import { assign } from '@ember/polyfills';
import { moduleFor, RenderingTest, ApplicationTest } from '../../utils/test-case';
import { strip } from '../../utils/abstract-test-case';
import { set, Mixin } from 'ember-metal';
import { Component } from '../../utils/helpers';
import Controller from '@ember/controller';
import { Object as EmberObject } from 'ember-runtime';
import { Route } from 'ember-routing';

function expectSendActionDeprecation(fn) {
  expectDeprecation(
    fn,
    /You called (.*).sendAction\((.*)\) but Component#sendAction is deprecated. Please use closure actions instead./
  );
}

moduleFor(
  'Components test: sendAction',
  class extends RenderingTest {
    constructor() {
      super(...arguments);
      this.actionCounts = {};
      this.sendCount = 0;
      this.actionArguments = null;

      var self = this;

      this.registerComponent('action-delegate', {
        ComponentClass: Component.extend({
          init() {
            this._super();
            self.delegate = this;
            this.name = 'action-delegate';
          },
        }),
      });
    }

    renderDelegate(template = '{{action-delegate}}', context = {}) {
      let root = this;
      context = assign(context, {
        send(actionName, ...args) {
          root.sendCount++;
          root.actionCounts[actionName] = root.actionCounts[actionName] || 0;
          root.actionCounts[actionName]++;
          root.actionArguments = args;
        },
      });
      this.render(template, context);
    }

    assertSendCount(count) {
      this.assert.equal(this.sendCount, count, `Send was called ${count} time(s)`);
    }

    assertNamedSendCount(actionName, count) {
      this.assert.equal(
        this.actionCounts[actionName],
        count,
        `An action named '${actionName}' was sent ${count} times`
      );
    }

    assertSentWithArgs(expected, message = 'arguments were sent with the action') {
      this.assert.deepEqual(this.actionArguments, expected, message);
    }

    ['@test Calling sendAction on a component without an action defined does nothing']() {
      this.renderDelegate();

      expectSendActionDeprecation(() => {
        this.runTask(() => this.delegate.sendAction());
      });

      this.assertSendCount(0);
    }

    ['@test Calling sendAction on a component with an action defined calls send on the controller']() {
      this.renderDelegate();

      expectSendActionDeprecation(() => {
        this.runTask(() => {
          set(this.delegate, 'action', 'addItem');
          this.delegate.sendAction();
        });
      });

      this.assertSendCount(1);
      this.assertNamedSendCount('addItem', 1);
    }

    ['@test Calling sendAction on a component with a function calls the function']() {
      this.assert.expect(2);

      this.renderDelegate();

      expectSendActionDeprecation(() => {
        this.runTask(() => {
          set(this.delegate, 'action', () => this.assert.ok(true, 'function is called'));
          this.delegate.sendAction();
        });
      });
    }

    ['@test Calling sendAction on a component with a function calls the function with arguments']() {
      this.assert.expect(2);
      let argument = {};

      this.renderDelegate();
      expectSendActionDeprecation(() => {
        this.runTask(() => {
          set(this.delegate, 'action', actualArgument => {
            this.assert.deepEqual(argument, actualArgument, 'argument is passed');
          });
          this.delegate.sendAction('action', argument);
        });
      });
    }

    // TODO consolidate these next 2 tests
    ['@test Calling sendAction on a component with a reference attr calls the function with arguments']() {
      this.renderDelegate('{{action-delegate playing=playing}}', {
        playing: null,
      });

      expectSendActionDeprecation(() => {
        this.runTask(() => this.delegate.sendAction());
      });

      this.assertSendCount(0);

      this.runTask(() => {
        set(this.context, 'playing', 'didStartPlaying');
      });
      expectSendActionDeprecation(() => {
        this.runTask(() => {
          this.delegate.sendAction('playing');
        });
      });

      this.assertSendCount(1);
      this.assertNamedSendCount('didStartPlaying', 1);
    }

    ['@test Calling sendAction on a component with a {{mut}} attr calls the function with arguments']() {
      this.renderDelegate('{{action-delegate playing=(mut playing)}}', {
        playing: null,
      });

      expectSendActionDeprecation(() => {
        this.runTask(() => this.delegate.sendAction('playing'));
      });

      this.assertSendCount(0);

      this.runTask(() => this.delegate.attrs.playing.update('didStartPlaying'));
      expectSendActionDeprecation(() => {
        this.runTask(() => this.delegate.sendAction('playing'));
      });

      this.assertSendCount(1);
      this.assertNamedSendCount('didStartPlaying', 1);
    }

