package mutations

import (
	"context"
	"time"

	"git.aiterp.net/rpdata/api/graphql/resolver/types"
	"git.aiterp.net/rpdata/api/internal/session"
	"git.aiterp.net/rpdata/api/model/change"
	"git.aiterp.net/rpdata/api/model/log"
)

// PostAddArgs is args for addPost mutation
type PostAddArgs struct {
	Input *struct {
		LogID string
		Time  string
		Kind  string
		Nick  string
		Text  string
	}
}

// AddPost resolves the addPost mutation
func (r *MutationResolver) AddPost(ctx context.Context, args *PostAddArgs) (*types.PostResolver, error) {
	input := args.Input

	user := session.FromContext(ctx).User()
	if user == nil || !user.Permitted("post.add") {
		return nil, ErrUnauthorized
	}

	postTime, err := time.Parse(time.RFC3339Nano, input.Time)
	if err != nil {
		return nil, err
	}

	log, err := log.FindID(input.LogID)
	if err != nil {
		return nil, err
	}

	post, err := log.NewPost(postTime, input.Kind, input.Nick, input.Text)
	if err != nil {
		return nil, err
	}

	go change.Submit("Post", "add", user.ID, post.ID, map[string]interface{}{
		"logId":    post.LogID,
		"time":     post.Time,
		"kind":     post.Kind,
		"nick":     post.Nick,
		"text":     post.Text,
		"position": post.Position,
	})

	go log.UpdateCharacters()

	return &types.PostResolver{P: post}, nil
}