package relation

import (
	"context"

	"muyu-apiserver/gateway/internal/svc"
	"muyu-apiserver/gateway/internal/types"
	"muyu-apiserver/pkg/ctxdata"

	"github.com/zeromicro/go-zero/core/logx"
)

type ListRelationHistoryLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewListRelationHistoryLogic(ctx context.Context, svcCtx *svc.ServiceContext) *ListRelationHistoryLogic {
	return &ListRelationHistoryLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *ListRelationHistoryLogic) ListRelationHistory(req *types.CrmRelationHistoryReq) (*types.CrmRelationHistoryResp, error) {
	tenantId := ctxdata.GetTenantId(l.ctx)
	rows, total, err := l.svcCtx.CrmRepo.ListHistory(l.ctx, tenantId, req.Page, req.PageSize)
	if err != nil {
		return nil, err
	}

	list := make([]types.CrmRelationHistoryItem, 0, len(rows))
	for _, row := range rows {
		before := ""
		if row.BeforeJSON.Valid {
			before = row.BeforeJSON.String
		}
		after := ""
		if row.AfterJSON.Valid {
			after = row.AfterJSON.String
		}
		list = append(list, types.CrmRelationHistoryItem{
			RelationshipId: row.RelationshipId,
			ChangeType:     row.ChangeType,
			BeforeJson:     before,
			AfterJson:      after,
			ChangedBy:      row.ChangedBy,
			ChangedAt:      row.ChangedAt.Format(timeLayout),
		})
	}

	return &types.CrmRelationHistoryResp{Total: total, List: list}, nil
}