package dict

import (
	"context"
	consts "dataengine/consts/public"
	dto "dataengine/model/dto/dict"
	entity "dataengine/model/entity/dict"
	"time"

	"gitea.redpowerfuture.com/red-future/common/beans"
	"gitea.redpowerfuture.com/red-future/common/db/gfdb"
	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/util/gconv"
)

var FieldMappingConfig = new(fieldMappingConfigDao)

type fieldMappingConfigDao struct{}

// Insert 插入字段映射配置
func (d *fieldMappingConfigDao) Insert(ctx context.Context, req *dto.CreateFieldMappingConfigReq) (id int64, err error) {
	var config entity.FieldMappingConfig
	if err = gconv.Struct(req, &config); err != nil {
		return
	}

	now := time.Now()
	config.CreatedTime = now
	config.UpdatedTime = now

	r, err := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).Data(&config).Insert()
	if err != nil {
		return
	}
	return r.LastInsertId()
}

// Update 更新字段映射配置
func (d *fieldMappingConfigDao) Update(ctx context.Context, req *dto.UpdateFieldMappingConfigReq) (rows int64, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).Data(&req).OmitEmpty().Where(entity.FieldMappingConfigCol.Id, req.Id).Update()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

// Delete 删除字段映射配置
func (d *fieldMappingConfigDao) Delete(ctx context.Context, req *dto.DeleteFieldMappingConfigReq) (rows int64, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).
		Where(entity.FieldMappingConfigCol.Id, req.Id).
		Delete()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

// GetOne 获取单个字段映射配置
func (d *fieldMappingConfigDao) GetOne(ctx context.Context, req *dto.GetFieldMappingConfigReq) (res *entity.FieldMappingConfig, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).
		Where(entity.FieldMappingConfigCol.Id, req.Id).
		One()
	if err != nil {
		return
	}
	err = r.Struct(&res)
	return
}

// Count 获取字段映射配置数量
func (d *fieldMappingConfigDao) Count(ctx context.Context, req *dto.ListFieldMappingConfigReq) (count int, err error) {
	return d.buildListFilter(ctx, req).Count()
}

// List 获取字段映射配置列表
func (d *fieldMappingConfigDao) List(ctx context.Context, req *dto.ListFieldMappingConfigReq) (res []entity.FieldMappingConfig, total int, err error) {
	model := d.buildListFilter(ctx, req)
	model.OrderDesc(entity.FieldMappingConfigCol.CreatedTime)

	if req.Page != nil {
		model.Page(int(req.Page.PageNum), int(req.Page.PageSize))
	}

	r, total, err := model.AllAndCount(false)
	if err != nil {
		return
	}
	err = r.Structs(&res)
	return
}

// buildListFilter 构建列表查询的过滤条件
func (d *fieldMappingConfigDao) buildListFilter(ctx context.Context, req *dto.ListFieldMappingConfigReq) *gdb.Model {
	model := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).Model

	if !g.IsEmpty(req.Keyword) {
		model.WhereLike(entity.FieldMappingConfigCol.ConfigName, "%"+req.Keyword+"%").
			WhereOrLike(entity.FieldMappingConfigCol.SourceFieldDesc, "%"+req.Keyword+"%").
			WhereOrLike(entity.FieldMappingConfigCol.TargetFieldDesc, "%"+req.Keyword+"%")
	}

	if !g.IsEmpty(req.ConfigName) {
		model.Where(entity.FieldMappingConfigCol.ConfigName, req.ConfigName)
	}
	if !g.IsEmpty(req.VendorName) {
		model.Where(entity.FieldMappingConfigCol.VendorName, req.VendorName)
	}
	if !g.IsEmpty(req.ApiName) {
		model.Where(entity.FieldMappingConfigCol.ApiName, req.ApiName)
	}
	if !g.IsEmpty(req.ApiVersion) {
		model.Where(entity.FieldMappingConfigCol.ApiVersion, req.ApiVersion)
	}
	if !g.IsEmpty(req.SourceField) {
		model.Where(entity.FieldMappingConfigCol.SourceField, req.SourceField)
	}
	if !g.IsEmpty(req.TargetField) {
		model.Where(entity.FieldMappingConfigCol.TargetField, req.TargetField)
	}
	if !g.IsEmpty(req.TransformType) {
		model.Where(entity.FieldMappingConfigCol.TransformType, req.TransformType)
	}
	if !g.IsEmpty(req.BusinessDomain) {
		model.Where(entity.FieldMappingConfigCol.BusinessDomain, req.BusinessDomain)
	}
	if !g.IsEmpty(req.FieldGroup) {
		model.Where(entity.FieldMappingConfigCol.FieldGroup, req.FieldGroup)
	}
	if req.IsActive != nil {
		model.Where(entity.FieldMappingConfigCol.IsActive, *req.IsActive)
	}

	model.OmitEmptyWhere()
	return model
}

// UpdateStatus 更新配置状态
func (d *fieldMappingConfigDao) UpdateStatus(ctx context.Context, id int64, isActive bool) (rows int64, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).
		Data(g.Map{
			"is_active":    isActive,
			"updated_time": time.Now(),
		}).
		Where(entity.FieldMappingConfigCol.Id, id).
		Update()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

