"use strict";

import keys from 'lodash/keys';
import { LayoutTreeParser } from "./LayoutTreeParser.js";
import { LayoutType } from "./LayoutType.js";
import { UniqueIdProvider } from "../adapters/UniqueIdProvider.js";
import { mock, instance, when, anything } from 'ts-mockito';
describe('LayoutTreeParser', () => {
  let uut;
  let mockedUniqueIdProvider;
  beforeEach(() => {
    mockedUniqueIdProvider = mock(UniqueIdProvider);
    when(mockedUniqueIdProvider.generate(anything())).thenReturn('myUniqueId');
    uut = new LayoutTreeParser(instance(mockedUniqueIdProvider));
  });
  describe('parses into { type, data, children }', () => {
    it('unknown type', () => {
      expect(() => uut.parse({
        wut: {}
      })).toThrowError('unknown LayoutType "wut"');
    });
    it('single component', () => {
      expect(uut.parse(LayoutExamples.singleComponent)).toEqual({
        id: 'myUniqueId',
        type: LayoutType.Component,
        data: {
          name: 'MyReactComponent',
          options: LayoutExamples.options,
          passProps: LayoutExamples.passProps
        },
        children: []
      });
    });
    it('external component', () => {
      expect(uut.parse(LayoutExamples.externalComponent)).toEqual({
        id: 'myUniqueId',
        type: LayoutType.ExternalComponent,
        data: {
          name: 'MyReactComponent',
          options: LayoutExamples.options,
          passProps: LayoutExamples.passProps
        },
        children: []
      });
    });
    it('pass props', () => {
      const result = uut.parse({
        component: {
          name: 'MyScreen',
          passProps: LayoutExamples.passProps
        }
      });
      expect(result).toEqual({
        id: 'myUniqueId',
        type: LayoutType.Component,
        data: {
          name: 'MyScreen',
          passProps: LayoutExamples.passProps
        },
        children: []
      });
      expect(result.data.passProps).toBe(LayoutExamples.passProps);
    });
    it('stack of components with top bar', () => {
      expect(uut.parse(LayoutExamples.stackWithTopBar)).toEqual({
        id: 'myUniqueId',
        type: LayoutType.Stack,
        data: {
          options: LayoutExamples.options
        },
        children: [{
          id: 'myUniqueId',
          type: LayoutType.Component,
          data: {
            name: 'MyReactComponent1'
          },
          children: []
        }, {
          id: 'myUniqueId',
          type: LayoutType.Component,
          data: {
            name: 'MyReactComponent2',
            options: LayoutExamples.options
          },
          children: []
        }]
      });
    });
    it('bottom tabs', () => {
      const result = uut.parse(LayoutExamples.bottomTabs);
      expect(keys(result)).toEqual(['id', 'type', 'data', 'children']);
      expect(result.id).toEqual('myUniqueId');
      expect(result.type).toEqual(LayoutType.BottomTabs);
      expect(result.data).toEqual({});
      expect(result.children.length).toEqual(3);
      expect(result.children[0].type).toEqual(LayoutType.Stack);
      expect(result.children[1].type).toEqual(LayoutType.Stack);
      expect(result.children[2].type).toEqual(LayoutType.Component);
    });
    it('side menus', () => {
      const result = uut.parse(LayoutExamples.sideMenu);
      expect(keys(result)).toEqual(['id', 'type', 'data', 'children']);
      expect(result.id).toEqual('myUniqueId');
      expect(result.type).toEqual(LayoutType.SideMenuRoot);
      expect(result.data).toEqual({});
      expect(result.children.length).toEqual(3);
      expect(result.children[0].type).toEqual(LayoutType.SideMenuLeft);
      expect(result.children[1].type).toEqual(LayoutType.SideMenuCenter);
      expect(result.children[2].type).toEqual(LayoutType.SideMenuRight);
      expect(result.children[0].children.length).toEqual(1);
      expect(result.children[0].children[0].type).toEqual(LayoutType.Component);
      expect(result.children[1].children.length).toEqual(1);
      expect(result.children[1].children[0].type).toEqual(LayoutType.Stack);
      expect(result.children[2].children.length).toEqual(1);
      expect(result.children[2].children[0].type).toEqual(LayoutType.Component);
    });
    it('top tabs', () => {
      const result = uut.parse(LayoutExamples.topTabs);
      expect(keys(result)).toEqual(['id', 'type', 'data', 'children']);
      expect(result.id).toEqual('myUniqueId');
      expect(result.type).toEqual(LayoutType.TopTabs);
      expect(result.data).toEqual({
        options: LayoutExamples.options
      });
      expect(result.children.length).toEqual(5);
      expect(result.children[0].type).toEqual(LayoutType.Component);
      expect(result.children[1].type).toEqual(LayoutType.Component);
      expect(result.children[2].type).toEqual(LayoutType.Component);
      expect(result.children[3].type).toEqual(LayoutType.Component);
      expect(result.children[4].type).toEqual(LayoutType.Stack);
    });
    it('complex layout example', () => {
      const result = uut.parse(LayoutExamples.complexLayout);
      expect(result.type).toEqual('SideMenuRoot');
      expect(result.children[1].type).toEqual('SideMenuCenter');
      expect(result.children[1].children[0].type).toEqual('BottomTabs');
      expect(result.children[1].children[0].children[2].type).toEqual('Stack');
    });
    it('split view', () => {
      const result = uut.parse(LayoutExamples.splitView);
      const master = uut.parse(LayoutExamples.splitView.splitView.master);
      const detail = uut.parse(LayoutExamples.splitView.splitView.detail);
      expect(result.type).toEqual('SplitView');
      expect(result.children[0]).toEqual(master);
      expect(result.children[1]).toEqual(detail);
    });
  });
  it('options for all containing types', () => {
    expect(uut.parse({
      component: {
        name: 'lol',
        options
      }
    }).data.options).toBe(options);
    expect(uut.parse({
      stack: {
        options
      }
    }).data.options).toBe(options);
    expect(uut.parse({
      bottomTabs: {
        options
      }
    }).data.options).toBe(options);
    expect(uut.parse({
      topTabs: {
        options
      }
    }).data.options).toBe(options);
    expect(uut.parse({
      sideMenu: {
        options,
        center: {
          component: {
            name: 'lool'
          }
        }
      }
    }).data.options).toBe(options);
    expect(uut.parse(LayoutExamples.splitView).data.options).toBe(optionsSplitView);
  });
  it('pass user provided id as is', () => {
    const component = {
      id: 'compId',
      name: 'loool'
    };
    expect(uut.parse({
      component
    }).id).toEqual('compId');
    expect(uut.parse({
      stack: {
        id: 'stackId'
      }
    }).id).toEqual('stackId');
    expect(uut.parse({
      stack: {
        children: [{
          component
        }]
      }
    }).children[0].id).toEqual('compId');
    expect(uut.parse({
      bottomTabs: {
        id: 'myId'
      }
    }).id).toEqual('myId');
    expect(uut.parse({
      bottomTabs: {
        children: [{
          component
        }]
      }
    }).children[0].id).toEqual('compId');
    expect(uut.parse({
      topTabs: {
        id: 'myId'
      }
    }).id).toEqual('myId');
    expect(uut.parse({
      topTabs: {
        children: [{
          component
        }]
      }
    }).children[0].id).toEqual('compId');
    expect(uut.parse({
      sideMenu: {
        id: 'myId',
        center: {
          component
        }
      }
    }).id).toEqual('myId');
  });
});

