import { describe, it, expect } from 'vitest';
import { parseCharacterImport, CharacterImportError } from './character';
import { characterSchema, characterDefaults, type Character } from '@/lib/schemas';

function sampleCharacter(): Character {
  return characterSchema.parse({
    id: 'orig', campaignId: 'orig-camp', system: '5e', kind: 'pc',
    name: 'Imported Hero', ancestry: 'Elf', className: 'Ranger', level: 4,
    abilities: { str: 12, dex: 16, con: 14, int: 10, wis: 13, cha: 8 },
    hp: { current: 30, max: 30, temp: 0 }, speed: 30, armorBonus: 2,
    skillRanks: { stealth: 'expert' }, saveRanks: {}, perceptionRank: 'trained',
    ...characterDefaults(),
    notes: 'hi', createdAt: 'x', updatedAt: 'x',
  });
}

describe('parseCharacterImport', () => {
  it('round-trips a wrapped export, reassigning id + campaign', () => {
    const c = sampleCharacter();
    const file = JSON.stringify({ format: 'ttrpg-manager:character', version: 1, character: c });
    const imported = parseCharacterImport(file, 'new-camp');
    expect(imported.name).toBe('Imported Hero');
    expect(imported.campaignId).toBe('new-camp');
    expect(imported.id).not.toBe('orig');
    expect(imported.abilities.dex).toBe(16);
    expect(imported.skillRanks['stealth']).toBe('expert');
  });

  it('accepts a bare character object too', () => {
    const c = sampleCharacter();
    const imported = parseCharacterImport(JSON.stringify(c), 'camp2');
    expect(imported.name).toBe('Imported Hero');
    expect(imported.campaignId).toBe('camp2');
  });

  it('rejects invalid JSON', () => {
    expect(() => parseCharacterImport('{not json', 'c')).toThrow(CharacterImportError);
  });

  it('rejects a file that is not a character', () => {
    expect(() => parseCharacterImport(JSON.stringify({ foo: 1 }), 'c')).toThrow(CharacterImportError);
  });
});