<?php

namespace App\Http\Controllers;

use App\Http\Requests\ProfileUpdateRequest;
use App\Models\Member;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Redirect;
use Illuminate\Support\Facades\Storage;
use Illuminate\View\View;

class ProfileController extends Controller
{
    /**
     * Display the user's profile form.
     */
    public function edit(Request $request): View
    {
        return view('profile.edit', [
            'user' => $request->user(),
            'member' => $request->user()->member,
        ]);
    }

    /**
     * Update the user's profile information.
     */
    public function update(ProfileUpdateRequest $request): RedirectResponse
    {
        $validated = $request->validated();

        $request->user()->fill($validated);

        if ($request->hasFile('profile_photo')) {
            $path = $request->file('profile_photo')->store('profile-photos', 'public');

            if ($request->user()->profile_photo_path) {
                Storage::disk('public')->delete($request->user()->profile_photo_path);
            }

            $request->user()->profile_photo_path = $path;
        }

        if ($request->user()->isDirty('email')) {
            $request->user()->email_verified_at = null;
        }

        $request->user()->save();

        $memberFields = [
            'phone',
            'address_line_1',
            'address_line_2',
            'city',
            'postal_code',
            'emergency_contact_name',
            'emergency_contact_phone',
        ];

        $memberData = collect($validated)
            ->only($memberFields)
            ->filter(function ($value, $key) {
                return true;
            });

        if ($memberData->isNotEmpty()) {
            $member = $request->user()->member;

            if ($member) {
                $member->fill($memberData->all());
                $member->save();
            }
        }

        return Redirect::route('profile.edit')->with('status', 'profile-updated');
    }

    /**
     * Delete the user's account.
     */
    public function destroy(Request $request): RedirectResponse
    {
        $request->validateWithBag('userDeletion', [
            'password' => ['required', 'current_password'],
        ]);

        $user = $request->user();

        Auth::logout();

        $user->delete();

        $request->session()->invalidate();
        $request->session()->regenerateToken();

        return Redirect::to('/');
    }

    /**
     * Upload disability certificate.
     */
    public function uploadDisabilityCertificate(Request $request): RedirectResponse
    {
        $request->validate([
            'disability_certificate' => 'required|file|mimes:jpg,jpeg,png,pdf|max:10240',
        ]);

        $member = $request->user()->member;

        if (!$member) {
            return Redirect::route('profile.edit')->with('error', '請先建立會員資料');
        }

        // Delete old certificate if exists
        if ($member->disability_certificate_path) {
            Storage::disk('private')->delete($member->disability_certificate_path);
        }

        // Upload new certificate
        $path = $request->file('disability_certificate')->store('disability-certificates', 'private');

        // Update member record
        $member->update([
            'disability_certificate_path' => $path,
            'disability_certificate_status' => Member::DISABILITY_STATUS_PENDING,
            'disability_verified_by' => null,
            'disability_verified_at' => null,
            'disability_rejection_reason' => null,
        ]);

        return Redirect::route('profile.edit')->with('status', 'disability-certificate-uploaded');
    }

    /**
     * View disability certificate.
     */
    public function viewDisabilityCertificate(Request $request)
    {
        $member = $request->user()->member;

        if (!$member || !$member->disability_certificate_path) {
            abort(404, '找不到身心障礙手冊');
        }

        if (!Storage::disk('private')->exists($member->disability_certificate_path)) {
            abort(404, '檔案不存在');
        }

        return Storage::disk('private')->response($member->disability_certificate_path);
    }
}