<?php

namespace App\Services;

use App\Models\Lead;

class AssignmentService
{
    public function __construct(private LeadService $leadService) {}

    public function assignToAgent(int $leadId, int $agentId, int $assignedById): Lead
    {
        $lead = Lead::findOrFail($leadId);

        return $this->leadService->assignLead($lead, $agentId, $assignedById);
    }

    public function bulkAssign(array $leadIds, int $agentId, int $assignedById): array
    {
        $results = [];
        foreach ($leadIds as $leadId) {
            $results[] = $this->assignToAgent($leadId, $agentId, $assignedById);
        }

        return $results;
    }

    public function roundRobin(array $leadIds, array $agentIds, int $assignedById): array
    {
        $leads = Lead::whereIn('id', $leadIds)->get();

        return $this->leadService->roundRobinAssign($leads, $agentIds, $assignedById);
    }

    public function assignByCampaign(int $campaignId, array $agentIds, int $assignedById): array
    {
        $leads = Lead::where('campaign_id', $campaignId)->where('is_unassigned', true)->get();

        return $this->leadService->roundRobinAssign($leads, $agentIds, $assignedById);
    }

    public function returnToPool(int $leadId): Lead
    {
        $lead = Lead::findOrFail($leadId);
        $lead->update([
            'assigned_to' => null,
            'assigned_by' => null,
            'is_unassigned' => true,
        ]);

        ActivityLogger::log('lead_returned_to_pool', "Lead {$leadId} returned to unassigned pool", $lead);

        return $lead->fresh();
    }
}