    ["@test Calling sendAction with a named action uses the component's property as the action name"]() {
      this.renderDelegate();

      let component = this.delegate;
      expectSendActionDeprecation(() => {
        this.runTask(() => {
          set(this.delegate, 'playing', 'didStartPlaying');
          component.sendAction('playing');
        });
      });

      this.assertSendCount(1);
      this.assertNamedSendCount('didStartPlaying', 1);

      expectSendActionDeprecation(() => {
        this.runTask(() => component.sendAction('playing'));
      });

      this.assertSendCount(2);
      this.assertNamedSendCount('didStartPlaying', 2);

      expectSendActionDeprecation(() => {
        this.runTask(() => {
          set(component, 'action', 'didDoSomeBusiness');
          component.sendAction();
        });
      });

      this.assertSendCount(3);
      this.assertNamedSendCount('didDoSomeBusiness', 1);
    }

    ['@test Calling sendAction when the action name is not a string raises an exception']() {
      this.renderDelegate();

      this.runTask(() => {
        set(this.delegate, 'action', {});
        set(this.delegate, 'playing', {});
      });
      expectSendActionDeprecation(() => {
        expectAssertion(() => this.delegate.sendAction());
      });
      expectSendActionDeprecation(() => {
        expectAssertion(() => this.delegate.sendAction('playing'));
      });
    }

    ['@test Calling sendAction on a component with contexts']() {
      this.renderDelegate();

      let testContext = { song: 'She Broke My Ember' };
      let firstContext = { song: 'She Broke My Ember' };
      let secondContext = { song: 'My Achey Breaky Ember' };

      expectSendActionDeprecation(() => {
        this.runTask(() => {
          set(this.delegate, 'playing', 'didStartPlaying');
          this.delegate.sendAction('playing', testContext);
        });
      });

      this.assertSendCount(1);
      this.assertNamedSendCount('didStartPlaying', 1);
      this.assertSentWithArgs([testContext], 'context was sent with the action');

      expectSendActionDeprecation(() => {
        this.runTask(() => {
          this.delegate.sendAction('playing', firstContext, secondContext);
        });
      });

      this.assertSendCount(2);
      this.assertNamedSendCount('didStartPlaying', 2);
      this.assertSentWithArgs(
        [firstContext, secondContext],
        'multiple contexts were sent to the action'
      );
    }

    ['@test calling sendAction on a component within a block sends to the outer scope GH#14216'](
      assert
    ) {
      let testContext = this;
      // overrides default action-delegate so actions can be added
      this.registerComponent('action-delegate', {
        ComponentClass: Component.extend({
          init() {
            this._super();
            testContext.delegate = this;
            this.name = 'action-delegate';
          },

          actions: {
            derp(arg1) {
              assert.ok(true, 'action called on action-delgate');
              assert.equal(arg1, 'something special', 'argument passed through properly');
            },
          },
        }),

        template: strip`
        {{#component-a}}
          {{component-b bar="derp"}}
        {{/component-a}}
      `,
      });

      this.registerComponent('component-a', {
        ComponentClass: Component.extend({
          init() {
            this._super(...arguments);
            this.name = 'component-a';
          },
          actions: {
            derp() {
              assert.ok(false, 'no! bad scoping!');
            },
          },
        }),
      });

      let innerChild;
      this.registerComponent('component-b', {
        ComponentClass: Component.extend({
          init() {
            this._super(...arguments);
            innerChild = this;
            this.name = 'component-b';
          },
        }),
      });

      this.renderDelegate();
      expectSendActionDeprecation(() => {
        this.runTask(() => innerChild.sendAction('bar', 'something special'));
      });
    }

    ['@test asserts if called on a destroyed component']() {
      let component;

      this.registerComponent('rip-alley', {
        ComponentClass: Component.extend({
          init() {
            this._super();
            component = this;
          },

          toString() {
            return 'component:rip-alley';
          },
        }),
      });

      this.render('{{#if shouldRender}}{{rip-alley}}{{/if}}', {
        shouldRender: true,
      });

      this.runTask(() => {
        set(this.context, 'shouldRender', false);
      });

      expectAssertion(() => {
        component.sendAction('trigger-me-dead');
      }, "Attempted to call .sendAction() with the action 'trigger-me-dead' on the destroyed object 'component:rip-alley'.");
    }
  }
);

moduleFor(
  'Components test: sendAction to a controller',
  class extends ApplicationTest {
    ["@test sendAction should trigger an action on the parent component's controller if it exists"](
      assert
    ) {
      assert.expect(20);

      let component;

      this.router.map(function() {
        this.route('a');
        this.route('b');
        this.route('c', function() {
          this.route('d');
          this.route('e');
        });
      });

      this.addComponent('foo-bar', {
        ComponentClass: Component.extend({
          init() {
            this._super(...arguments);
            component = this;
          },
        }),
        template: `{{val}}`,
      });