/* Layout Examples: */

const passProps = {
  strProp: 'string prop',
  numProp: 12345,
  objProp: {
    inner: {
      foo: 'bar'
    }
  },
  fnProp: () => 'Hello from a function'
};
const options = {
  topBar: {
    title: {
      text: 'Hello1'
    }
  }
};
const optionsSplitView = {
  topBar: {
    title: {
      text: 'Hello1'
    }
  },
  splitView: {
    displayMode: 'auto',
    primaryEdge: 'leading',
    minWidth: 150,
    maxWidth: 300,
    primaryBackgroundStyle: 'sidebar'
  }
};
const singleComponent = {
  component: {
    name: 'MyReactComponent',
    options,
    passProps
  }
};
const externalComponent = {
  externalComponent: {
    name: 'MyReactComponent',
    options,
    passProps
  }
};
const stackWithTopBar = {
  stack: {
    children: [{
      component: {
        name: 'MyReactComponent1'
      }
    }, {
      component: {
        name: 'MyReactComponent2',
        options
      }
    }],
    options
  }
};
const bottomTabs = {
  bottomTabs: {
    children: [stackWithTopBar, stackWithTopBar, {
      component: {
        name: 'MyReactComponent1'
      }
    }]
  }
};
const sideMenu = {
  sideMenu: {
    left: singleComponent,
    center: stackWithTopBar,
    right: singleComponent
  }
};
const topTabs = {
  topTabs: {
    children: [singleComponent, singleComponent, singleComponent, singleComponent, stackWithTopBar],
    options
  }
};
const complexLayout = {
  sideMenu: {
    left: singleComponent,
    center: {
      bottomTabs: {
        children: [stackWithTopBar, stackWithTopBar, {
          stack: {
            children: [singleComponent, singleComponent, singleComponent, singleComponent]
          }
        }]
      }
    }
  }
};
const splitView = {
  splitView: {
    master: {
      stack: {
        children: [singleComponent],
        options
      }
    },
    detail: stackWithTopBar,
    options: optionsSplitView
  }
};
const LayoutExamples = {
  passProps,
  options,
  singleComponent,
  stackWithTopBar,
  bottomTabs,
  sideMenu,
  topTabs,
  complexLayout,
  externalComponent,
  splitView
};
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