package mutations

import (
	"context"
	"strings"

	"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/character"
	"git.aiterp.net/rpdata/api/model/log"
)

// AddCharacterInput is args for the addCharacter mutation
type AddCharacterInput struct {
	Nick        string
	Name        string
	ShortName   *string
	Author      *string
	Description *string
}

// AddCharacter resolves the addCharacter mutation
func (r *MutationResolver) AddCharacter(ctx context.Context, args struct{ Input *AddCharacterInput }) (*types.CharacterResolver, error) {
	input := args.Input
	user := session.FromContext(ctx).User()
	if user == nil || !user.Permitted("member", "character.add") {
		return nil, ErrUnauthorized
	}

	nick := input.Nick

	name := input.Name

	shortName := ""
	if input.ShortName != nil {
		shortName = *input.ShortName
	} else {
		shortName = strings.SplitN(input.Name, " ", 2)[0]
	}

	author := user.ID
	if input.Author != nil {
		author = *input.Author

		if author != user.ID && !user.Permitted("character.add") {
			return nil, ErrPermissionDenied
		}
	}

	description := ""
	if input.Description != nil {
		description = *input.Description
	}

	character, err := character.New(nick, name, shortName, author, description)
	if err != nil {
		return nil, err
	}

	go change.Submit("Character", "add", user.ID, character.ID, map[string]interface{}{
		"name":   character.Name,
		"nick":   character.Nicks[0],
		"author": character.Author,
	})

	log.ScheduleCharacterUpdate()

	return &types.CharacterResolver{C: character}, nil
}