import componentTest from 'helpers/component-test';
import { withPluginApi } from 'discourse/lib/plugin-api';
import { clearCallbacks } from 'select-kit/mixins/plugin-api';

moduleForComponent('single-select', {
  integration: true,
  beforeEach: function() {
    this.set('subject', selectKit());
  }
});

componentTest('updating the content refreshes the list', {
  template: '{{single-select value=1 content=content}}',

  beforeEach() {
    this.set("content", [{ id: 1, name: "BEFORE" }]);
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.equal(this.get('subject').rowByValue(1).name(), "BEFORE");
    });

    andThen(() => {
      this.set("content", [{ id: 1, name: "AFTER" }]);
    });

    andThen(() => {
      assert.equal(this.get('subject').rowByValue(1).name(), "AFTER");
    });
  }
});

componentTest('accepts a value by reference', {
  template: '{{single-select value=value content=content}}',

  beforeEach() {
    this.set("value", 1);
    this.set("content", [{ id: 1, name: "robin" }, { id: 2, name: "regis" }]);
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.equal(
        this.get('subject').selectedRow().name(), "robin",
        "it highlights the row corresponding to the value"
      );
    });

    this.get('subject').selectRowByValue(1);

    andThen(() => {
      assert.equal(this.get("value"), 1, "it mutates the value");
    });
  }
});

componentTest('no default icon', {
  template: '{{single-select}}',

  test(assert) {
    assert.equal(
      this.get('subject').header().icon().length,
      0,
      "it doesn’t have an icon if not specified"
    );
  }
});

componentTest('default search icon', {
  template: '{{single-select filterable=true}}',

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.ok(exists(this.get('subject').filter().icon()), "it has an icon");
    });
  }
});

componentTest('with no search icon', {
  template: '{{single-select filterable=true filterIcon=null}}',

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.notOk(exists(this.get('subject').filter().icon()), "it has no icon");
    });
  }
});

componentTest('custom search icon', {
  template: '{{single-select filterable=true filterIcon="shower"}}',

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.ok(
        this.get('subject').filter().icon().hasClass("d-icon-shower"),
        "it has a the correct icon"
      );
    });
  }
});

componentTest('is expandable', {
  template: '{{single-select}}',
  test(assert) {
    this.get('subject').expand();

    andThen(() => assert.ok(this.get('subject').isExpanded()) );

    this.get('subject').collapse();

    andThen(() => assert.notOk(this.get('subject').isExpanded()) );
  }
});

componentTest('accepts custom value/name keys', {
  template: '{{single-select value=value nameProperty="item" content=content valueAttribute="identifier"}}',

  beforeEach() {
    this.set("value", 1);
    this.set("content", [{ identifier: 1, item: "robin" }]);
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.equal(this.get('subject').selectedRow().name(), "robin");
    });
  }
});

componentTest('doesn’t render collection content before first expand', {
  template: '{{single-select value=1 content=content}}',

  beforeEach() {
    this.set("content", [{ value: 1, name: "robin" }]);
  },

  test(assert) {
    assert.notOk(exists(find(".select-kit-collection")));

    this.get('subject').expand();

    andThen(() => {
      assert.ok(exists(find(".select-kit-collection")));
    });
  }
});

componentTest('supports options to limit size', {
  template: '{{single-select collectionHeight=20 content=content}}',

  beforeEach() {
    this.set("content", ["robin", "régis"]);
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      const height = find(".select-kit-collection").height();
      assert.equal(parseInt(height, 10), 20, "it limits the height");
    });
  }
});

componentTest('dynamic headerText', {
  template: '{{single-select value=1 content=content}}',

  beforeEach() {
    this.set("content", [{ id: 1, name: "robin" }, { id: 2, name: "regis" }]);
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.equal(this.get('subject').header().name(), 'robin');
    });

    this.get('subject').selectRowByValue(2);

    andThen(() => {
      assert.equal(
        this.get('subject').header().name(),
        'regis',
        'it changes header text'
      );
    });
  }
});

componentTest('supports custom row template', {
  template: '{{single-select content=content templateForRow=templateForRow}}',

  beforeEach() {
    this.set("content", [{ id: 1, name: "robin" }]);
    this.set("templateForRow", rowComponent => {
      return `<b>${rowComponent.get("computedContent.name")}</b>`;
    });
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.equal(
        this.get('subject').rowByValue(1).el().html().trim(), "<b>robin</b>"
      );
    });
  }
});

componentTest('supports converting select value to integer', {
  template: '{{single-select value=value content=content castInteger=true}}',

  beforeEach() {
    this.set('value', 2);
    this.set('content', [{ id: '1', name: 'robin'}, {id: '2', name: 'régis' }]);
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => assert.equal(this.get('subject').selectedRow().name(), 'régis') );

    andThen(() => {
      this.set('value', 1);
    });

    andThen(() => {
      assert.equal(
        this.get('subject').selectedRow().name(),
        'robin',
        'it works with dynamic content'
      );
    });
  }
});

componentTest('supports keyboard events', {
  template: '{{single-select content=content filterable=true}}',

  beforeEach() {
    this.set("content", [{ id: 1, name: "robin" }, { id: 2, name: "regis" }]);
  },

  test(assert) {
    this.get('subject').expand().keyboard().down();

    andThen(() => {
      assert.equal(this.get('subject').highlightedRow().title(), "regis", "the next row is highlighted");
    });

    this.get('subject').keyboard().down();

    andThen(() => {
      assert.equal(this.get('subject').highlightedRow().title(), "robin", "it returns to the first row");
    });

