/* =============================================================================
 * M02_MyMachine_Api.ts
 * M02 내 기계 · 내 품목 서버 호출(PLAN 821-3) — 개인 층만.
 *   내 기계 = `/layers/personal/my-machines`(821-1 · `M02_MyMachine_Router`) — 목록 · 하나 · 만들기 · 고치기 · 지우기
 *   양식 목록 · 비슷한 기계 찾기 · 내 품목 = `M02_MyMachine_Look`(읽기만)
 * ========================================================================== */

import type { MachinePick, MachineValues } from "@ui/ui_template_machine_form";
import { call } from "./M02_MasterTemplete_Api_Fetch";
import type { M01Element } from "./M02_MasterTemplete_Find_Pick";

export type MachineHow = "바로" | "품셈" | "직접";
type Costs = Record<"노무비" | "재료비" | "경비", number>;

/** 서버 시간당 셈 답 — ok 아님 = 까닭 */
export interface MyHourly extends Partial<Costs> {
  ok: boolean;
  계?: number;
  로직?: string | null;
  직접?: boolean;
  reason?: string;
}

/** 내 기계 줄(저장 꼴) */
export interface MyMachine {
  키: string;
  원문번호: string;
  이름: string;
  규격: string;
  방식: MachineHow;
  값: MachineValues;
  시간당?: Costs;
  비고?: string;
  넣은날: string;
  고친날: string;
  본뜬?: string;
}

export interface MyMachineRow extends Omit<MyMachine, "시간당"> {
  시간당: MyHourly;
  쓰는곳수: number;
}

export interface Use {
  키: string;
  이름: string;
}

export interface MyMachineOne {
  줄: MyMachine;
  시간당: MyHourly;
  같은이름: { 키: string; 이름: string; 규격: string; 출처: string }[];
  쓰는곳?: Use[];
}

/** 보내는 줄 — 방식 · 값 또는 시간당(직접) */
export interface MyMachineBody {
  이름: string;
  규격: string;
  방식: MachineHow;
  값?: MachineValues;
  시간당?: Partial<Costs>;
}

export interface MachineLists {
  fuels: MachinePick[];
  jobs: MachinePick[];
  power: number;
  hour: number;
}

export interface SimilarRow {
  키: string;
  원문번호?: string;
  이름: string;
  규격: string;
  구분: string;
  값?: MachineValues;
  방식?: MachineHow;
  시간당?: Costs;
  출처: "개인" | "M01";
}

export interface MyItem {
  이름: string;
  규격: string;
  단위: string;
  값: unknown;
  쓰는곳: Use[];
}

const at = (owner: string | null, tail = "", q: Record<string, string> = {}): string => {
  const ask = new URLSearchParams({ ...q, ...(owner ? { owner } : {}) }).toString();
  return `/layers/personal/my-machines${tail}${ask ? `?${ask}` : ""}`;
};
const look = (owner: string | null, path: string, q: Record<string, string> = {}): string => {
  const ask = new URLSearchParams({ ...q, ...(owner ? { owner } : {}) }).toString();
  return `/layers/personal/${path}${ask ? `?${ask}` : ""}`;
};
const key = (k: string): string => `/${encodeURIComponent(k)}`;

export const listMyMachines = async (owner: string | null): Promise<MyMachineRow[]> =>
  (await call<{ 줄: MyMachineRow[] }>(at(owner))).줄;

export const readMyMachine = (owner: string | null, k: string): Promise<MyMachineOne> =>
  call(at(owner, key(k)));

export const createMyMachine = (
  owner: string | null,
  body: MyMachineBody,
  base?: string,
): Promise<MyMachineOne> =>
  call(at(owner), { method: "POST", body: JSON.stringify({ 줄: body, 본뜬: base ?? null }) });

export const updateMyMachine = (
  owner: string | null,
  k: string,
  body: MyMachineBody,
): Promise<MyMachineOne> =>
  call(at(owner, key(k)), { method: "PUT", body: JSON.stringify({ 줄: body }) });

export const deleteMyMachine = (owner: string | null, k: string): Promise<{ 쓰는곳: Use[] }> =>
  call(at(owner, key(k)), { method: "DELETE" });

let lists: Promise<MachineLists> | null = null;
/** 양식 고르기 목록 — 한 번 받아 둠 */
export const fetchMyMachineLists = (): Promise<MachineLists> =>
  (lists ??= call<MachineLists>("/my-machine-lists").catch((e) => {
    lists = null;
    return Promise.reject(e);
  }));

export const findSimilar = async (owner: string | null, q: string): Promise<SimilarRow[]> =>
  (await call<{ rows: SimilarRow[] }>(look(owner, "my-machine-find", { q }))).rows;

export const listMyItems = async (owner: string | null): Promise<MyItem[]> =>
  (await call<{ rows: MyItem[] }>(look(owner, "my-items"))).rows;

/** 단가산출 줄 기계 입력 글(줄 쌓기 `기계='개인 EQP…'`) */
export const machineArg = (no: string): string => `'${no}'`;

/** 내 기계 → 기계 고르기 한 줄(`M01Element` 꼴 · 줄 쌓기 = 로직 + 기계='개인 EQP…') */
export const mineElement = (
  row: Pick<MyMachine, "키" | "원문번호" | "이름" | "규격">,
  h: MyHourly,
): M01Element => ({
  종류: "기계",
  코드: row.키,
  이름: row.이름,
  규격: row.규격,
  단위: "시간",
  값: h.ok ? (h.계 ?? null) : null,
  단가: { 노무비: h.노무비 ?? 0, 재료비: h.재료비 ?? 0, 경비: h.경비 ?? 0 },
  로직: h.로직 ?? undefined,
  원문번호: row.원문번호,
});