<?php

namespace App\Http\Controllers;

use App\Models\Comment;
use Illuminate\Http\Request;

class CommentModerationController extends Controller
{
    /**
     * Display a listing of comments for moderation.
     */
    public function index(Request $request)
    {
        $query = Comment::with(['user', 'product', 'moderator']);

        // Filter by status
        if ($request->filled('status')) {
            $query->where('status', $request->status);
        } else {
            // Default to showing pending comments
            $query->where('status', 'pending');
        }

        // Search in comment body or user name
        if ($request->filled('search')) {
            $search = $request->search;
            $query->where(function ($q) use ($search) {
                $q->where('body', 'like', "%{$search}%")
                    ->orWhereHas('user', function ($userQuery) use ($search) {
                        $userQuery->where('name', 'like', "%{$search}%")
                            ->orWhere('email', 'like', "%{$search}%");
                    })
                    ->orWhereHas('product', function ($productQuery) use ($search) {
                        $productQuery->where('name', 'like', "%{$search}%");
                    });
            });
        }

        // Get counts for tabs
        $pendingCount = Comment::where('status', 'pending')->count();
        $approvedCount = Comment::where('status', 'approved')->count();
        $rejectedCount = Comment::where('status', 'rejected')->count();

        $comments = $query->latest()->paginate(20);

        return view('moderation.comments.index', compact(
            'comments',
            'pendingCount',
            'approvedCount',
            'rejectedCount'
        ));
    }

    /**
     * Show the form for editing a comment.
     */
    public function edit(Comment $comment)
    {
        $comment->load(['user', 'product', 'moderator']);

        return view('moderation.comments.edit', compact('comment'));
    }

    /**
     * Update the specified comment.
     */
    public function update(Request $request, Comment $comment)
    {
        $validated = $request->validate([
            'body' => ['required', 'string', 'max:1000'],
        ]);

        $comment->update($validated);

        return redirect()->route('moderation.comments.index')
            ->with('success', 'Comment updated successfully.');
    }

    /**
     * Approve a comment.
     */
    public function approve(Request $request, Comment $comment)
    {
        $validated = $request->validate([
            'moderation_note' => ['nullable', 'string', 'max:500'],
        ]);

        $comment->update([
            'status' => 'approved',
            'moderated_by' => auth()->id(),
            'moderated_at' => now(),
            'moderation_note' => $validated['moderation_note'] ?? null,
        ]);

        return back()->with('success', 'Comment approved successfully.');
    }

    /**
     * Reject a comment.
     */
    public function reject(Request $request, Comment $comment)
    {
        $validated = $request->validate([
            'moderation_note' => ['nullable', 'string', 'max:500'],
        ]);

        $comment->update([
            'status' => 'rejected',
            'moderated_by' => auth()->id(),
            'moderated_at' => now(),
            'moderation_note' => $validated['moderation_note'] ?? null,
        ]);

        return back()->with('success', 'Comment rejected successfully.');
    }

    /**
     * Set comment back to pending status.
     */
    public function setPending(Request $request, Comment $comment)
    {
        $validated = $request->validate([
            'moderation_note' => ['nullable', 'string', 'max:500'],
        ]);

        $comment->update([
            'status' => 'pending',
            'moderated_by' => auth()->id(),
            'moderated_at' => now(),
            'moderation_note' => $validated['moderation_note'] ?? null,
        ]);

        return back()->with('success', 'Comment status changed to pending review.');
    }

    /**
     * Delete a comment.
     */
    public function destroy(Comment $comment)
    {
        $comment->delete();

        return redirect()->route('moderation.comments.index')
            ->with('success', 'Comment deleted successfully.');
    }
}