// GetByIds 根据ID列表获取配置列表
func (d *fieldMappingConfigDao) GetByIds(ctx context.Context, ids []int64) (res []entity.FieldMappingConfig, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).
		WhereIn(entity.FieldMappingConfigCol.Id, ids).
		All()
	if err != nil {
		return
	}
	err = r.Structs(&res)
	return
}

// GetByVendorAndApi 根据厂商和接口获取字段映射配置
func (d *fieldMappingConfigDao) GetByVendorAndApi(ctx context.Context, vendorName, apiName, apiVersion string, isActive *bool) (res []*entity.FieldMappingConfig, err error) {
	model := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).
		Where(entity.FieldMappingConfigCol.VendorName, vendorName).
		Where(entity.FieldMappingConfigCol.ApiName, apiName)

	if !g.IsEmpty(apiVersion) {
		model.Where(entity.FieldMappingConfigCol.ApiVersion, apiVersion)
	}

	if isActive != nil {
		model.Where(entity.FieldMappingConfigCol.IsActive, *isActive)
	}

	model.OrderDesc(entity.FieldMappingConfigCol.Priority).
		OrderAsc(entity.FieldMappingConfigCol.Id)

	r, err := model.All()
	if err != nil {
		return
	}
	err = r.Structs(&res)
	return
}

// CheckDuplicate 检查重复配置
func (d *fieldMappingConfigDao) CheckDuplicate(ctx context.Context, vendorName, apiName, sourceField, targetField string, excludeId int64) (exists bool, err error) {
	ctx = context.WithValue(ctx, "user", &beans.User{UserName: "admin"})
	model := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).
		Where(entity.FieldMappingConfigCol.VendorName, vendorName).
		Where(entity.FieldMappingConfigCol.ApiName, apiName).
		Where(entity.FieldMappingConfigCol.SourceField, sourceField).
		Where(entity.FieldMappingConfigCol.TargetField, targetField)

	if excludeId > 0 {
		model.WhereNot(entity.FieldMappingConfigCol.Id, excludeId)
	}

	count, err := model.Count()
	if err != nil {
		return
	}
	exists = count > 0
	return
}

// GetActiveConfigsByBusinessDomain 根据业务域获取启用的配置
func (d *fieldMappingConfigDao) GetActiveConfigsByBusinessDomain(ctx context.Context, businessDomain string) (res []entity.FieldMappingConfig, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).
		Where(entity.FieldMappingConfigCol.BusinessDomain, businessDomain).
		Where(entity.FieldMappingConfigCol.IsActive, true).
		OrderDesc(entity.FieldMappingConfigCol.Priority).
		OrderAsc(entity.FieldMappingConfigCol.Id).
		All()
	if err != nil {
		return
	}
	err = r.Structs(&res)
	return
}

// GetFieldGroupsByVendorApi 获取指定厂商接口的字段分组
func (d *fieldMappingConfigDao) GetFieldGroupsByVendorApi(ctx context.Context, vendorName, apiName string) (groups []string, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).
		Fields(entity.FieldMappingConfigCol.FieldGroup).
		Where(entity.FieldMappingConfigCol.VendorName, vendorName).
		Where(entity.FieldMappingConfigCol.ApiName, apiName).
		Where(entity.FieldMappingConfigCol.IsActive, true).
		Group(entity.FieldMappingConfigCol.FieldGroup).
		All()
	if err != nil {
		return
	}

	for _, record := range r {
		group := record.Map()[entity.FieldMappingConfigCol.FieldGroup]
		if groupStr, ok := group.(string); ok && groupStr != "" {
			groups = append(groups, groupStr)
		}
	}
	return
}

// DeleteExpiredConfigs 删除已过期的配置
func (d *fieldMappingConfigDao) DeleteExpiredConfigs(ctx context.Context) (rows int64, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).
		Where("expiry_date IS NOT NULL AND expiry_date < ?", time.Now()).
		Delete()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

// GetConfigsEffectiveNow 获取当前生效的配置
func (d *fieldMappingConfigDao) GetConfigsEffectiveNow(ctx context.Context) (res []entity.FieldMappingConfig, err error) {
	now := time.Now()
	r, err := gfdb.DB(ctx).Model(ctx, consts.FieldMappingConfigTable).
		Where(entity.FieldMappingConfigCol.IsActive, true).
		Where("(effective_date IS NULL OR effective_date <= ?)", now).
		Where("(expiry_date IS NULL OR expiry_date > ?)", now).
		OrderDesc(entity.FieldMappingConfigCol.Priority).
		OrderAsc(entity.FieldMappingConfigCol.Id).
		All()
	if err != nil {
		return
	}
	err = r.Structs(&res)
	return
}