<?php

namespace App\DAL;

use App\Domain\ACL\Role;
use App\Services\UserService;
use Illuminate\Support\Facades\DB;

final readonly class Radiologists
{
    public static function worklist_stats(int $days, int $workflow_level)
    {
        $sql = <<<'SQL'
SELECT
	users."id",
	users.display_name,
	COALESCE (cte.assign_counts, 0) AS workload
FROM
	roles
	INNER JOIN model_has_roles ON roles."id" = model_has_roles.role_id
	INNER JOIN users ON users."id" = model_has_roles.model_id
	LEFT JOIN (
		SELECT
			sa.user_id,
			COUNT(sa.*) AS assign_counts
		FROM
			study_assignments AS sa
			INNER JOIN studies st ON st.ID = sa.study_id
		WHERE
			--st.received_at :: DATE >= NOW() - INTERVAL '3 DAY'
			st.received_at::DATE >= NOW() - INTERVAL '%d DAY'
			AND st.workflow_level < %d
			AND st.read_at IS NULL
		GROUP BY
	sa.user_id) AS cte ON cte.user_id = users."id"
WHERE
	roles."name" = '%s'
	AND users.is_active = TRUE
GROUP BY
	users."id",
	cte.assign_counts
ORDER BY
	users.display_name
SQL;

        $rows = DB::select(sprintf($sql, $days, $workflow_level, Role::Radiologist->value));
        foreach ($rows as $row) {
            $row->last_seen = UserService::getLastSeen((int) $row->id);
        }

        return $rows;
    }

    public static function activeRads(): array
    {
        return cache()
            ->remember('active_rads',
                now()->addMinutes(5),
                fn () => DB::table('users')
                    ->join('model_has_roles', 'users.id', '=', 'model_has_roles.model_id')
                    ->join('roles', 'model_has_roles.role_id', '=', 'roles.id')
                    ->where('roles.name', Role::Radiologist->value)
                    ->where('users.is_active', true)
                    ->orderBy('users.display_name')
                    ->pluck('users.display_name', 'users.id')
                    ->toArray());
    }
}