import React from 'react';
import { mount } from 'enzyme';
import { ContactStore, Contact } from 'nylas-exports';

import { ParticipantsTextField } from 'nylas-component-kit';

const participant1 = new Contact({
  id: 'local-1',
  email: 'ben@nylas.com',
});
const participant2 = new Contact({
  id: 'local-2',
  email: 'ben@example.com',
  name: 'Ben Gotow',
});
const participant3 = new Contact({
  id: 'local-3',
  email: 'evan@nylas.com',
  name: 'Evan Morikawa',
});

describe('ParticipantsTextField', function ParticipantsTextFieldSpecs() {
  beforeEach(() => {
    spyOn(NylasEnv, "isMainWindow").andReturn(true)
    this.propChange = jasmine.createSpy('change')

    this.fieldName = 'to';
    this.participants = {
      to: [participant1, participant2],
      cc: [participant3],
      bcc: [],
    };

    this.renderedField = mount(
      <ParticipantsTextField
        field={this.fieldName}
        visible
        participants={this.participants}
        draft={{clientId: 'draft-1'}}
        session={{}}
        change={this.propChange}
      />
    )
    this.renderedInput = this.renderedField.find('input')

    this.expectInputToYield = (input, expected) => {
      const reviver = function reviver(k, v) {
        if (k === "id" || k === "client_id" || k === "server_id" || k === "object") { return undefined; }
        return v;
      };
      runs(() => {
        this.renderedInput.simulate('change', {target: {value: input}});
        advanceClock(100);
        return this.renderedInput.simulate('keyDown', {key: 'Enter', keyCode: 9});
      });
      waitsFor(() => {
        return this.propChange.calls.length > 0;
      });
      runs(() => {
        let found = this.propChange.mostRecentCall.args[0];
        found = JSON.parse(JSON.stringify(found), reviver);
        expect(found).toEqual(JSON.parse(JSON.stringify(expected), reviver));

        // This advance clock needs to be here because our waitsFor latch
        // catches the first time that propChange gets called. More stuff
        // may happen after this and we need to advance the clock to
        // "clear" all of that. If we don't do this it throws errors about
        // `setState` being called on unmounted components :(
        return advanceClock(100);
      });
    };
  });

  it('renders into the document', () => {
    expect(this.renderedField.find(ParticipantsTextField).length).toBe(1)
  });

  describe("inserting participant text", () => {
    it("should fire onChange with an updated participants hash", () => {
      this.expectInputToYield('abc@abc.com', {
        to: [participant1, participant2, new Contact({name: 'abc@abc.com', email: 'abc@abc.com'})],
        cc: [participant3],
        bcc: [],
      });
    });

    it("should remove added participants from other fields", () => {
      this.expectInputToYield(participant3.email, {
        to: [participant1, participant2, new Contact({name: participant3.email, email: participant3.email})],
        cc: [],
        bcc: [],
      });
    });

    it("should use the name of an existing contact in the ContactStore if possible", () => {
      spyOn(ContactStore, 'searchContacts').andCallFake((val) => {
        if (val === participant3.name) {
          return Promise.resolve([participant3]);
        }
        return Promise.resolve([]);
      });

      this.expectInputToYield(participant3.name, {
        to: [participant1, participant2, participant3],
        cc: [],
        bcc: [],
      });
    });

    it("should use the plain email if that's what's entered", () => {
      spyOn(ContactStore, 'searchContacts').andCallFake((val) => {
        if (val === participant3.name) {
          return Promise.resolve([participant3]);
        }
        return Promise.resolve([]);
      });

      this.expectInputToYield(participant3.email, {
        to: [participant1, participant2, new Contact({email: "evan@nylas.com"})],
        cc: [],
        bcc: [],
      });
    });

    it("should not have the same contact auto-picked multiple times", () => {
      spyOn(ContactStore, 'searchContacts').andCallFake((val) => {
        if (val === participant2.name) {
          return Promise.resolve([participant2]);
        }
        return Promise.resolve([])
      });

      this.expectInputToYield(participant2.name, {
        to: [participant1, participant2, new Contact({email: participant2.name, name: participant2.name})],
        cc: [participant3],
        bcc: [],
      });
    });

    describe("when text contains Name (Email) formatted data", () => {
      it("should correctly parse it into named Contact objects", () => {
        const newContact1 = new Contact({id: "b1", name: 'Ben Imposter', email: 'imposter@nylas.com'});
        const newContact2 = new Contact({name: 'Nylas Team', email: 'feedback@nylas.com'});

        const inputs = [
          "Ben Imposter <imposter@nylas.com>, Nylas Team <feedback@nylas.com>",
          "\n\nbla\nBen Imposter (imposter@nylas.com), Nylas Team (feedback@nylas.com)",
          "Hello world! I like cheese. \rBen Imposter (imposter@nylas.com)\nNylas Team (feedback@nylas.com)",
          "Ben Imposter<imposter@nylas.com>Nylas Team (feedback@nylas.com)",
        ];

        for (const input of inputs) {
          this.expectInputToYield(input, {
            to: [participant1, participant2, newContact1, newContact2],
            cc: [participant3],
            bcc: [],
          });
        }
      });
    });

    describe("when text contains emails mixed with garbage text", () => {
      it("should still parse out emails into Contact objects", () => {
        const newContact1 = new Contact({id: 'gm', name: 'garbage-man@nylas.com', email: 'garbage-man@nylas.com'});
        const newContact2 = new Contact({id: 'rm', name: 'recycling-guy@nylas.com', email: 'recycling-guy@nylas.com'});

        const inputs = [
          "Hello world I real. \n asd. garbage-man@nylas.com—he's cool Also 'recycling-guy@nylas.com'!",
          "garbage-man@nylas.com1WHOA I REALLY HATE DATA,recycling-guy@nylas.com",
          "nils.com garbage-man@nylas.com @nylas.com nope@.com nope! recycling-guy@nylas.com HOLLA AT recycling-guy@nylas.",
        ];

        for (const input of inputs) {
          this.expectInputToYield(input, {
            to: [participant1, participant2, newContact1, newContact2],
            cc: [participant3],
            bcc: [],
          });
        }
      });
    });
  });
});