package ktmtrainbot

import (
	"net/http"
	"time"

	"git.samuelpua.com/telboon/ktm-train-bot/backend/internal/user"
	"github.com/google/uuid"
	"gorm.io/gorm"
)

type Booking struct {
	ID             uuid.UUID `gorm:"primaryKey;type:uuid;default:uuid_generate_v4()"`
	CreatedAt      time.Time
	UpdatedAt      time.Time
	DeletedAt      gorm.DeletedAt `gorm:"index"`
	User           user.User
	UserID         uuid.UUID
	TravelDate     time.Time // Only date matters
	TimeCode       string    // e.g. 1400
	Name           string
	Gender         string // M/F
	Passport       string
	PassportExpiry time.Time // Only date matters
	Contact        string    // +6512345678
	BackToSg       bool      // true/false
	Status         string    // "success", "error", "pending", "running"
}

type BookingCreateRequest struct {
	TravelDate     time.Time `json:"travelDate" validate:"required" swaggertype:"string" format:"date-time"`
	TimeCode       string    `json:"timeCode" validate:"required,number,len=4" swaggertype:"string" example:"1300"`
	Name           string    `json:"name" validate:"required"`
	Gender         string    `json:"gender" validate:"required,len=1,containsany=MF" swaggertype:"string" example:"M" enum:"M,F"`
	Passport       string    `json:"passport" validate:"required"`
	PassportExpiry time.Time `json:"passportExpiry" validate:"required" swaggertype:"string" format:"date-time"`
	Contact        string    `json:"contact" validate:"required,e164" swaggertype:"string" example:"+6512345678"`
	BackToSg       bool      `json:"backToSg" swaggertype:"boolean" example:"false"`
}

type BookingResponse struct {
	ID             uuid.UUID `json:"id"`
	TravelDate     time.Time `json:"travelDate"`
	TimeCode       string    `json:"timeCode"`
	Name           string    `json:"name"`
	Gender         string    `json:"gender"`
	Passport       string    `json:"passport"`
	PassportExpiry time.Time `json:"passportExpiry"`
	Contact        string    `json:"contact"`
	Status         string    `json:"status"`
	BackToSg       bool      `json:"backToSg" validate:"required"`
}

type BookingListResponse []BookingResponse

func (res *BookingResponse) Render(w http.ResponseWriter, r *http.Request) error {
	// Pre-processing before a response is marshalled and sent across the wire
	return nil
}

func (res BookingListResponse) Render(w http.ResponseWriter, r *http.Request) error {
	// Pre-processing before a response is marshalled and sent across the wire
	// if res == nil {
	// 	var empty []BookingResponse
	// 	res = empty
	// }
	return nil
}

func (env *Env) NewBookingResponse(model *Booking) *BookingResponse {
	res := &BookingResponse{
		ID:             model.ID,
		TravelDate:     model.TravelDate,
		TimeCode:       model.TimeCode,
		Name:           model.Name,
		Gender:         model.Gender,
		Passport:       model.Passport,
		PassportExpiry: model.PassportExpiry,
		Contact:        model.Contact,
		Status:         model.Status,
	}

	return res
}

func (env *Env) NewBookingListResponse(model []Booking) BookingListResponse {
	var res []BookingResponse

	for _, item := range model {
		curr := env.NewBookingResponse(&item)
		res = append(res, *curr)
	}

	return res
}