package models

import (
	"fmt"
	"kontor-api-gin/internal/helpers"
	"log/slog"
	"time"
)

type Sport struct {
	ID        string     `gorm:"type:string;primary_key;"  json:"id"`
	CreatedAt time.Time  `gorm:"column:created_date"       json:"created_date"`
	UpdatedAt time.Time  `gorm:"column:last_modified_date" json:"last_modified_date"`
	DeletedAt *time.Time `gorm:"column:deleted_date"       json:"deleted_date"`
	Version   int        `gorm:"default:0"                 json:"version"`
	Name      string     `gorm:"uniqueIndex"               json:"name"`
}

func (sport *Sport) TableName() string {
	return "sport"
}

type SportDTO struct {
	ID        string             `json:"id"                     binding:"required"`
	CreatedAt helpers.KontorTime `json:"created_date"           binding:"required"`
	UpdatedAt helpers.KontorTime `json:"last_modified_date"     binding:"required"`
	DeletedAt *time.Time         `json:"deleted_date,omitempty" binding:"omitempty"`
	Version   int                `json:"version"                binding:"required"`
	Name      string             `json:"name"                   binding:"required"`
}

func (dto SportDTO) ConvertDTOToModel() Sport {
	model := Sport{
		ID:        dto.ID,
		CreatedAt: dto.CreatedAt.Time,
		UpdatedAt: dto.UpdatedAt.Time,
		DeletedAt: dto.DeletedAt,
		Version:   dto.Version,
		Name:      dto.Name,
	}
	return model
}

type SportDTOList []SportDTO

func (sportList *SportDTOList) CompareIds(target *SportDTOList) (missing, obsolete []string) {
	sources := make(map[string]SportDTO, len(*sportList))
	targets := make(map[string]SportDTO, len(*target))
	for _, source := range *sportList {
		sources[source.ID] = source
	}
	for _, target := range *target {
		targets[target.ID] = target
	}
	// iterate source IDs
	for id := range sources {
		if _, ok := targets[id]; ok {
			slog.Debug(fmt.Sprintf("ID %s found in both lists", id))
		} else {
			missing = append(missing, id)
		}
	}
	for id := range targets {
		if _, ok := sources[id]; ok {
			slog.Debug(fmt.Sprintf("ID %s found in both lists", id))
		} else {
			obsolete = append(obsolete, id)
		}
	}
	slog.Info("CompareIds", "missing", missing, "obsolete", obsolete)
	return missing, obsolete
}

func ConvertSportsToDtos(sports []Sport) []SportDTO {
	dtos := make([]SportDTO, len(sports))
	for i, sport := range sports {
		dtos[i] = SportDTO{
			ID:        sport.ID,
			CreatedAt: helpers.KontorTime{Time: sport.CreatedAt},
			UpdatedAt: helpers.KontorTime{Time: sport.UpdatedAt},
			DeletedAt: sport.DeletedAt,
			Version:   sport.Version,
			Name:      sport.Name,
		}
	}
	return dtos
}

type CreateSportDTO struct {
	Name    string `json:"name"    binding:"required"`
	WebLink string `json:"weblink" binding:"required"`
}