package dto

import (
	"time"

	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
	userDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/users/dto"
)

// === DTO Structs ===

type SupplierBaseDTO struct {
	Id       uint   `json:"id"`
	Name     string `json:"name"`
	Alias    string `json:"alias"`
	Category string `json:"category"`
}

type SupplierListDTO struct {
	SupplierBaseDTO
	Pic           string               `json:"pic"`
	Type          string               `json:"type"`
	Hatchery      *string              `json:"hatchery,omitempty"`
	Phone         string               `json:"phone"`
	Email         string               `json:"email"`
	Address       string               `json:"address"`
	Npwp          *string              `json:"npwp,omitempty"`
	AccountNumber *string              `json:"account_number,omitempty"`
	Balance       float64              `json:"balance"`
	DueDate       int                  `json:"due_date"`
	CreatedUser   *userDTO.UserBaseDTO `json:"created_user"`
	CreatedAt     time.Time            `json:"created_at"`
	UpdatedAt     time.Time            `json:"updated_at"`
}

type SupplierDetailDTO struct {
	SupplierListDTO
}

// === Mapper Functions ===

func ToSupplierBaseDTO(e entity.Supplier) SupplierBaseDTO {
	return SupplierBaseDTO{
		Id:       e.Id,
		Name:     e.Name,
		Alias:    e.Alias,
		Category: e.Category,
	}
}

func ToSupplierListDTO(e entity.Supplier) SupplierListDTO {
	var createdUser *userDTO.UserBaseDTO
	if e.CreatedUser.Id != 0 {
		mapped := userDTO.ToUserBaseDTO(e.CreatedUser)
		createdUser = &mapped
	}

	return SupplierListDTO{
		Pic:             e.Pic,
		Type:            e.Type,
		Hatchery:        e.Hatchery,
		Phone:           e.Phone,
		Email:           e.Email,
		Address:         e.Address,
		Npwp:            e.Npwp,
		AccountNumber:   e.AccountNumber,
		Balance:         e.Balance,
		DueDate:         e.DueDate,
		SupplierBaseDTO: ToSupplierBaseDTO(e),
		CreatedAt:       e.CreatedAt,
		UpdatedAt:       e.UpdatedAt,
		CreatedUser:     createdUser,
	}
}

func ToSupplierListDTOs(e []entity.Supplier) []SupplierListDTO {
	result := make([]SupplierListDTO, len(e))
	for i, r := range e {
		result[i] = ToSupplierListDTO(r)
	}
	return result
}

func ToSupplierDetailDTO(e entity.Supplier) SupplierDetailDTO {
	return SupplierDetailDTO{
		SupplierListDTO: ToSupplierListDTO(e),
	}
}