<?php

namespace App\Http\Middleware;

use Illuminate\Http\Request;
use Inertia\Middleware;
use Modules\ApprovalWorkflow\Models\ApprovalChain;
use Modules\ContractorManagement\Models\Contractor;
use Modules\MaterialLogistics\Models\MaterialRequisition;
use Modules\MaterialLogistics\Models\PurchaseOrder;
use Modules\ProjectManagement\Models\Project;

class HandleInertiaRequests extends Middleware
{
    /**
     * The root template that is loaded on the first page visit.
     *
     * @var string
     */
    protected $rootView = 'app';

    /**
     * Determine the current asset version.
     */
    public function version(Request $request): ?string
    {
        return parent::version($request);
    }

    /**
     * Define the props that are shared by default.
     *
     * @return array<string, mixed>
     */
    public function share(Request $request): array
    {
        return [
            ...parent::share($request),
            'auth' => [
                'user' => $request->user()?->load(['contractor', 'employeeProfile', 'customerProfile']),
                'roles' => $request->user()?->getRoleNames() ?? [],
                'permissions' => $request->user()?->getAllPermissions()->pluck('name') ?? [],
            ],
            'flash' => [
                'success' => $request->session()->get('success'),
                'error' => $request->session()->get('error'),
            ],
            'sidebarBadges' => fn () => $request->user() ? (function () use ($request) {
                $user = $request->user();

                // Drafts belong to their creator. Submitted requests are
                // relevant only when the current user is an assigned approver.
                $ownDraftRequisitions = MaterialRequisition::where('status', 'draft')
                    ->where('requested_by', $user->id)
                    ->count();

                $assignedRequisitionApprovals = ApprovalChain::where('status', 'pending')
                    ->where('type', 'material_requisition')
                    ->whereHas('steps', function ($query) use ($user) {
                        $query->where('approver_id', $user->id)
                            ->where('status', 'pending');
                    })
                    ->count();

                $ownDraftPurchaseOrders = PurchaseOrder::where('status', 'draft')
                    ->where('requested_by', $user->id)
                    ->count();

                $assignedApprovals = ApprovalChain::where('status', 'pending')
                    ->whereHas('steps', function ($query) use ($user) {
                        $query->where('approver_id', $user->id)
                            ->where('status', 'pending');
                    })
                    ->count();

                return [
                    'pending_requisitions' => $ownDraftRequisitions + $assignedRequisitionApprovals,
                    'pending_purchase_orders' => $ownDraftPurchaseOrders,
                    'pending_approvals' => $assignedApprovals,
                ];
            })() : null,
            'projectOptions' => fn () => $request->user()
                ? Project::where('current_wizard_step', '>=', 7)
                    ->whereHas('bidPackages')
                    ->with('parentProject:id,ulid,name,code')
                    ->get(['id', 'ulid', 'name', 'code', 'project_type', 'parent_project_id', 'status'])
                : [],
            'unconfirmed_payments' => fn () => $request->user() ? (function () use ($request) {
                $visibleProjectIds = Project::query()->pluck('projects.id')->all();
                $pendingInvoices = \Modules\FinancialManagement\Models\FinancialInvoice::with('project:id,name,code')
                    ->whereIn('project_id', $visibleProjectIds)
                    ->where('status', 'payment_sent')
                    ->get(['id', 'ulid', 'invoice_number', 'project_id', 'total_amount', 'status'])
                    ->map(fn ($inv) => [
                        'id' => 'inv_' . $inv->id,
                        'ulid' => $inv->ulid,
                        'number' => $inv->invoice_number,
                        'project_name' => $inv->project?->name ?? 'Project',
                        'amount' => (float) $inv->total_amount,
                        'type' => 'invoice',
                        'confirm_url' => route('finance.confirm-payment', $inv->ulid),
                        'view_url' => route('finance.show', $inv->ulid),
                    ]);

                $pendingRetentions = \Modules\FinancialManagement\Models\RetentionEntry::with('project:id,name,code')
                    ->whereIn('project_id', $visibleProjectIds)
                    ->where('type', 'credit')
                    ->whereIn('status', ['payment_sent', 'submitted'])
                    ->get(['id', 'ulid', 'project_id', 'amount', 'status', 'description'])
                    ->map(fn ($ret) => [
                        'id' => 'ret_' . $ret->id,
                        'ulid' => $ret->ulid,
                        'number' => 'Retention Release',
                        'project_name' => $ret->project?->name ?? 'Project',
                        'amount' => (float) $ret->amount,
                        'type' => 'retention',
                        'status' => $ret->status,
                        'confirm_url' => route('retention.confirm', $ret->ulid),
                        'view_url' => route('retention.index'),
                    ]);

                $merged = $pendingInvoices->concat($pendingRetentions);
                return [
                    'count' => $merged->count(),
                    'total_amount' => (float) $merged->sum('amount'),
                    'items' => $merged->values()->all(),
                ];
            })() : ['count' => 0, 'total_amount' => 0, 'items' => []],
        ];
    }
}