package models

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

type Player 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"`
	FirstName string     `gorm:"column:first_name"         json:"first_name"`
	LastName  string     `gorm:"column:last_name"          json:"last_name"`
	Roosters  []Rooster  `gorm:"foreignKey:PlayerID" json:"roosters"`
}

func (player *Player) TableName() string {
	return "player"
}

type PlayerDTO 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"`
	FirstName string             `json:"first_name"             binding:"required"`
	LastName  string             `json:"last_name"              binding:"required"`
}

func (dto PlayerDTO) ConvertDTOToModel() Player {
	model := Player{
		ID:        dto.ID,
		CreatedAt: dto.CreatedAt.Time,
		UpdatedAt: dto.UpdatedAt.Time,
		DeletedAt: dto.DeletedAt,
		Version:   dto.Version,
		FirstName: dto.FirstName,
		LastName:  dto.LastName,
	}
	return model
}

type PlayerDTOList []PlayerDTO

func (playerList *PlayerDTOList) CompareIds(target *PlayerDTOList) (missing, obsolete []string) {
	sources := make(map[string]PlayerDTO, len(*playerList))
	targets := make(map[string]PlayerDTO, len(*target))
	for _, source := range *playerList {
		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 ConvertPlayersToDtos(players []Player) []PlayerDTO {
	dtos := make([]PlayerDTO, len(players))
	for i, player := range players {
		dtos[i] = PlayerDTO{
			ID:        player.ID,
			CreatedAt: helpers.KontorTime{Time: player.CreatedAt},
			UpdatedAt: helpers.KontorTime{Time: player.UpdatedAt},
			DeletedAt: player.DeletedAt,
			Version:   player.Version,
			FirstName: player.FirstName,
			LastName:  player.LastName,
		}
	}
	return dtos
}