      this.add(
        'controller:a',
        Controller.extend({
          send(actionName, actionContext) {
            assert.equal(
              actionName,
              'poke',
              'send() method was invoked from a top level controller'
            );
            assert.equal(
              actionContext,
              'top',
              'action arguments were passed into the top level controller'
            );
          },
        })
      );
      this.addTemplate('a', '{{foo-bar val="a" poke="poke"}}');

      this.add(
        'route:b',
        Route.extend({
          actions: {
            poke(actionContext) {
              assert.ok(true, 'Unhandled action sent to route');
              assert.equal(actionContext, 'top no controller');
            },
          },
        })
      );
      this.addTemplate('b', '{{foo-bar val="b" poke="poke"}}');

      this.add(
        'route:c',
        Route.extend({
          actions: {
            poke(actionContext) {
              assert.ok(true, 'Unhandled action sent to route');
              assert.equal(actionContext, 'top with nested no controller');
            },
          },
        })
      );
      this.addTemplate('c', '{{foo-bar val="c" poke="poke"}}{{outlet}}');

      this.add('route:c.d', Route.extend({}));

      this.add(
        'controller:c.d',
        Controller.extend({
          send(actionName, actionContext) {
            assert.equal(actionName, 'poke', 'send() method was invoked from a nested controller');
            assert.equal(
              actionContext,
              'nested',
              'action arguments were passed into the nested controller'
            );
          },
        })
      );
      this.addTemplate('c.d', '{{foo-bar val=".d" poke="poke"}}');

      this.add(
        'route:c.e',
        Route.extend({
          actions: {
            poke(actionContext) {
              assert.ok(true, 'Unhandled action sent to route');
              assert.equal(actionContext, 'nested no controller');
            },
          },
        })
      );
      this.addTemplate('c.e', '{{foo-bar val=".e" poke="poke"}}');

      return this.visit('/a')
        .then(() => {
          expectSendActionDeprecation(() => component.sendAction('poke', 'top'));
        })
        .then(() => {
          this.assertText('a');
          return this.visit('/b');
        })
        .then(() => {
          expectSendActionDeprecation(() => component.sendAction('poke', 'top no controller'));
        })
        .then(() => {
          this.assertText('b');
          return this.visit('/c');
        })
        .then(() => {
          expectSendActionDeprecation(() => {
            component.sendAction('poke', 'top with nested no controller');
          });
        })
        .then(() => {
          this.assertText('c');
          return this.visit('/c/d');
        })
        .then(() => {
          expectSendActionDeprecation(() => component.sendAction('poke', 'nested'));
        })
        .then(() => {
          this.assertText('c.d');
          return this.visit('/c/e');
        })
        .then(() => {
          expectSendActionDeprecation(() => component.sendAction('poke', 'nested no controller'));
        })
        .then(() => this.assertText('c.e'));
    }

    ["@test sendAction should not trigger an action in an outlet's controller if a parent component handles it"](
      assert
    ) {
      assert.expect(2);

      let component;

      this.addComponent('x-parent', {
        ComponentClass: Component.extend({
          actions: {
            poke() {
              assert.ok(true, 'parent component handled the aciton');
            },
          },
        }),
        template: '{{x-child poke="poke"}}',
      });

      this.addComponent('x-child', {
        ComponentClass: Component.extend({
          init() {
            this._super(...arguments);
            component = this;
          },
        }),
      });

      this.addTemplate('application', '{{x-parent}}');
      this.add(
        'controller:application',
        Controller.extend({
          send() {
            throw new Error('controller action should not be called');
          },
        })
      );

      return this.visit('/').then(() => {
        expectSendActionDeprecation(() => component.sendAction('poke'));
      });
    }
  }
);

moduleFor(
  'Components test: sendAction of a closure action',
  class extends RenderingTest {
    ['@test action should be called'](assert) {
      assert.expect(2);
      let component;

      this.registerComponent('inner-component', {
        ComponentClass: Component.extend({
          init() {
            this._super(...arguments);
            component = this;
          },
        }),
        template: 'inner',
      });

      this.registerComponent('outer-component', {
        ComponentClass: Component.extend({
          outerSubmit() {
            assert.ok(true, 'outerSubmit called');
          },
        }),
        template: '{{inner-component submitAction=(action outerSubmit)}}',
      });

      this.render('{{outer-component}}');
      expectSendActionDeprecation(() => {
        this.runTask(() => component.sendAction('submitAction'));
      });
    }

