import {
    AutocompleteInteraction,
    ChatInputCommandInteraction,
    CommandInteraction,
    GuildMember,
    SlashCommandStringOption
} from "discord.js";
import {Container} from "../../Container/Container";
import {GroupRepository} from "../../Repositories/GroupRepository";
import {GroupModel} from "../../Models/GroupModel";
import {UserError} from "../UserError";

export class GroupSelection {
    public static createOptionSetup(): SlashCommandStringOption {
        return new SlashCommandStringOption()
            .setName("group")
            .setDescription("Defines the group you want to manage the playdates for")
            .setRequired(true)
            .setAutocomplete(true)
    }
    
    public static async handleAutocomplete(interaction: AutocompleteInteraction): Promise<void> {
        const value = interaction.options.getFocused();
        const repo = Container.get<GroupRepository>(GroupRepository.name);
        const groups = repo.findGroupsByMember(<GuildMember>interaction.member);
        await interaction.respond(
            groups
                .filter((group) => group.name.startsWith(value))
                .map((group) => ({name: group.name, value: group.name }))
        )
    }
    
    public static getGroup(interaction: CommandInteraction): GroupModel {
        const groupname = interaction.options.get("group");
        if (!groupname) {
            throw new UserError("No group name provided");
        } 
        
        const group = Container.get<GroupRepository>(GroupRepository.name).findGroupByName((groupname.value ?? '').toString());
        if (!group) {
            throw new UserError("No group found");
        }
        
        return <GroupModel>group;
    }
}