package business

import (
	"context"
	"kra/internal/biz/business"
	"kra/internal/service/dto"
	"strings"
)

type WorkbenchUsecase interface {
	Summary(context.Context, []string) (*business.WorkbenchSummary, error)
	Ranks(context.Context, []string, string, business.WorkbenchRankKind) ([]*business.WorkbenchRankRow, error)
}
type WorkbenchService struct{ uc WorkbenchUsecase }

func NewWorkbenchService(uc *business.WorkbenchUsecase) *WorkbenchService {
	return &WorkbenchService{uc: uc}
}
func workbenchRequest(req *dto.WorkbenchQuery) ([]string, error) {
	if req == nil {
		return nil, business.ErrWorkbenchSource
	}
	return normalizePlatforms(req.Sources)
}
func workbenchCardResponse(card *business.WorkbenchCard) *dto.WorkbenchCard {
	return &dto.WorkbenchCard{Value: card.Value, CompareValue: card.CompareValue, ChangeRate: card.ChangeRate, CompareLabel: card.CompareLabel}
}
func (s *WorkbenchService) Summary(ctx context.Context, req *dto.WorkbenchQuery) (*dto.WorkbenchSummary, error) {
	sources, err := workbenchRequest(req)
	if err != nil {
		return nil, err
	}
	data, err := s.uc.Summary(ctx, sources)
	if err != nil {
		return nil, err
	}
	return &dto.WorkbenchSummary{TodayRegister: workbenchCardResponse(data.TodayRegister), TodayActive: workbenchCardResponse(data.TodayActive), TodayPay: workbenchCardResponse(data.TodayPay), MonthPay: workbenchCardResponse(data.MonthPay), ActivePromote: workbenchCardResponse(data.ActivePromote), NewPromote: workbenchCardResponse(data.NewPromote), Available: data.Available}, nil
}
func (s *WorkbenchService) Ranks(ctx context.Context, req *dto.WorkbenchQuery, kind business.WorkbenchRankKind) ([]*dto.WorkbenchRankRow, error) {
	sources, err := workbenchRequest(req)
	if err != nil {
		return nil, err
	}
	if kind == business.WorkbenchPayHigh && strings.EqualFold(strings.TrimSpace(req.Order), "asc") {
		kind = business.WorkbenchPayLow
	}
	rows, err := s.uc.Ranks(ctx, sources, req.Period, kind)
	if err != nil {
		return nil, err
	}
	out := make([]*dto.WorkbenchRankRow, 0, len(rows))
	for _, row := range rows {
		out = append(out, &dto.WorkbenchRankRow{Rank: row.Rank, SourceDB: row.SourceDB, SourceDBLabel: business.PlatformName(row.SourceDB), PromoteID: row.ID, PromoteName: row.Name, Value: row.Value})
	}
	return out, nil
}