package model

import (
	"encoding/json"
	"time"

	"github.com/jinzhu/gorm"
	"github.com/jinzhu/gorm/dialects/postgres"
	errs "github.com/pkg/errors"
)

const ObjectTypeDecisionSupportFile = "dsf"

const (
	StatusDraft  = "draft"
	StatusReady  = "ready"
	StatusVoted  = "voted"
	StatusClosed = "closed"
)

type DecisionSupportFile struct {
	gorm.Model
	Title        string                 `json:"title"`
	SectionsJSON postgres.Jsonb         `json:"-" gorm:"column:sections;"`
	Sections     map[string]interface{} `gorm:"-"`
	Status       string                 `json:"status"`
	WorkgroupID  uint                   `json:"-"`
	Workgroup    *Workgroup             `json:"workgroup" gorm:"association_autoupdate:false"`
	VotedAt      time.Time              `json:"votedAt"`
	ClosedAt     time.Time              `json:"closedAt"`
}

func (f *DecisionSupportFile) ObjectID() uint {
	return f.ID
}

func (f *DecisionSupportFile) ObjectType() string {
	return ObjectTypeDecisionSupportFile
}

func (f *DecisionSupportFile) BeforeSave() error {
	rawSections, err := json.Marshal(f.Sections)
	if err != nil {
		return errs.WithStack(err)
	}

	f.SectionsJSON = postgres.Jsonb{RawMessage: rawSections}

	return nil
}

func (f *DecisionSupportFile) AfterFind() (err error) {
	sections := make(map[string]interface{})

	if err := json.Unmarshal(f.SectionsJSON.RawMessage, &sections); err != nil {
		return errs.WithStack(err)
	}

	f.Sections = sections

	return nil
}