<?php
// app/Http/Controllers/LeadController.php
namespace App\Http\Controllers;

use App\Models\Lead;
use App\Models\Deal;
use App\Models\LeadActivity;
use App\Models\User;
use App\Services\LeadConversionService;

use Illuminate\Http\Request;

use Maatwebsite\Excel\Facades\Excel;
use App\Imports\LeadsImport;

class LeadController extends Controller
{
    public function index() {
        $leads = Lead::with('user')->paginate(10);
        return view('leads.index', compact('leads'));
    }

    public function create() {
        $users = User::all();
        return view('leads.create', compact('users'));
    }

    public function store(Request $request) {
        $request->validate([
            'first_name' => 'required|string|max:255',
            'last_name' => 'required|string|max:255',
            'email' => 'nullable|email',
            'phone' => 'nullable|string',
            'status' => 'required|string',
        ]);
        Lead::create($request->all());
        return redirect()->route('leads.index')->with('success', 'Lead created successfully');
    }

    public function show(Lead $lead) {
        return view('leads.show', compact('lead'));
    }

    public function edit(Lead $lead) {
        $users = User::all();
        return view('leads.edit', compact('lead','users'));
    }

    public function update(Request $request, Lead $lead) {
        $lead->update($request->all());
        return redirect()->route('leads.index')->with('success', 'Lead updated successfully');
    }

    public function destroy(Lead $lead) {
        $lead->delete();
        return redirect()->route('leads.index')->with('success', 'Lead deleted successfully');
    }

    public function storeActivity(Request $request, $leadId)
    {
        $request->validate([
            'type' => 'required|string',
            'description' => 'nullable|string',
        ]);

        LeadActivity::create([
            'lead_id' => $leadId,
            'user_id' => auth()->id(),
            'type' => $request->type,
            'description' => $request->description,
        ]);

        return redirect()->route('leads.show', $leadId)->with('success', 'Activity added.');
    }

    /**
     * Convert qualified lead into a deal
     */
    public function qualify(Lead $lead)
    {
        if ($lead->status !== 'Qualified') {
            return redirect()->back()->with('error', 'Lead must be qualified first');
        }
        
        $service = new LeadConversionService();
        $convertedLead = $service->convert($lead, auth()->id());

        return redirect()->route('deals.index')->with('success', 'Lead converted to Deal');
    }

    /** Import from excel */
    public function import(Request $request)
    {
        $request->validate([
            'file' => 'required|mimes:xlsx,xls,csv'
        ]);

        Excel::import(new LeadsImport, $request->file('file'));

        return back()->with('success', 'Leads imported successfully.');
    }

}