<?php

namespace App\Http\Controllers;

use App\Models\PlatformAccount;
use App\Models\PlatformInstance;
use App\Enums\PlatformEnum;
use Illuminate\Http\Request;
use Illuminate\Contracts\View\View;
use Illuminate\Http\RedirectResponse;

class PlatformAccountsController extends Controller
{
    public function index(): View
    {
        $accounts = PlatformAccount::orderBy('platform')->orderBy('created_at', 'desc')->get();

        return view('pages.platforms.index', compact('accounts'));
    }

    public function create(): View
    {
        return view('pages.platforms.create');
    }

    public function store(Request $request): RedirectResponse
    {
        $validated = $request->validate([
            'platform' => 'required|in:lemmy,mastodon,reddit',
            'instance_url' => 'required|url',
            'username' => 'required|string|max:255',
            'password' => 'required|string',
            'settings' => 'nullable|array',
        ]);

        // Create or find platform instance
        $platformEnum = PlatformEnum::from($validated['platform']);
        $instance = PlatformInstance::firstOrCreate([
            'platform' => $platformEnum,
            'url' => $validated['instance_url'],
        ], [
            'name' => parse_url($validated['instance_url'], PHP_URL_HOST),
            'description' => ucfirst($validated['platform']) . ' instance',
            'is_active' => true,
        ]);

        $account = PlatformAccount::create($validated);

        // If this is the first account for this platform, make it active
        if (! PlatformAccount::where('platform', $validated['platform'])->where('is_active', true)->exists()) {
            $account->setAsActive();
        }

        // Check if there's a redirect_to parameter for onboarding flow
        $redirectTo = $request->input('redirect_to');
        if ($redirectTo) {
            return redirect($redirectTo)
                ->with('success', 'Platform account created successfully!');
        }

        return redirect()->route('platforms.index')
            ->with('success', 'Platform account created successfully!');
    }

    public function edit(PlatformAccount $platformAccount): View
    {
        return view('pages.platforms.edit', compact('platformAccount'));
    }

    public function update(Request $request, PlatformAccount $platformAccount): RedirectResponse
    {
        $validated = $request->validate([
            'instance_url' => 'required|url',
            'username' => 'required|string|max:255',
            'password' => 'nullable|string',
            'settings' => 'nullable|array',
        ]);

        // Don't update password if not provided
        if (empty($validated['password'])) {
            unset($validated['password']);
        }

        $platformAccount->update($validated);

        return redirect()->route('platforms.index')
            ->with('success', 'Platform account updated successfully!');
    }

    public function destroy(PlatformAccount $platformAccount): RedirectResponse
    {
        $platformAccount->delete();

        return redirect()->route('platforms.index')
            ->with('success', 'Platform account deleted successfully!');
    }

    public function setActive(PlatformAccount $platformAccount): RedirectResponse
    {
        $platformAccount->setAsActive();

        return redirect()->route('platforms.index')
            ->with('success', "Set $platformAccount->username@$platformAccount->instance_url as active for {$platformAccount->platform->value}!");
    }
}