<?php

declare(strict_types=1);

namespace app\adminapi\logic\tcm;

use app\common\cache\AdminAuthCache;
use app\common\logic\BaseLogic;
use app\common\model\auth\AdminRole;
use app\common\model\tcm\PrescriptionLibrary;
use think\facade\Config;

/**
 * 处方库逻辑层
 */
class PrescriptionLibraryLogic extends BaseLogic
{
    /**
     * @notes 是否可管理全部处方（超级管理员 或 配置中的管理员角色）
     */
    public static function canManageAllPrescriptions(int $adminId, array $adminInfo): bool
    {
        if (!empty($adminInfo['root']) && (int) $adminInfo['root'] === 1) {
            return true;
        }

        $allowRoles = Config::get('project.prescription_library_manage_all_roles', []);
        if ($allowRoles === [] || $allowRoles === null) {
            $allowRoles = Config::get('project.order_edit_all_roles', [0, 3]);
        }

        $myRoles = AdminRole::where('admin_id', $adminId)->column('role_id');

        return count(array_intersect($myRoles, $allowRoles)) > 0;
    }

    /**
     * @notes 是否具备消费者/诊间开方相关菜单权限（用于处方库列表鉴权别名）
     */
    public static function hasPrescriptionOperatePermission(int $adminId): bool
    {
        $cache = new AdminAuthCache($adminId);
        $uris = $cache->getAdminUri() ?? [];
        $normalized = array_map(static fn ($item) => strtolower((string) $item), $uris);
        $allowed = [
            'tcm.prescription/lists',
            'tcm.prescription/add',
            'tcm.prescription/edit',
            'tcm.prescription/detail',
            'cf.prescription/lists',
            'cf.prescription/add',
            'cf.prescription/edit',
            'cf.prescription/read',
            'cf.prescription/del',
            'cf.prescription/audit',
            'wcf.prescription/lists',
            'wcf.prescription/read',
            'wcf.prescription/add',
            'wcf.prescription/edit',
            'wcf.prescription/delete',
            'tcm.prescriptionlibrary/lists',
        ];

        return count(array_intersect($allowed, $normalized)) > 0;
    }

    /**
     * @notes 开方页按医师 creator_id 拉取处方库：本人 / 超管角色 / 有开方菜单权限（医助代开方）
     */
    public static function canListLibraryForCreator(int $adminId, array $adminInfo, int $targetCreatorId): bool
    {
        if ($targetCreatorId <= 0) {
            return false;
        }
        if ($targetCreatorId === $adminId) {
            return true;
        }
        if (self::canManageAllPrescriptions($adminId, $adminInfo)) {
            return true;
        }

        return self::hasPrescriptionOperatePermission($adminId);
    }

    /**
     * @notes 添加处方库
     */
    public static function add(array $params): ?int
    {
        try {
            $params['formula_type'] = in_array($params['formula_type'] ?? '', ['主方', '辅方'], true)
                ? $params['formula_type']
                : '主方';

            // 处理药材数据
            if (isset($params['herbs']) && is_array($params['herbs'])) {
                $params['herbs'] = json_encode($params['herbs'], JSON_UNESCAPED_UNICODE);
            }

            $model = PrescriptionLibrary::create($params);
            return (int) $model->id;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return null;
        }
    }

    /**
     * @notes 编辑处方库
     */
    public static function edit(array $params, int $adminId, bool $canManageAll = false): bool
    {
        try {
            $model = PrescriptionLibrary::findOrEmpty($params['id']);
            if ($model->isEmpty()) {
                self::setError('处方不存在');
                return false;
            }

            if (!$canManageAll && (int) $model->creator_id !== $adminId) {
                self::setError('无权限编辑此处方');
                return false;
            }

            if (isset($params['formula_type'])) {
                $params['formula_type'] = in_array($params['formula_type'], ['主方', '辅方'], true)
                    ? $params['formula_type']
                    : '主方';
            }

            // 处理药材数据
            if (isset($params['herbs']) && is_array($params['herbs'])) {
                $params['herbs'] = json_encode($params['herbs'], JSON_UNESCAPED_UNICODE);
            }

            $model->save($params);
            return true;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }

    /**
     * @notes 删除处方库
     */
    public static function delete(int $id, int $adminId, bool $canManageAll = false): bool
    {
        try {
            $model = PrescriptionLibrary::findOrEmpty($id);
            if ($model->isEmpty()) {
                self::setError('处方不存在');
                return false;
            }

            if (!$canManageAll && (int) $model->creator_id !== $adminId) {
                self::setError('无权限删除此处方');
                return false;
            }

            $model->delete();
            return true;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }

    /**
     * @notes 处方库详情
     */
    public static function detail(int $id, int $adminId, bool $canManageAll = false): ?array
    {
        try {
            $model = PrescriptionLibrary::findOrEmpty($id);
            if ($model->isEmpty()) {
                return null;
            }

            if (!$canManageAll && (int) $model->creator_id !== $adminId && (int) $model->is_public !== 1) {
                return null;
            }

            $data = $model->toArray();
            
            // 解析药材JSON
            if (!empty($data['herbs'])) {
                $data['herbs'] = json_decode($data['herbs'], true);
            } else {
                $data['herbs'] = [];
            }

            return $data;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return null;
        }
    }
}