package characters

import (
	"git.aiterp.net/rpdata/api/models"
	"github.com/globalsign/mgo/bson"
)

// Filter is used to filter the list of characters
type Filter struct {
	IDs    []string `json:"ids"`
	Nicks  []string `json:"nicks"`
	Names  []string `json:"names"`
	Author *string  `json:"author"`
	Search *string  `json:"search"`
}

// List lists all characters
func List(filter *Filter) ([]models.Character, error) {
	query := bson.M{}

	if filter != nil {
		if len(filter.IDs) > 1 {
			query["_id"] = bson.M{"$in": filter.IDs}
		} else if len(filter.IDs) == 1 {
			query["_id"] = filter.IDs[0]
		}

		if len(filter.Nicks) == 1 {
			query["nicks"] = filter.Nicks[0]
		} else if filter.Nicks != nil {
			query["nicks"] = bson.M{"$in": filter.Nicks}
		}

		if len(filter.Names) > 1 {
			query["$or"] = bson.M{
				"name":      bson.M{"$in": filter.Names},
				"shortName": bson.M{"$in": filter.Names},
			}
		} else if len(filter.Names) == 1 {
			query["$or"] = bson.M{
				"name":      filter.Names[0],
				"shortName": filter.Names[0],
			}
		}

		if filter.Author != nil {
			query["author"] = *filter.Author
		}

		if filter.Search != nil {
			query["$text"] = bson.M{"$search": *filter.Search}
		}
	}

	return list(query)
}