import { TestBed } from '@angular/core/testing';
import { DEFAULT_STATUSES, StatusesStore } from './statuses.store';

const STORAGE_KEY = 'bonsai_statuses';

describe('StatusesStore', () => {
  let store: StatusesStore;

  beforeEach(() => {
    localStorage.removeItem(STORAGE_KEY);
    TestBed.configureTestingModule({});
    store = TestBed.inject(StatusesStore);
  });

  afterEach(() => {
    localStorage.removeItem(STORAGE_KEY);
  });

  describe('statuses', () => {
    it('returns default statuses when localStorage is empty', () => {
      expect(store.statuses()).toEqual(DEFAULT_STATUSES);
    });

    it('restores statuses saved in localStorage', () => {
      const saved = [
        { id: 'done', label: 'TERMINÉ', bg: '#dcfce7', color: '#166534', order: 0 },
        { id: 'draft', label: 'BROUILLON', bg: '#e2e8f0', color: '#475569', order: 1 },
      ];
      localStorage.setItem(STORAGE_KEY, JSON.stringify(saved));
      TestBed.resetTestingModule();
      TestBed.configureTestingModule({});
      const freshStore = TestBed.inject(StatusesStore);
      expect(freshStore.statuses()).toEqual(saved);
    });

    it('falls back to default when localStorage contains invalid JSON', () => {
      localStorage.setItem(STORAGE_KEY, 'not-json');
      TestBed.resetTestingModule();
      TestBed.configureTestingModule({});
      const freshStore = TestBed.inject(StatusesStore);
      expect(freshStore.statuses()).toEqual(DEFAULT_STATUSES);
    });

    it('sorts statuses by order on load', () => {
      const unsorted = [DEFAULT_STATUSES[2], DEFAULT_STATUSES[0], DEFAULT_STATUSES[1], DEFAULT_STATUSES[3]];
      localStorage.setItem(STORAGE_KEY, JSON.stringify(unsorted));
      TestBed.resetTestingModule();
      TestBed.configureTestingModule({});
      const freshStore = TestBed.inject(StatusesStore);
      expect(freshStore.statuses().map((s) => s.id)).toEqual(['draft', 'todo', 'in-progress', 'done']);
    });
  });

  describe('setOrder', () => {
    it('reassigns order values based on position', () => {
      const reordered = [DEFAULT_STATUSES[3], DEFAULT_STATUSES[2], DEFAULT_STATUSES[1], DEFAULT_STATUSES[0]];
      store.setOrder(reordered);
      expect(store.statuses()[0].id).toBe('done');
      expect(store.statuses()[0].order).toBe(0);
      expect(store.statuses()[3].id).toBe('draft');
      expect(store.statuses()[3].order).toBe(3);
    });

    it('persists the new order to localStorage', () => {
      const reordered = [DEFAULT_STATUSES[1], DEFAULT_STATUSES[0], DEFAULT_STATUSES[2], DEFAULT_STATUSES[3]];
      store.setOrder(reordered);
      const stored = JSON.parse(localStorage.getItem(STORAGE_KEY)!);
      expect(stored[0].id).toBe('todo');
      expect(stored[1].id).toBe('draft');
    });
  });

  describe('getById', () => {
    it('returns the matching status entity', () => {
      expect(store.getById('draft')?.label).toBe('BROUILLON');
    });

    it('returns undefined for unknown id', () => {
      expect(store.getById('unknown')).toBeUndefined();
    });
  });

  describe('isCompleted', () => {
    it('returns true for done status', () => {
      expect(store.isCompleted('done')).toBe(true);
    });

    it('returns false for non-completed statuses', () => {
      expect(store.isCompleted('draft')).toBe(false);
      expect(store.isCompleted('todo')).toBe(false);
      expect(store.isCompleted('in-progress')).toBe(false);
    });

    it('returns false for unknown status', () => {
      expect(store.isCompleted('unknown')).toBe(false);
    });

    it('returns true for a custom status with countsAsCompleted true', () => {
      store.create({ id: 'abandoned', label: 'ABANDONNÉE', bg: '#f1f5f9', color: '#64748b', countsAsCompleted: true });
      expect(store.isCompleted('abandoned')).toBe(true);
    });
  });

  describe('create', () => {
    it('adds a new status with the next order value', () => {
      store.create({ id: 'blocked', label: 'BLOQUÉ', bg: '#fee2e2', color: '#991b1b', countsAsCompleted: false });
      const added = store.getById('blocked');
      expect(added?.label).toBe('BLOQUÉ');
      expect(added?.order).toBe(DEFAULT_STATUSES.length);
    });

    it('persists the new status to localStorage', () => {
      store.create({ id: 'custom', label: 'CUSTOM', bg: '#fff', color: '#000', countsAsCompleted: false });
      const stored = JSON.parse(localStorage.getItem(STORAGE_KEY)!);
      expect(stored.some((s: { id: string }) => s.id === 'custom')).toBe(true);
    });
  });

  describe('update', () => {
    it('updates label, bg and color of an existing status', () => {
      store.update('draft', { label: 'NOUVEAU', bg: '#fff', color: '#000', countsAsCompleted: false });
      const updated = store.getById('draft');
      expect(updated?.label).toBe('NOUVEAU');
      expect(updated?.bg).toBe('#fff');
    });

    it('does not change unrelated statuses', () => {
      store.update('draft', { label: 'NOUVEAU' });
      expect(store.getById('todo')?.label).toBe('À FAIRE');
    });
  });
});