package models

import (
	"time"

	"github.com/jinzhu/gorm"
	"github.com/lib/pq"
)

type Contract struct {
	gorm.Model
	Name          string
	DeviceIDs     pq.Int64Array `gorm:"type:integer[]"`
	BuyerID       uint
	StartLat      float64
	StartLon      float64
	EndLat        float64
	EndLon        float64
	StartTime     time.Time
	EndTime       time.Time
	Status        string
	BlockchainID  string
	ContractInfos []ContractInfo
	BuyerName      string `gorm:"-"`
    NumberOfDevices int   `gorm:"-"`
}

const ContractStatusActive = "active"
const ContractStatusPending = "pending"
const ContractStatusDraft = "draft"
const ContractStatusSigned = "signed"
const ContractStatusReadyForActivation = "ready_for_activation"
const ContractStatusExecuted = "executed"
const ContractStatusRevoked = "revoked"


type Status struct {
	Key   string `json:"key"`
	Value string `json:"value"`
}

func GetContractStatuses() []Status {
	return []Status{
		{Key: "Active", Value: "active"},
		{Key: "Pending signature", Value: "pending"},
		{Key: "Draft", Value: "draft"},
		{Key: "Signed", Value: "signed"},
		{Key: "Ready for Activation", Value: "ready_for_activation"},
		{Key: "Executed", Value: "executed"},
		{Key: "Revoked", Value: "revoked"},
	}
}

type ListContractResponse struct {
	Status   KeyValue  `json:"Status"`
	Buyer  	 CompanyShortResponse `json:"Buyer"`
	ContractID   int
	NumberOfDevices  int
	DateCreated time.Time

}

func (Contract) Update() (bool, error) {
	return false, nil
}
func (Contract) Create() (bool, error) {
	return false, nil
}
func (Contract) Delete() (bool, error) {
	return false, nil
}