import { sendCommand } from "./client";
import { pickCase } from "./normalize";

export type FragmentDto = {
  id: string;
  type: string;
  description: string;
  time: string;
  tags: string[];
};

export type CreateFragmentPayload = {
  type: string;
  description: string;
  tags?: string[];
};

export type UpdateFragmentPayload = {
  type?: string;
  description?: string;
  tags?: string[];
  time?: string;
};

export type FragmentDtoRaw = {
  id?: string;
  type?: string;
  description?: string;
  time?: string;
  tags?: string[];
  Id?: string;
  Type?: string;
  Description?: string;
  Time?: string;
  Tags?: string[];
};

export function normalizeFragment(raw: FragmentDtoRaw): FragmentDto {
  return {
    id: pickCase(raw, "id", "Id", ""),
    type: pickCase(raw, "type", "Type", ""),
    description: pickCase(raw, "description", "Description", ""),
    time: pickCase(raw, "time", "Time", ""),
    tags: pickCase(raw, "tags", "Tags", [] as string[]),
  };
}

export async function listFragments(): Promise<FragmentDto[]> {
  const data = await sendCommand<FragmentDtoRaw[]>({
    action: "fragments.list",
  });
  return data.map(normalizeFragment).filter((item) => Boolean(item.id));
}

export async function getFragment(id: string): Promise<FragmentDto | null> {
  const data = await sendCommand<FragmentDtoRaw | null>({
    action: "fragments.get",
    id,
  });
  if (!data) return null;
  const normalized = normalizeFragment(data);
  return normalized.id ? normalized : null;
}

export async function createFragment(
  payload: CreateFragmentPayload,
): Promise<FragmentDto> {
  const data = await sendCommand<FragmentDtoRaw>({
    action: "fragments.create",
    payload,
  });
  return normalizeFragment(data);
}

export function updateFragment(
  id: string,
  payload: UpdateFragmentPayload,
): Promise<boolean> {
  return sendCommand<boolean>({
    action: "fragments.update",
    id,
    payload,
  });
}

export function deleteFragment(id: string): Promise<boolean> {
  return sendCommand<boolean>({
    action: "fragments.delete",
    id,
  });
}