import { fetchJson } from "@/lib/client/fetch-json";

export type GroupRole = "MEMBER" | "GROUP_ADMIN" | "GROUP_OWNER";

export type GroupMember = {
    userId: number;
    email: string;
    displayName: string | null;
    role: GroupRole;
    joinedAt: string;
    lastLoginAt: string | null;
    lastActiveAt: string | null;
};

export type JoinRequest = {
    id: number;
    groupId: number;
    userId: number;
    email: string;
    displayName: string | null;
    status: "PENDING" | "APPROVED" | "DENIED" | "CANCELED";
    createdAt: string;
};

export async function groupMembersList() {
    return fetchJson<{ members: GroupMember[]; requests: JoinRequest[]; currentUserId: number }>("/api/groups/members", { method: "GET" });
}

export async function groupMembersApprove(input: { userId: number; requestId?: number }) {
    return fetchJson<{ ok: true }>("/api/groups/members/approve", {
        method: "POST",
        body: JSON.stringify(input)
    });
}

export async function groupMembersDeny(input: { userId: number }) {
    return fetchJson<{ ok: true }>("/api/groups/members/deny", {
        method: "POST",
        body: JSON.stringify(input)
    });
}

export async function groupMembersKick(input: { userId: number }) {
    return fetchJson<{ ok: true }>("/api/groups/members/kick", {
        method: "POST",
        body: JSON.stringify(input)
    });
}

export async function groupMembersPromote(input: { userId: number }) {
    return fetchJson<{ ok: true }>("/api/groups/members/promote", {
        method: "POST",
        body: JSON.stringify(input)
    });
}

export async function groupMembersDemote(input: { userId: number }) {
    return fetchJson<{ ok: true }>("/api/groups/members/demote", {
        method: "POST",
        body: JSON.stringify(input)
    });
}

export async function groupMembersLeave() {
    return fetchJson<{ ok: true }>("/api/groups/members/leave", {
        method: "POST"
    });
}

export async function groupMembersTransferOwner(input: { userId: number }) {
    return fetchJson<{ ok: true }>("/api/groups/members/transfer-owner", {
        method: "POST",
        body: JSON.stringify(input)
    });
}