    this.get('subject').keyboard().up();

    andThen(() => {
      assert.equal(this.get('subject').highlightedRow().title(), "regis", "it highlights the last row");
    });

    this.get('subject').keyboard().enter();

    andThen(() => {
      assert.equal(this.get('subject').selectedRow().title(), "regis", "it selects the row when pressing enter");
      assert.notOk(this.get('subject').isExpanded(), "it collapses the select box when selecting a row");
    });

    this.get('subject').expand().keyboard().escape();

    andThen(() => {
      assert.notOk(this.get('subject').isExpanded(), "it collapses the select box");
    });

    this.get('subject').expand().fillInFilter('regis').keyboard().tab();

    andThen(() => {
      assert.notOk(this.get('subject').isExpanded(), "it collapses the select box when selecting a row");
    });
  }
});


componentTest('with allowInitialValueMutation', {
  template: '{{single-select value=value content=content allowInitialValueMutation=true}}',

  beforeEach() {
    this.set("value", "");
    this.set("content", [{ id: "1", name: "robin"}, {id: "2", name: "régis" }]);
  },

  test(assert) {
    andThen(() => {
      assert.equal(this.get("value"), "1", "it mutates the value on initial rendering");
    });
  }
});

componentTest('support appending content through plugin api', {
  template: '{{single-select content=content}}',

  beforeEach() {
    withPluginApi('0.8.13', api => {
      api.modifySelectKit('select-kit')
         .appendContent([{ id: '2', name: 'regis'}]);
    });

    this.set('content', [{ id: '1', name: 'robin'}]);
  },
  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.equal(this.get('subject').rows().length, 2);
      assert.equal(this.get('subject').rowByIndex(1).name(), 'regis');
    });

    andThen(() => clearCallbacks());
  }
});

componentTest('support modifying content through plugin api', {
  template: '{{single-select content=content}}',

  beforeEach() {
    withPluginApi('0.8.13', api => {
      api.modifySelectKit("select-kit")
         .modifyContent((context, existingContent) => {
           existingContent.splice(1, 0, { id: "2", name: "sam" });
           return existingContent;
         });
    });

    this.set("content", [{ id: "1", name: "robin"}, { id: "3", name: "regis"}]);
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.equal(this.get('subject').rows().length, 3);
      assert.equal(this.get('subject').rowByIndex(1).name(), "sam");
    });

    andThen(() => clearCallbacks());
  }
});

componentTest('support prepending content through plugin api', {
  template: '{{single-select content=content}}',

  beforeEach() {
    withPluginApi('0.8.13', api => {
      api.modifySelectKit("select-kit")
         .prependContent([{ id: "2", name: "regis"}]);
    });

    this.set("content", [{ id: "1", name: "robin"}]);
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.equal(this.get('subject').rows().length, 2);
      assert.equal(this.get('subject').rowByIndex(0).name(), "regis");
    });

    andThen(() => clearCallbacks());
  }
});

componentTest('support modifying on select behavior through plugin api', {
  template: '<span class="on-select-test"></span>{{single-select content=content}}',

  beforeEach() {
    withPluginApi('0.8.13', api => {
      api
        .modifySelectKit("select-kit")
        .onSelect((context, value) => {
          find(".on-select-test").html(value);
        });
    });

    this.set("content", [{ id: "1", name: "robin"}]);
  },

  test(assert) {
    this.get('subject').expand().selectRowByValue(1);

    andThen(() => {
      assert.equal(find(".on-select-test").html(), "1");
    });

    andThen(() => clearCallbacks());
  }
});

componentTest('with nameChanges', {
  template: '{{single-select content=content nameChanges=true}}',

  beforeEach() {
    this.set("robin", { id: "1", name: "robin"});
    this.set("content", [this.get("robin")]);
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.equal(this.get('subject').header().name(), "robin");
    });

    andThen(() => {
      this.set("robin.name", "robin2");
    });

    andThen(() => {
      assert.equal(this.get('subject').header().name(), "robin2");
    });
  }
});


componentTest('with null value', {
  template: '{{single-select content=content}}',

  beforeEach() {
    this.set("content", [{ name: "robin" }]);
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => {
      assert.equal(this.get('subject').header().name(), "robin");
      assert.equal(this.get('subject').header().value(), undefined);
    });
  }
});

componentTest('with collection header', {
  template: '{{single-select collectionHeader=collectionHeader}}',

  beforeEach() {
    this.set("collectionHeader", "<h2>Hello</h2>");
  },

  test(assert) {
    this.get('subject').expand();

    andThen(() => assert.ok(exists(".collection-header h2")));
  }
});

componentTest('with title', {
  template: '{{single-select title=(i18n "test.title")}}',

  beforeEach() {
    I18n.translations[I18n.locale].js.test = {title: 'My title'};
  },

  test(assert) {
    andThen(() => assert.equal(this.get('subject').header().title(), 'My title') );
  }
});


componentTest('support modifying header computed content through plugin api', {
  template: '{{single-select content=content}}',

  beforeEach() {
    withPluginApi('0.8.15', api => {
      api.modifySelectKit("select-kit")
        .modifyHeaderComputedContent((context, computedContent) => {
          computedContent.title = "Not so evil";
          return computedContent;
        });
    });

    this.set("content", [{ id: "1", name: "robin"}]);
  },

  test(assert) {
    andThen(() => {
      assert.equal(this.get('subject').header().title(), "Not so evil");
    });

    andThen(() => clearCallbacks());
  }
});