block">

            <div class="text-zinc-100 hover:text-emerald-300">
                @System.Name
            </div>
        </NavLink>

        <div class="flex gap-3 text-xs">
            @if (!_isEditing)
            {
                <button class="text-zinc-400 hover:text-zinc-200"
                        @onclick="BeginEdit">
                    Edit
                </button>

                <button class="text-xs text-blue-400 hover:text-blue-300 transition"
                        title="Rename service"
                        @onclick="OpenRename">
                    Rename
                </button>
                
                <button
                    class="text-xs text-emerald-400 hover:text-emerald-300 transition"
                    title="Clone service"
                    @onclick="OpenClone">
                    Clone
                </button>
                
                <button
                    class="text-xs text-red-400 hover:text-red-300 transition"
                    title="Delete server"
                    @onclick="ConfirmDelete">
                    Delete
                </button>
            }
            else
            {
                <button class="text-emerald-400 hover:text-emerald-300"
                        @onclick="Save">
                    Save
                </button>
                <button class="text-zinc-500 hover:text-zinc-300"
                        @onclick="Cancel">
                    Cancel
                </button>
            }
        </div>
    </div>

    <div class="grid grid-cols-1 md:grid-cols-2 gap-3 text-sm">

        <!-- Type -->
        <!-- Type -->
        <div>
            <div class="text-zinc-400 mb-1">Type</div>

            @if (_isEditing)
            {
                <select                      class="w-full px-3 py-2 rounded-md
                           bg-zinc-800 text-zinc-100
                           border border-zinc-600
                           placeholder-zinc-500
                           focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500
                           hover:border-zinc-400
                           transition-colors duration-150
                           cursor-text"
                        @bind="_edit.Type">
                    @foreach (var type in SystemResource.ValidSystemTypes)
                    {
                        <option value="@type">@type</option>
                    }
                </select>
            }
            else if (!string.IsNullOrWhiteSpace(System.Type))
            {
                <div class="text-zinc-300">@System.Type</div>
            }
        </div>


        <!-- OS -->
        <div>
            <div class="text-zinc-400 mb-1">OS</div>
            @if (_isEditing)
            {
                <input
                    class="w-full px-3 py-2 rounded-md
                           bg-zinc-800 text-zinc-100
                           border border-zinc-600
                           placeholder-zinc-500
                           focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500
                           hover:border-zinc-400
                           transition-colors duration-150
                           cursor-text"
                       @bind="_edit.Os"/>
            }
            else if (!string.IsNullOrWhiteSpace(System.Os))
            {
                <div class="text-zinc-300">@System.Os</div>
            }
        </div>

        <!-- Cores -->
        <div>
            <div class="text-zinc-400 mb-1">Cores</div>
            @if (_isEditing)
            {
                <input type="number"
                       class="w-full px-3 py-2 rounded-md
                           bg-zinc-800 text-zinc-100
                           border border-zinc-600
                           placeholder-zinc-500
                           focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500
                           hover:border-zinc-400
                           transition-colors duration-150
                           cursor-text"
                       @bind="_edit.Cores"/>
            }
            else if (System.Cores.HasValue)
            {
                <div class="text-zinc-300">@System.Cores</div>
            }
        </div>

        <!-- RAM -->
        <div>
            <div class="text-zinc-400 mb-1">RAM (GB)</div>
            @if (_isEditing)
            {
                <input type="number"
                       class="w-full px-3 py-2 rounded-md
                           bg-zinc-800 text-zinc-100
                           border border-zinc-600
                           placeholder-zinc-500
                           focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500
                           hover:border-zinc-400
                           transition-colors duration-150
                           cursor-text"
                       @bind="_edit.Ram"/>
            }
            else if (System.Ram.HasValue)
            {
                <div class="text-zinc-300">@System.Ram GB</div>
            }
        </div>

        <!-- Runs On -->
        <div>
            <div class="text-zinc-400 mb-1">Runs On</div>
            @if (_isEditing)
            {
                <button
                    class="hover:text-emerald-400"
                    title="Edit Runs On"
                    @onclick="() => _selectParentOpen = true">
                    @if (!string.IsNullOrWhiteSpace(System.RunsOn))
                    {
                        @($"{System.RunsOn} +")
                    }
                    else
                    {
                        @("Edit parent")
                    }

                </button>
            }
            else if (!string.IsNullOrWhiteSpace(System.RunsOn))
            {
                <NavLink href="@($"resources/hardware/{System.RunsOn}")"
                         class="text-emerald-400 text-sm">
                    @System.RunsOn
                </NavLink>
            }
        </div>

        <div>
            <div class="flex items-center justify-between mb-1 group">
                <div class="text-zinc-400">Drives
                    <button
                        class="hover:text-emerald-400 group-hover:opacity-100 transition"
                        title="Add Drive"
                        @onclick="OpenAddDrive">
                        +
                    </button>
                </div>
            </div>

            @if (System.Drives?.Any() == true)
            {
                @foreach (var drive in System.Drives)
                {
                    <div
                        class="flex items-center justify-between text-zinc-300 group hover:bg-zinc-800/40 rounded px-1 py-0.5">

                        <div class="flex gap-2 group-hover:opacity-100 transition">
                            <button
                                class="hover:text-emerald-400"
                                title="Edit Drive"
                                @onclick="() => OpenEditDrives(drive)">
                                @drive.Type — @drive.Size GB
                            </button>
                        </div>
                    </div>
                }
            }
        </div>
        <ResourceTagEditor Resource="System" />

