import { UserGroups, UserGroupJoinings } from "../../../../../models/index.js";
import define from "../../../define.js";
import { ApiError } from "../../../error.js";
export const meta = {
    tags: [
        "groups",
        "account"
    ],
    requireCredential: true,
    kind: "read:user-groups",
    description: "Show the properties of a group.",
    res: {
        type: "object",
        optional: false,
        nullable: false,
        ref: "UserGroup"
    },
    errors: {
        noSuchGroup: {
            message: "No such group.",
            code: "NO_SUCH_GROUP",
            id: "ea04751e-9b7e-487b-a509-330fb6bd6b9b"
        }
    }
};
export const paramDef = {
    type: "object",
    properties: {
        groupId: {
            type: "string",
            format: "misskey:id"
        }
    },
    required: [
        "groupId"
    ]
};
export default define(meta, paramDef, async (ps, me)=>{
    // Fetch the group
    const userGroup = await UserGroups.findOneBy({
        id: ps.groupId
    });
    if (userGroup == null) {
        throw new ApiError(meta.errors.noSuchGroup);
    }
    const joining = await UserGroupJoinings.findOneBy({
        userId: me.id,
        userGroupId: userGroup.id
    });
    if (joining == null && userGroup.userId !== me.id) {
        throw new ApiError(meta.errors.noSuchGroup);
    }
    return await UserGroups.pack(userGroup);
});