<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Inertia\Inertia;

use App\Models\Project;
use App\Models\SmartdokProfile;
use App\Models\Department;

class ProjectController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index(Request $request) {
        $projects = Project::with(['profiles', 'departments'])
            ->orderBy('project_name')
            ->paginate(10)
            ->through(fn($project) => [
                'id'              => $project->id,
                'project_name'    => $project->project_name,
                'project_number'  => $project->project_number,
                'user_ids'        => $project->profiles->pluck('id'),
                'department_ids'  => $project->departments->pluck('id'),
            ]);

        return Inertia::render('Project/Index', [
            'projects' => $projects,
            'filters'  => $request->only(['page']),
        ]);
    }

    /**
     * Show the form for creating a new resource.
     */
    public function create() {
        $profiles = SmartdokProfile::orderBy('name')
            ->get()
            ->map(fn($p) => ['id' => $p->id, 'name' => $p->name]);

        $departments = Department::orderBy('name')
            ->get()
            ->map(fn($d) => ['id' => $d->id, 'name' => $d->name]);

        return Inertia::render('Project/Create', [
            'profiles'    => $profiles,
            'departments' => $departments,
        ]);
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(Request $request) {
        $data = $request->validate([
            'project_name'     => 'required|string|max:255',
            'project_number'   => 'required|string|max:255|unique:projects,project_number',
            'user_ids'         => 'sometimes|array',
            'user_ids.*'       => 'uuid|exists:smartdok_profiles,id',
            'department_ids'   => 'sometimes|array',
            'department_ids.*' => 'integer|exists:departments,id',
        ]);

        $project = Project::create([
            'project_name'   => $data['project_name'],
            'project_number' => $data['project_number'],
        ]);

        $project->profiles()->sync($data['user_ids'] ?? []);
        $project->departments()->sync($data['department_ids'] ?? []);

        return redirect()
            ->route('smartdok.projects.index')
            ->with('success', 'Project created successfully.');
    }

    /**
     * Display the specified resource.
     */
    public function show(string $id) {
        $project = Project::with(['profiles', 'departments'])->findOrFail($id);

        return Inertia::render('Project/Show', [
            'project' => [
                'id'             => $project->id,
                'project_name'   => $project->project_name,
                'project_number' => $project->project_number,
                'profiles'       => $project->profiles->map(fn ($p) => [
                    'id'       => $p->id,
                    'username' => $p->username,
                    'name'     => $p->name,
                ]),
                'departments'    => $project->departments->map(fn ($d) => [
                    'id'   => $d->id,
                    'name' => $d->name,
                ]),
            ],
        ]);
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit(string $id) {
        $project = Project::with(['profiles', 'departments'])
            ->findOrFail($id);

        $profiles = SmartdokProfile::orderBy('name')
            ->get()
            ->map(fn($p) => ['id' => $p->id, 'name' => $p->name]);

        $departments = Department::orderBy('name')
            ->get()
            ->map(fn($d) => ['id' => $d->id, 'name' => $d->name]);

        return Inertia::render('Project/Edit', [
            'project'     => [
                'id'              => $project->id,
                'project_name'    => $project->project_name,
                'project_number'  => $project->project_number,
                // ensure these are plain arrays, not Collections
                'user_ids'        => $project->profiles->pluck('id')->all(),
                'department_ids'  => $project->departments->pluck('id')->all(),
            ],
            'profiles'    => $profiles,
            'departments' => $departments,
        ]);
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, string $id) {
        $project = Project::findOrFail($id);

        $data = $request->validate([
            'project_name'     => 'required|string|max:255',
            'project_number'   => 'required|string|max:255|unique:projects,project_number,' . $project->id,
            'user_ids'         => 'sometimes|array',
            'user_ids.*'       => 'uuid|exists:smartdok_profiles,id',
            'department_ids'   => 'sometimes|array',
            'department_ids.*' => 'integer|exists:departments,id',
        ]);

        $project->update([
            'project_name'   => $data['project_name'],
            'project_number' => $data['project_number'],
        ]);

        $project->profiles()->sync($data['user_ids'] ?? []);
        $project->departments()->sync($data['department_ids'] ?? []);

        return redirect()
            ->route('smartdok.projects.index')
            ->with('success', 'Project updated successfully.');
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(string $id) {
        $project = Project::findOrFail($id);
        $project->delete();

        return redirect()
            ->route('smartdok.projects.index')
            ->with('success', 'Project deleted successfully.');
    }
}