import mutations from '~/ide/stores/mutations/file';
import state from '~/ide/stores/state';
import { file } from '../../helpers';

describe('IDE store file mutations', () => {
  let localState;
  let localFile;

  beforeEach(() => {
    localState = state();
    localFile = {
      ...file(),
      type: 'blob',
    };

    localState.entries[localFile.path] = localFile;
  });

  describe('SET_FILE_ACTIVE', () => {
    it('sets the file active', () => {
      mutations.SET_FILE_ACTIVE(localState, {
        path: localFile.path,
        active: true,
      });

      expect(localFile.active).toBeTruthy();
    });

    it('sets pending tab as not active', () => {
      localState.openFiles.push({
        ...localFile,
        pending: true,
        active: true,
      });

      mutations.SET_FILE_ACTIVE(localState, {
        path: localFile.path,
        active: true,
      });

      expect(localState.openFiles[0].active).toBe(false);
    });
  });

  describe('TOGGLE_FILE_OPEN', () => {
    beforeEach(() => {
      mutations.TOGGLE_FILE_OPEN(localState, localFile.path);
    });

    it('adds into opened files', () => {
      expect(localFile.opened).toBeTruthy();
      expect(localState.openFiles.length).toBe(1);
    });

    it('removes from opened files', () => {
      mutations.TOGGLE_FILE_OPEN(localState, localFile.path);

      expect(localFile.opened).toBeFalsy();
      expect(localState.openFiles.length).toBe(0);
    });
  });

  describe('SET_FILE_DATA', () => {
    it('sets extra file data', () => {
      mutations.SET_FILE_DATA(localState, {
        data: {
          blame_path: 'blame',
          commits_path: 'commits',
          permalink: 'permalink',
          raw_path: 'raw',
          binary: true,
          render_error: 'render_error',
        },
        file: localFile,
      });

      expect(localFile.blamePath).toBe('blame');
      expect(localFile.commitsPath).toBe('commits');
      expect(localFile.permalink).toBe('permalink');
      expect(localFile.rawPath).toBe('raw');
      expect(localFile.binary).toBeTruthy();
      expect(localFile.renderError).toBe('render_error');
      expect(localFile.raw).toBeNull();
      expect(localFile.baseRaw).toBeNull();
    });
  });

  describe('SET_FILE_RAW_DATA', () => {
    it('sets raw data', () => {
      mutations.SET_FILE_RAW_DATA(localState, {
        file: localFile,
        raw: 'testing',
      });

      expect(localFile.raw).toBe('testing');
    });
  });

  describe('SET_FILE_BASE_RAW_DATA', () => {
    it('sets raw data from base branch', () => {
      mutations.SET_FILE_BASE_RAW_DATA(localState, {
        file: localFile,
        baseRaw: 'testing',
      });

      expect(localFile.baseRaw).toBe('testing');
    });
  });

  describe('UPDATE_FILE_CONTENT', () => {
    beforeEach(() => {
      localFile.raw = 'test';
    });

    it('sets content', () => {
      mutations.UPDATE_FILE_CONTENT(localState, {
        path: localFile.path,
        content: 'test',
      });

      expect(localFile.content).toBe('test');
    });

    it('sets changed if content does not match raw', () => {
      mutations.UPDATE_FILE_CONTENT(localState, {
        path: localFile.path,
        content: 'testing',
      });

      expect(localFile.content).toBe('testing');
      expect(localFile.changed).toBeTruthy();
    });

    it('sets changed if file is a temp file', () => {
      localFile.tempFile = true;

      mutations.UPDATE_FILE_CONTENT(localState, {
        path: localFile.path,
        content: '',
      });

      expect(localFile.changed).toBeTruthy();
    });
  });

  describe('SET_FILE_MERGE_REQUEST_CHANGE', () => {
    it('sets file mr change', () => {
      mutations.SET_FILE_MERGE_REQUEST_CHANGE(localState, {
        file: localFile,
        mrChange: { diff: 'ABC' },
      });

      expect(localFile.mrChange.diff).toBe('ABC');
    });
  });

