import { readFileSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import * as XLSX from 'xlsx';
import { describe, expect, it } from 'vitest';
import { parseAbutments } from '../src/core/abut/parse';
import { parseProject, serializeProject, SCHEMA_VERSION, type ProjectFile } from '../src/core/project';
import { loadP1 } from './helpers';

const RAG = fileURLToPath(new URL('../../../RAG/운곡교P1입력.xlsx', import.meta.url));
const abutments = parseAbutments(XLSX.read(readFileSync(RAG), { type: 'buffer' })).abutments;

function project(extra: Partial<ProjectFile> = {}): ProjectFile {
  return {
    schemaVersion: SCHEMA_VERSION,
    project: { name: '운곡교 교각', bridge: '운곡교', client: '', author: '', crs: 'KATEC', memo: '' },
    source: { fileName: '운곡교P1입력.xlsx', sheets: ['교각', 'IP', '받침'] },
    piers: [{ id: 'P1', input: loadP1() }],
    history: [],
    ...extra,
  };
}

describe('교대 기록의 저장과 불러오기 (AB)', () => {
  it('the A1 record survives a save and open unchanged', () => {
    const text = serializeProject(project({ abutments }));
    const back = parseProject(text);
    expect(back.abutments).toEqual(abutments);
  });

  it('an old file without abutments opens with none', () => {
    const back = parseProject(serializeProject(project()));
    expect(back.abutments).toBeUndefined();
  });

  it('a damaged abutment record is refused and the message names it', () => {
    const bad = JSON.parse(JSON.stringify(abutments)) as typeof abutments;
    bad[0].seatEl = NaN as unknown as number;
    expect(() => parseProject(serializeProject(project({ abutments: bad })))).toThrow('A1');
  });

  it('a wrong 형식 is refused', () => {
    const bad = JSON.parse(JSON.stringify(abutments)) as typeof abutments;
    (bad[0] as unknown as { type: string }).type = 'A3';
    expect(() => parseProject(serializeProject(project({ abutments: bad })))).toThrow('A1 또는 A2');
  });

  it('the imported defaults are saved and opened with the edited values', () => {
    const edited = abutments.map((a) => ({ ...a, groundEl: 34.5 }));
    const back = parseProject(serializeProject(project({ abutments: edited, abutDefaults: abutments })));
    expect(back.abutments![0].groundEl).toBe(34.5);
    expect(back.abutDefaults).toEqual(abutments);
  });
});