<?php

namespace App\Controllers;

use App\Core\Request;
use App\Core\Response;
use App\Models\Campaign;

class CampaignController extends BaseController
{
    /**
     * List all campaigns for the company
     */
    public function index(Request $request, Response $response)
    {
        $campaignModel = new Campaign();
        $campaigns = $campaignModel->findAllByCompany($request->company_id);
        
        $response->json([
            'status' => 'success',
            'data' => $campaigns
        ]);
    }

    /**
     * Create a new broadcast campaign
     */
    public function store(Request $request, Response $response)
    {
        $errors = $this->validate($request, [
            'name' => 'required',
            'group_id' => 'required',
            'session_id' => 'required',
            'template_id' => 'required'
        ]);

        if (!empty($errors)) {
            $response->status(400)->json(['status' => 'error', 'errors' => $errors]);
            return;
        }

        $body = $request->getBody();
        $campaignModel = new Campaign();

        // In a real dispatch scenario, we would enqueue jobs here
        // to iterate over the contacts in the group, replace template variables,
        // and add entries to messages_log with 'pending' status.
        
        $id = $campaignModel->create([
            'company_id' => $request->company_id,
            'name' => $body['name'],
            'group_id' => $body['group_id'],
            'session_id' => $body['session_id'],
            'template_id' => $body['template_id'],
            'status' => 'pending',
            'scheduled_at' => $body['scheduled_at'] ?? null
        ]);

        $response->status(201)->json([
            'status' => 'success',
            'message' => 'Campaign queued successfully',
            'id' => $id
        ]);
    }
}