  describe('DISCARD_FILE_CHANGES', () => {
    beforeEach(() => {
      localFile.content = 'test';
      localFile.changed = true;
    });

    it('resets content and changed', () => {
      mutations.DISCARD_FILE_CHANGES(localState, localFile.path);

      expect(localFile.content).toBe('');
      expect(localFile.changed).toBeFalsy();
    });
  });

  describe('ADD_FILE_TO_CHANGED', () => {
    it('adds file into changed files array', () => {
      mutations.ADD_FILE_TO_CHANGED(localState, localFile.path);

      expect(localState.changedFiles.length).toBe(1);
    });
  });

  describe('REMOVE_FILE_FROM_CHANGED', () => {
    it('removes files from changed files array', () => {
      localState.changedFiles.push(localFile);

      mutations.REMOVE_FILE_FROM_CHANGED(localState, localFile.path);

      expect(localState.changedFiles.length).toBe(0);
    });
  });

  describe('STAGE_CHANGE', () => {
    it('adds file into stagedFiles array', () => {
      mutations.STAGE_CHANGE(localState, localFile.path);

      expect(localState.stagedFiles.length).toBe(1);
      expect(localState.stagedFiles[0]).toEqual(localFile);
    });

    it('updates stagedFile if it is already staged', () => {
      mutations.STAGE_CHANGE(localState, localFile.path);

      localFile.raw = 'testing 123';

      mutations.STAGE_CHANGE(localState, localFile.path);

      expect(localState.stagedFiles.length).toBe(1);
      expect(localState.stagedFiles[0].raw).toEqual('testing 123');
    });
  });

  describe('UNSTAGE_CHANGE', () => {
    let f;

    beforeEach(() => {
      f = {
        ...file(),
        type: 'blob',
        staged: true,
      };

      localState.stagedFiles.push(f);
      localState.changedFiles.push(f);
      localState.entries[f.path] = f;
    });

    it('removes from stagedFiles array', () => {
      mutations.UNSTAGE_CHANGE(localState, f.path);

      expect(localState.stagedFiles.length).toBe(0);
      expect(localState.changedFiles.length).toBe(1);
    });
  });

  describe('TOGGLE_FILE_CHANGED', () => {
    it('updates file changed status', () => {
      mutations.TOGGLE_FILE_CHANGED(localState, {
        file: localFile,
        changed: true,
      });

      expect(localFile.changed).toBeTruthy();
    });
  });

  describe('SET_FILE_VIEWMODE', () => {
    it('updates file view mode', () => {
      mutations.SET_FILE_VIEWMODE(localState, {
        file: localFile,
        viewMode: 'preview',
      });

      expect(localFile.viewMode).toBe('preview');
    });
  });

  describe('ADD_PENDING_TAB', () => {
    beforeEach(() => {
      const f = {
        ...file('openFile'),
        path: 'openFile',
        active: true,
        opened: true,
      };

      localState.entries[f.path] = f;
      localState.openFiles.push(f);
    });

    it('adds file into openFiles as pending', () => {
      mutations.ADD_PENDING_TAB(localState, { file: localFile });

      expect(localState.openFiles.length).toBe(1);
      expect(localState.openFiles[0].pending).toBe(true);
      expect(localState.openFiles[0].key).toBe(`pending-${localFile.key}`);
    });

    it('only allows 1 open pending file', () => {
      const newFile = file('test');
      localState.entries[newFile.path] = newFile;

      mutations.ADD_PENDING_TAB(localState, { file: localFile });

      expect(localState.openFiles.length).toBe(1);

      mutations.ADD_PENDING_TAB(localState, { file: file('test') });

      expect(localState.openFiles.length).toBe(1);
      expect(localState.openFiles[0].name).toBe('test');
    });
  });

  describe('REMOVE_PENDING_TAB', () => {
    it('removes pending tab from openFiles', () => {
      localFile.key = 'testing';
      localState.openFiles.push(localFile);

      mutations.REMOVE_PENDING_TAB(localState, localFile);

      expect(localState.openFiles.length).toBe(0);
    });
  });
});