    ['@test contexts passed to sendAction are appended to the bound arguments on a closure action']() {
      let first = 'mitch';
      let second = 'martin';
      let third = 'matt';
      let fourth = 'wacky wycats';

      let innerComponent;
      let actualArgs;

      this.registerComponent('inner-component', {
        ComponentClass: Component.extend({
          init() {
            this._super(...arguments);
            innerComponent = this;
          },
        }),
        template: 'inner',
      });

      this.registerComponent('outer-component', {
        ComponentClass: Component.extend({
          third,
          actions: {
            outerSubmit() {
              actualArgs = [...arguments];
            },
          },
        }),
        template: `{{inner-component innerSubmit=(action (action "outerSubmit" "${first}") "${second}" third)}}`,
      });

      this.render('{{outer-component}}');
      expectSendActionDeprecation(() => {
        this.runTask(() => innerComponent.sendAction('innerSubmit', fourth));
      });

      this.assert.deepEqual(
        actualArgs,
        [first, second, third, fourth],
        'action has the correct args'
      );
    }
  }
);

moduleFor(
  'Components test: send',
  class extends RenderingTest {
    ['@test sending to undefined actions triggers an error'](assert) {
      assert.expect(2);

      let component;

      this.registerComponent('foo-bar', {
        ComponentClass: Component.extend({
          init() {
            this._super();
            component = this;
          },
          actions: {
            foo(message) {
              assert.equal('bar', message);
            },
          },
        }),
      });

      this.render('{{foo-bar}}');

      this.runTask(() => component.send('foo', 'bar'));

      expectAssertion(() => {
        return component.send('baz', 'bar');
      }, /had no action handler for: baz/);
    }

    ['@test `send` will call send from a target if it is defined']() {
      let component;
      let target = {
        send: (message, payload) => {
          this.assert.equal('foo', message);
          this.assert.equal('baz', payload);
        },
      };

      this.registerComponent('foo-bar', {
        ComponentClass: Component.extend({
          init() {
            this._super();
            component = this;
          },
          target,
        }),
      });

      this.render('{{foo-bar}}');

      this.runTask(() => component.send('foo', 'baz'));
    }

    ['@test a handled action can be bubbled to the target for continued processing']() {
      this.assert.expect(2);

      let component;

      this.registerComponent('foo-bar', {
        ComponentClass: Component.extend({
          init() {
            this._super(...arguments);
            component = this;
          },
          actions: {
            poke: () => {
              this.assert.ok(true, 'component action called');
              return true;
            },
          },
          target: Controller.extend({
            actions: {
              poke: () => {
                this.assert.ok(true, 'action bubbled to controller');
              },
            },
          }).create(),
        }),
      });

      this.render('{{foo-bar poke="poke"}}');

      this.runTask(() => component.send('poke'));
    }

    ["@test action can be handled by a superclass' actions object"](assert) {
      this.assert.expect(4);

      let component;

      let SuperComponent = Component.extend({
        actions: {
          foo() {
            assert.ok(true, 'foo');
          },
          bar(msg) {
            assert.equal(msg, 'HELLO');
          },
        },
      });

      let BarViewMixin = Mixin.create({
        actions: {
          bar(msg) {
            assert.equal(msg, 'HELLO');
            this._super(msg);
          },
        },
      });

      this.registerComponent('x-index', {
        ComponentClass: SuperComponent.extend(BarViewMixin, {
          init() {
            this._super(...arguments);
            component = this;
          },
          actions: {
            baz() {
              assert.ok(true, 'baz');
            },
          },
        }),
      });

      this.render('{{x-index}}');

      this.runTask(() => {
        component.send('foo');
        component.send('bar', 'HELLO');
        component.send('baz');
      });
    }

    ['@test actions cannot be provided at create time'](assert) {
      this.registerComponent('foo-bar', Component.extend());
      let ComponentFactory = this.owner.factoryFor('component:foo-bar');

      expectAssertion(() => {
        ComponentFactory.create({
          actions: {
            foo() {
              assert.ok(true, 'foo');
            },
          },
        });
      }, /`actions` must be provided at extend time, not at create time/);
      // but should be OK on an object that doesn't mix in Ember.ActionHandler
      EmberObject.create({
        actions: ['foo'],
      });
    }

    ['@test asserts if called on a destroyed component']() {
      let component;

      this.registerComponent('rip-alley', {
        ComponentClass: Component.extend({
          init() {
            this._super();
            component = this;
          },

          toString() {
            return 'component:rip-alley';
          },
        }),
      });

      this.render('{{#if shouldRender}}{{rip-alley}}{{/if}}', {
        shouldRender: true,
      });

      this.runTask(() => {
        set(this.context, 'shouldRender', false);
      });

      expectAssertion(() => {
        component.send('trigger-me-dead');
      }, "Attempted to call .send() with the action 'trigger-me-dead' on the destroyed object 'component:rip-alley'.");
    }
  }
);