<?php

namespace Modules\PMS\Repositories;

use Illuminate\Support\Facades\DB;
use Modules\PMS\Models\KanbanColumn;
use Modules\PMS\Models\Task;

class TaskRepository implements TaskInterface
{
    public function findAll($filters = [], $limit = null, $offset = null)
    {
        return Task::when(true, function ($query) use ($filters) {
            $query->whereNull("parent_id");

            if (isset($filters["search"])) {
                $search = $filters['search'];
                $query->whereAny(['title'], 'LIKE', "%$search%");
            }

            if (isset($filters["status"])) {
                $query->where("status", $filters["status"]);
            }

            if (isset($filters["priority"])) {
                $query->where("priority", $filters["priority"]);
            }

            if (isset($filters["date"])) {
                $explodeDate = explode("to", $filters['date']);
                $query->whereBetween("start_date", [$explodeDate[0], preg_replace('/\s+/', '', $explodeDate[1])]);
            }

            if (isset($filters["assigned_to"])) {
                $query->whereJsonContains("assigned_id->ids", (string) $filters['assigned_to']);
            }

            if (auth()->user()->hasRole('employee')) {
                $assigned_id = auth()->user()->employee_id;
                $query->whereJsonContains("assigned_id->ids", (string) $assigned_id);
            }

        })
            ->with('assignedUser:id,first_name,middle_name,last_name,profile_picture')
            ->latest()
            ->limit($limit)
            ->get();
    }

    public function getTaskById($TaskId)
    {
        return Task::findOrFail($TaskId);
    }

    public function delete($TaskId)
    {
        Task::destroy($TaskId);
    }

    public function create($TaskDetails)
    {
        return Task::create($TaskDetails);
    }

    public function update($TaskId, array $newDetails)
    {
        return Task::whereId($TaskId)->update($newDetails);
    }

    public function pluck()
    {
        return Task::pluck(DB::raw('CONCAT(first_name," ", middle_name , " ",last_name) AS full_name'), 'id');
    }

    public function getAllTasks($filters = [])
    {
        return Task::with('subTask')->when(true, function ($query) use ($filters) {
            $query->whereNull("parent_id");
            if (isset($filters["project_id"])) {
                $query->where("project_id", $filters["project_id"]);
            }

            if (isset($filters["date"])) {
                $explodeDate = explode("to", $filters['date']);
                $query->whereBetween("start_date", [$explodeDate[0], preg_replace('/\s+/', '', $explodeDate[1])]);
            }

        })
        // ->latest()
            ->get();
    }

    public function findAllWithRelations(array $relations = [], $limit = null)
    {
        $query = Task::with($relations);
        if ($limit) {
            $query->limit($limit);
        }
        return $query->get();
    }

    public function getTaskCountsByCategory($userId = null)
    {
        $query = KanbanColumn::select('category', DB::raw('COUNT(tbl_tasks.id) as task_count'))
                              ->leftJoin('tbl_tasks', 'kanban_columns.id', '=', 'tbl_tasks.status');

        // Filter by user ID if provided
        if ($userId) {
            $query->whereJsonContains('tbl_tasks.assigned_id->ids', (string) $userId);
        }

        return $query->groupBy('kanban_columns.category')->get();
    }


}