package mutations

import (
	"context"
	"time"

	"git.aiterp.net/rpdata/api/graphql/resolver/types"
	"git.aiterp.net/rpdata/api/internal/auth"
	"git.aiterp.net/rpdata/api/model/change"
	"git.aiterp.net/rpdata/api/model/story"
)

// StoryAddArgs is args for the addStory mutation
type StoryAddArgs struct {
	Input *struct {
		Name          string
		Category      string
		Author        *string
		Open          *bool
		Listed        *bool
		FictionalDate *string
		Tags          *[]struct {
			Kind string
			Name string
		}
	}
}

// AddStory resolves the addStory mutation
func (r *MutationResolver) AddStory(ctx context.Context, args *StoryAddArgs) (*types.StoryResolver, error) {
	input := args.Input

	token := auth.TokenFromContext(ctx)
	if !token.Permitted("member", "story.add") {
		return nil, ErrUnauthorized
	}

	author := token.UserID
	if input.Author != nil {
		author = *input.Author

		if token.UserID != author && !token.Permitted("story.add") {
			return nil, ErrPermissionDenied
		}
	}

	listed := (input.Listed != nil && *input.Listed == true)

	open := (input.Open != nil && *input.Open == true)

	tags := make([]story.Tag, 0, 8)
	if input.Tags != nil {
		for _, tagInput := range *input.Tags {
			tags = append(tags, story.Tag{
				Kind: tagInput.Kind,
				Name: tagInput.Name,
			})
		}
	}

	fictionalDate := time.Time{}
	if input.FictionalDate != nil {
		date, err := time.Parse(time.RFC3339Nano, *input.FictionalDate)
		if err != nil {
			return nil, err
		}

		fictionalDate = date
	}

	story, err := story.New(input.Name, author, input.Category, listed, open, tags, time.Now(), fictionalDate)
	if err != nil {
		return nil, err
	}

	go change.Submit("Story", "add", token.UserID, story.ID, map[string]interface{}{
		"name":     input.Name,
		"category": input.Category,
		"author":   input.Author,
	})

	return &types.StoryResolver{S: story}, nil
}