package dao

import (
	"case-admin-api/api/model"
	"case-admin-api/api/requests"
	"case-admin-api/global"
	"errors"
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"strings"
)

type ProjectPlatformHospitalDao struct {
}

// GetProjectPlatformHospitalById 获取数据-id
func (r *ProjectPlatformHospitalDao) GetProjectPlatformHospitalById(whiteHospitalId int64) (m *model.ProjectPlatformHospital, err error) {
	err = global.Db.First(&m, whiteHospitalId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetProjectPlatformHospitalPreloadById 获取数据-加载全部关联-id
func (r *ProjectPlatformHospitalDao) GetProjectPlatformHospitalPreloadById(whiteHospitalId int64) (m *model.ProjectPlatformHospital, err error) {
	err = global.Db.Preload(clause.Associations).First(&m, whiteHospitalId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// DeleteProjectPlatformHospital 删除
func (r *ProjectPlatformHospitalDao) DeleteProjectPlatformHospital(tx *gorm.DB, maps interface{}) error {
	err := tx.Where(maps).Delete(&model.ProjectPlatformHospital{}).Error
	if err != nil {
		return err
	}
	return nil
}

// DeleteProjectPlatformHospitalById 删除-id
func (r *ProjectPlatformHospitalDao) DeleteProjectPlatformHospitalById(tx *gorm.DB, whiteHospitalId int64) error {
	if err := tx.Delete(&model.ProjectPlatformHospital{}, whiteHospitalId).Error; err != nil {
		return err
	}
	return nil
}

// DeleteProjectPlatformHospitalByPlatformId 删除-id
func (r *ProjectPlatformHospitalDao) DeleteProjectPlatformHospitalByPlatformId(tx *gorm.DB, platformId int64) error {
	if err := tx.Where("platform_id = ?", platformId).Delete(&model.ProjectPlatformHospital{}).Error; err != nil {
		return err
	}
	return nil
}

// EditProjectPlatformHospital 修改
func (r *ProjectPlatformHospitalDao) EditProjectPlatformHospital(tx *gorm.DB, maps interface{}, data interface{}) error {
	err := tx.Model(&model.ProjectPlatformHospital{}).Where(maps).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

// EditProjectPlatformHospitalById 修改-id
func (r *ProjectPlatformHospitalDao) EditProjectPlatformHospitalById(tx *gorm.DB, whiteHospitalId int64, data interface{}) error {
	err := tx.Model(&model.ProjectPlatformHospital{}).Where("white_hospital_id = ?", whiteHospitalId).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

// GetProjectPlatformHospitalList 获取列表
func (r *ProjectPlatformHospitalDao) GetProjectPlatformHospitalList(maps interface{}) (m []*model.ProjectPlatformHospital, err error) {
	err = global.Db.Where(maps).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetProjectPlatformHospitalCount 获取数量
func (r *ProjectPlatformHospitalDao) GetProjectPlatformHospitalCount(maps interface{}) (total int64, err error) {
	err = global.Db.Model(&model.ProjectPlatformHospital{}).Where(maps).Count(&total).Error
	if err != nil {
		return 0, err
	}
	return total, nil
}

// GetProjectPlatformHospitalListRand 获取列表-随机
func (r *ProjectPlatformHospitalDao) GetProjectPlatformHospitalListRand(maps interface{}, limit int) (m []*model.ProjectPlatformHospital, err error) {
	err = global.Db.Where(maps).Order("rand()").Limit(limit).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// AddProjectPlatformHospital 新增
func (r *ProjectPlatformHospitalDao) AddProjectPlatformHospital(tx *gorm.DB, model *model.ProjectPlatformHospital) (*model.ProjectPlatformHospital, error) {
	if err := tx.Create(model).Error; err != nil {
		return nil, err
	}
	return model, nil
}

// GetProjectPlatformHospital 获取
func (r *ProjectPlatformHospitalDao) GetProjectPlatformHospital(maps interface{}) (m *model.ProjectPlatformHospital, err error) {
	err = global.Db.Where(maps).First(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetProjectPlatformHospitalPageSearch 获取列表-分页
func (r *ProjectPlatformHospitalDao) GetProjectPlatformHospitalPageSearch(req requests.GetProjectPlatformHospitalPage, page, pageSize int) (m []*model.ProjectPlatformHospital, total int64, err error) {
	var totalRecords int64

	// 构建查询条件
	query := global.Db.Model(&model.ProjectPlatformHospital{})

	// 基础数据-医院
	query = query.Preload("BasicHospital")

	query = query.Where("project_platform_id = ?", req.ProjectPlatformId)

	// 状态（1:正常 2:禁用）
	if req.Status != nil {
		query = query.Where("status = ?", req.Status)
	}

	// 医院名称
	if req.HospitalName != "" {
		subQuery := global.Db.Model(&model.BasicHospital{}).
			Select("hospital_id").
			Where("hospital_name LIKE ?", "%"+req.HospitalName+"%")

		query = query.Where(gorm.Expr("hospital_id IN (?)", subQuery))
	}

	// 排序
	query = query.Order("created_at desc")

	// 查询总数量
	if err := query.Count(&totalRecords).Error; err != nil {
		return nil, 0, err
	}

	err = query.Scopes(model.Paginate(page, pageSize)).Find(&m).Error
	if err != nil {
		return nil, 0, err
	}
	return m, totalRecords, nil
}

// GetProjectPlatformHospitalExportListSearch 医院列表-导出
func (r *ProjectPlatformHospitalDao) GetProjectPlatformHospitalExportListSearch(req requests.ExportProjectPlatformHospital) (m []*model.ProjectPlatformHospital, err error) {
	// 构建查询条件
	query := global.Db.Model(&model.ProjectPlatformHospital{})

	// 基础数据-医院
	query = query.Preload("BasicHospital")

	query = query.Where("project_platform_id = ?", req.ProjectPlatformId)

	// 当前搜索数据
	if req.Type == 1 {
		// 状态（1:正常 2:禁用）
		if req.Status != nil {
			query = query.Where("status = ?", req.Status)
		}

		// 医院名称
		if req.HospitalName != "" {
			subQuery := global.Db.Model(&model.BasicHospital{}).
				Select("hospital_id").
				Where("hospital_name LIKE ?", "%"+req.HospitalName+"%")

			query = query.Where(gorm.Expr("hospital_id IN (?)", subQuery))
		}
	}

	// 当前选择数据
	if req.Type == 2 {
		if req.Id == "" {
			return nil, errors.New("未提供需导出数据编号")
		}

		id := strings.Split(req.Id, ",")
		query = query.Where("white_hospital_id IN (?)", id)
	}

	// 排序
	query = query.Order("created_at desc")

	err = query.Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}