<?php

namespace Modules\StaffPayroll\Http\Controllers\API;

use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Illuminate\Support\Facades\DB;
use Illuminate\Contracts\Support\Renderable;
use Modules\StaffPayroll\Entities\Invoice;
use Modules\StaffPayroll\Entities\InvoiceItem;
use Modules\StaffPayroll\Transformers\InvoiceItemResource;

class InvoiceItemController extends Controller
{
    public function index(Request $request)
    {
        $invoiceItems = InvoiceItem::query()
            ->with([
                'invoice.user',
                'video',
            ])
            ->when(auth()->user()->role->type !== 'superadmin', fn ($query) => $query->whereHas('invoice.user', fn ($query) => $query->where('id', auth()->id())))
            ->paginate();

        return InvoiceItemResource::collection($invoiceItems);
    }

    public function total(Request $request)
    {
        $totalAmount = InvoiceItem::query()
            ->when(!permissionCheck('invoices.view.all') && permissionCheck('invoices.index'), function($query) {
                $query->whereHas('invoice', function($query) {
                    $query->where('user_id', auth()->id());
                });
            })
            ->when($request->filled('invoice_no'), function($query) use($request) {
                $invoice_no = $request->invoice_no;

                $query->whereHas('invoice', function($query) use($invoice_no) {
                    $query->where('id', $invoice_no); 
                });
            })
            ->when($request->filled('creators'), function($query) use($request) {
                $creators = $request->creators;

                $query->whereHas('invoice', function($query) use($creators) {
                    $query->whereIn('user_id', $creators);
                });
            })
            ->when($request->filled('start_date') && $request->filled('end_date'), function($query) use($request) {
                $query->whereHas('invoice', function($query) use($request) {
                    $query->whereBetween(DB::raw('DATE(invoices.created_at)'), [$request->start_date, $request->end_date]); 
                });
            })
            ->when($request->filled('status') && $request->status != 'ALL', function($query) use($request) {
                $status = $request->status;

                $query->whereHas('invoice', function($query) use($status) {
                    $query->where('status', $status);
                });
            })
            ->when($request->filled('approval') && $request->approval != 'ALL', function($query) use($request) {
                $approval = $request->approval;

                $query->whereHas('invoice', function($query) use($approval) {
                    if ($approval == 'APPROVED') {
                        $query->where('is_approved', true);
                    }
                    else {
                        $query->where('is_approved', false);
                    }
                });
            })
            ->sum(DB::raw('amount * quantity'));

        $totalPaid = InvoiceItem::query()
            ->whereHas('invoice', fn ($query) => $query->where('status', Invoice::STATUS_PAID))
            ->when(!permissionCheck('invoices.view.all') && permissionCheck('invoices.index'), function($query) {
                $query->whereHas('invoice', function($query) {
                    $query->where('user_id', auth()->id());
                });
            })
            ->when($request->filled('invoice_no'), function($query) use($request) {
                $invoice_no = $request->invoice_no;

                $query->whereHas('invoice', function($query) use($invoice_no) {
                    $query->where('id', $invoice_no); 
                });
            })
            ->when($request->filled('creators'), function($query) use($request) {
                $creators = $request->creators;

                $query->whereHas('invoice', function($query) use($creators) {
                    $query->whereIn('user_id', $creators);
                });
            })
            ->when($request->filled('start_date') && $request->filled('end_date'), function($query) use($request) {
                $query->whereHas('invoice', function($query) use($request) {
                    $query->whereBetween(DB::raw('DATE(invoices.created_at)'), [$request->start_date, $request->end_date]); 
                });
            })
            ->when($request->filled('status') && $request->status != 'ALL', function($query) use($request) {
                $status = $request->status;

                $query->whereHas('invoice', function($query) use($status) {
                    $query->where('status', $status);
                });
            })
            ->when($request->filled('approval') && $request->approval != 'ALL', function($query) use($request) {
                $approval = $request->approval;

                $query->whereHas('invoice', function($query) use($approval) {
                    if ($approval == 'APPROVED') {
                        $query->where('is_approved', true);
                    }
                    else {
                        $query->where('is_approved', false);
                    }
                });
            })
            ->sum(DB::raw('amount * quantity'));

        $totalDue = InvoiceItem::query()
            ->whereHas('invoice', fn ($query) => $query->where('status', Invoice::STATUS_OVERDUE))
            ->when(!permissionCheck('invoices.view.all') && permissionCheck('invoices.index'), function($query) {
                $query->whereHas('invoice', function($query) {
                    $query->where('user_id', auth()->id());
                });
            })
            ->when($request->filled('invoice_no'), function($query) use($request) {
                $invoice_no = $request->invoice_no;

                $query->whereHas('invoice', function($query) use($invoice_no) {
                    $query->where('id', $invoice_no); 
                });
            })
            ->when($request->filled('creators'), function($query) use($request) {
                $creators = $request->creators;

                $query->whereHas('invoice', function($query) use($creators) {
                    $query->whereIn('user_id', $creators);
                });
            })
            ->when($request->filled('start_date') && $request->filled('end_date'), function($query) use($request) {
                $query->whereHas('invoice', function($query) use($request) {
                    $query->whereBetween(DB::raw('DATE(invoices.created_at)'), [$request->start_date, $request->end_date]); 
                });
            })
            ->when($request->filled('status') && $request->status != 'ALL', function($query) use($request) {
                $status = $request->status;

                $query->whereHas('invoice', function($query) use($status) {
                    $query->where('status', $status);
                });
            })
            ->when($request->filled('approval') && $request->approval != 'ALL', function($query) use($request) {
                $approval = $request->approval;

                $query->whereHas('invoice', function($query) use($approval) {
                    if ($approval == 'APPROVED') {
                        $query->where('is_approved', true);
                    }
                    else {
                        $query->where('is_approved', false);
                    }
                });
            })
            ->sum(DB::raw('amount * quantity'));

        return [
            'total' => $totalAmount,
            'total_paid' => $totalPaid,
            'total_due' => $totalDue
        ];
    }

    public function highestTotalAmount()
    {
        $invoiceItem = InvoiceItem::query()
            ->select(DB::raw('invoice_id, sum(quantity * amount) as total'))
            ->groupBy('invoice_id')
            ->orderBy('total', 'desc')
            ->first();

        $total = $invoiceItem ? $invoiceItem->total : 100;

        return [
            'total' => (float) $total
        ];
    }
}