        <div class="md:col-span-2">
            <div class="text-zinc-400 mb-1">Notes</div>

            @if (_isEditing)
            {
                <MarkdownEditor
                    @bind-Value="_edit.Notes"
                    ShowActionButtons="false" />
            }
            else
            {
                <MarkdownViewer
                    Value="@System.Notes"
                    ShowEditButton="false" />
            }
        </div>
        
    </div>
</div>

<HardwareSelectionModal
    IsOpen="@_selectParentOpen"
    IsOpenChanged="v => _selectParentOpen = v"
    Title="Select a parent"
    Value="@SelectedParentName"
    OnAccept="HandleParentSelected"/>
<DriveModal
    IsOpen="@_driveModalOpen"
    IsOpenChanged="v => _driveModalOpen = v"
    Value="@_editingDrive"
    OnSubmit="HandleDriveSubmit"
    OnDelete="HandleDriveDelete"/>

<ConfirmModal
    IsOpen="_confirmDeleteOpen"
    IsOpenChanged="v => _confirmDeleteOpen = v"
    Title="Delete service"
    ConfirmText="Delete"
    ConfirmClass="bg-red-600 hover:bg-red-500"
    OnConfirm="DeleteServer">
    Are you sure you want to delete <strong>@System.Name</strong>?
    <br/>
    This will detach all dependent systems.
</ConfirmModal>

<StringValueModal
    IsOpen="_cloneOpen"
    IsOpenChanged="v => _cloneOpen = v"
    Title="Clone system"
    Description="Enter a name for the cloned system"
    Label="New system name"
    Value="@($"{System.Name}-copy")"
    OnSubmit="HandleCloneSubmit" />

@code {
    [Parameter] [EditorRequired] public SystemResource System { get; set; } = default!;

    [Parameter] public EventCallback<SystemEditModel> OnSave { get; set; }

    private bool _isEditing;
    private SystemEditModel _edit = new();

    void BeginEdit()
    {
        _edit = SystemEditModel.From(System);
        _isEditing = true;
    }

    async Task Save()
    {
        _isEditing = false;
        await OnSave.InvokeAsync(_edit);
    }

    void Cancel()
    {
        _isEditing = false;
    }

    bool _selectParentOpen;
    string? SelectedParentName;

    async Task HandleParentSelected(string? name)
    {
        SelectedParentName = name;
        await UpdateSystemUseCase.ExecuteAsync(
            System.Name,
            System.Type,
            System.Os,
            System.Cores,
            System.Ram,
            name,
            System.Notes);
        System = await GetSystemUseCase.ExecuteAsync(System.Name);
        _edit = SystemEditModel.From(System);
    }


    #region Drives

    bool _driveModalOpen;
    int _editingDriveIndex;
    Drive? _editingDrive;

    void OpenAddDrive()
    {
        _editingDriveIndex = -1;
        _editingDrive = null;
        _driveModalOpen = true;
    }

    void OpenEditDrives(Drive drive)
    {
        _editingDrive = drive;
        System.Drives ??= new List<Drive>();
        _editingDriveIndex = System.Drives.IndexOf(drive);
        ;
        _driveModalOpen = true;
    }

    async Task HandleDriveSubmit(Drive drive)
    {
        System.Drives ??= new List<Drive>();

        if (_editingDriveIndex < 0)
        {
            await AddSystemDriveUseCase.ExecuteAsync(System.Name, drive.Type ?? "hdd", drive.Size ?? 0);
        }
        else
        {
            await UpdateSystemDriveUseCase.ExecuteAsync(System.Name, _editingDriveIndex, drive.Type ?? "hdd", drive.Size ?? 0);
        }

        System = await GetSystemUseCase.ExecuteAsync(System.Name);
        StateHasChanged();
    }

    async Task HandleDriveDelete(Drive drive)
    {
        await RemoveSystemDriveUseCase.ExecuteAsync(System.Name, _editingDriveIndex);
        System = await GetSystemUseCase.ExecuteAsync(System.Name);
        StateHasChanged();
    }

    #endregion


}

<StringValueModal
    IsOpen="_renameOpen"
    IsOpenChanged="v => _renameOpen = v"
    Title="Rename system"
    Description="Enter a new name for this system"
    Label="New system name"
    Value="@System.Name"
    OnSubmit="HandleRenameSubmit" />

@code {
    private bool _confirmDeleteOpen;
    [Parameter] public EventCallback<string> OnDeleted { get; set; }

    void ConfirmDelete()
    {
        _confirmDeleteOpen = true;
    }

    async Task DeleteServer()
    {
        _confirmDeleteOpen = false;

        await DeleteSystemUseCase.ExecuteAsync(System.Name);

        if (OnDeleted.HasDelegate)
            await OnDeleted.InvokeAsync(System.Name);
    }

}

@code
{
    bool _cloneOpen;

    void OpenClone()
    {
        _cloneOpen = true;
    }

    async Task HandleCloneSubmit(string newName)
    {
        await CloneSystemUseCase.ExecuteAsync(System.Name, newName);

        Nav.NavigateTo($"resources/systems/{newName}");
    }

}

@code
{
    bool _renameOpen;

    void OpenRename()
    {
        _renameOpen = true;
    }

    async Task HandleRenameSubmit(string newName)
    {
        await RenameSystemUseCase.ExecuteAsync(System.Name, newName);
        Nav.NavigateTo($"resources/systems/{newName}");
    }

}