// The shop board, the stall and the department people (phase 5 contract, api/shop.py and api/departments.py).
// These types belong to the Supervisor and Stall screens. The packet page types stay in types.ts.
import { api } from "./client";
import { asList, qs } from "./query";
import type { PacketCard } from "./types";

export interface ShopClock {
  /** Live on the server at the time of the answer: stored plus the running time. */
  elapsed_ms: number;
  running: boolean;
}

export interface ShopCo {
  label: string;
  /** "pending" while Clerical reviews a change from VISUAL, "approved" once it applies. */
  review: string;
}

/** A card on the shop board: the phase 4 card plus the station, welder, clock and open change orders. */
export interface ShopCard extends Omit<PacketCard, "open_cos"> {
  welder_stamp?: string | null;
  clock?: ShopClock | null;
  target_hrs?: number | null;
  open_cos: ShopCo[];
  return_note?: string | null;
}

export interface ShopStation {
  id: number;
  name: string;
  packets: ShopCard[];
}

export type BoardLevel = "lead" | "supervisor" | "admin";

export interface ShopDept {
  code: string;
  name: string;
  weld: boolean;
  level: BoardLevel;
  stations: ShopStation[];
}

export interface ShopKpis {
  ready: number;
  at_stations: number;
  review: number;
  elapsed_ms: number;
  target_hrs: number;
}

/** One open change order on a packet in scope, or one waiting on a department of mine. */
export interface ShopCoRow {
  packet_id: number;
  unit_number: string;
  op: string | null;
  title: string | null;
  dept_code: string;
  co_no: number;
  label: string;
  review: string;
  hold: boolean;
  pending_depts: string[];
  /** I can verify one of the pending departments. */
  mine: boolean;
  reason: string | null;
  ecn: string | null;
  issued_at: string | null;
}

export const SHOP_COLUMNS = ["ready", "review", "qc", "warehouse", "complete"] as const;
export type ShopColumn = (typeof SHOP_COLUMNS)[number];

export interface ShopBoard {
  depts: ShopDept[];
  kpis: ShopKpis;
  cos: ShopCoRow[];
  columns: Record<ShopColumn, ShopCard[]>;
}

export interface ShopBoardQuery {
  /** A department code, or "all". */
  dept?: string;
  project_id?: number;
  unit_id?: number;
}

export interface StationOption {
  dept_code: string;
  dept_name: string;
  id: number;
  name: string;
}

export interface StallAnswer {
  station: { id: number; name: string; dept_code: string; dept_name: string };
  mine: ShopCard[];
  submitted: ShopCard[];
}

export interface DeptPerson {
  id: string;
  display_name: string;
  stamp: string | null;
  level: "worker" | "lead" | "supervisor";
  station_limits: number[];
}

/** A card with every list present, so the screens never trip on a missing field. */
export function normaliseCard(raw: ShopCard): ShopCard {
  return { ...raw, open_cos: Array.isArray(raw.open_cos) ? raw.open_cos : [] };
}

function cards(raw: unknown): ShopCard[] {
  return Array.isArray(raw) ? (raw as ShopCard[]).map(normaliseCard) : [];
}

/** Every department, column and number present, even when the server leaves one out. */
export function normaliseBoard(raw: Partial<ShopBoard> | null): ShopBoard {
  const cols = (raw?.columns ?? {}) as Partial<Record<ShopColumn, unknown>>;
  const columns = Object.fromEntries(SHOP_COLUMNS.map((c) => [c, cards(cols[c])])) as ShopBoard["columns"];
  const depts = (Array.isArray(raw?.depts) ? raw.depts : []).map((d) => ({
    ...d,
    stations: (Array.isArray(d.stations) ? d.stations : []).map((s) => ({ ...s, packets: cards(s.packets) })),
  }));
  return {
    depts,
    kpis: { ready: 0, at_stations: 0, review: 0, elapsed_ms: 0, target_hrs: 0, ...(raw?.kpis ?? {}) },
    cos: Array.isArray(raw?.cos) ? raw.cos.map((c) => ({ ...c, pending_depts: Array.isArray(c.pending_depts) ? c.pending_depts : [] })) : [],
    columns,
  };
}

export async function getBoard(q: ShopBoardQuery = {}, signal?: AbortSignal): Promise<ShopBoard> {
  return normaliseBoard(await api.get<Partial<ShopBoard> | null>(`/api/shop/board${qs({ ...q })}`, signal));
}

export async function getStations(signal?: AbortSignal): Promise<StationOption[]> {
  return asList<StationOption>(await api.get<unknown>("/api/shop/stations", signal), "stations");
}

export async function getStall(stationId: number, signal?: AbortSignal): Promise<StallAnswer> {
  const raw = await api.get<Partial<StallAnswer> | null>(`/api/shop/stall${qs({ station_id: stationId })}`, signal);
  return {
    station: raw?.station ?? { id: stationId, name: "", dept_code: "", dept_name: "" },
    mine: cards(raw?.mine),
    submitted: cards(raw?.submitted),
  };
}

export async function getPeople(dept: string, signal?: AbortSignal): Promise<DeptPerson[]> {
  return asList<DeptPerson>(await api.get<unknown>(`/api/departments/${encodeURIComponent(dept)}/people`, signal), "people");
}

export const shopApi = { getBoard, getStations, getStall, getPeople };