import * as path from "path";

import { EmptyTree } from "@angular-devkit/schematics";
import {
    SchematicTestRunner,
    UnitTestTree,
} from "@angular-devkit/schematics/testing";

describe("Update 8.2.0", () => {
    let appTree: UnitTestTree;
    const schematicRunner = new SchematicTestRunner(
        "ig-migrate",
        path.join(__dirname, "../migration-collection.json")
    );
    const configJson = {
        projects: {
            testProj: {
                root: "/",
                sourceRoot: "/testSrc",
            },
        },
        schematics: {
            "@schematics/angular:component": {
                prefix: "appPrefix",
            },
        },
    };

    beforeEach(() => {
        appTree = new UnitTestTree(new EmptyTree());
        appTree.create("/angular.json", JSON.stringify(configJson));
    });

    it("should update Excel Style Filtering template selectors", async () => {
        appTree.create(
            "/testSrc/appPrefix/component/custom.component.html",
            `<igx-grid [data]="data" height="500px" [autoGenerate]="true" [allowFiltering]="true" [filterMode]="'excelStyleFilter'">
                <ng-template igxExcelStyleSortingTemplate><div class="esf-custom-sorting">Sorting Template</div></ng-template>
                <ng-template igxExcelStyleHidingTemplate><div class="esf-custom-hiding">Hiding Template</div></ng-template>
                <ng-template igxExcelStyleMovingTemplate><div class="esf-custom-moving">Moving Template</div></ng-template>
                <ng-template igxExcelStylePinningTemplate><div class="esf-custom-pinning">Pinning Template</div></ng-template>
            </igx-grid>`
        );

        const tree = await schematicRunner
            .runSchematicAsync("migration-10", {}, appTree)
            .toPromise();
        expect(
            tree.readContent(
                "/testSrc/appPrefix/component/custom.component.html"
            )
        ).toEqual(
            `<igx-grid [data]="data" height="500px" [autoGenerate]="true" [allowFiltering]="true" [filterMode]="'excelStyleFilter'">
                <ng-template igxExcelStyleSorting><div class="esf-custom-sorting">Sorting Template</div></ng-template>
                <ng-template igxExcelStyleHiding><div class="esf-custom-hiding">Hiding Template</div></ng-template>
                <ng-template igxExcelStyleMoving><div class="esf-custom-moving">Moving Template</div></ng-template>
                <ng-template igxExcelStylePinning><div class="esf-custom-pinning">Pinning Template</div></ng-template>
            </igx-grid>`
        );
    });

    it("should update igxDrag input bindings", async () => {
        appTree.create(
            "/testSrc/appPrefix/component/custom.component.html",
            `<div igxDrag [renderGhost]="true" [ghostImageClass]="'casper'" [dragGhostHost]="host">Drag me</div>`
        );
        const tree = await schematicRunner
            .runSchematicAsync("migration-10", {}, appTree)
            .toPromise();

        expect(
            tree.readContent(
                "/testSrc/appPrefix/component/custom.component.html"
            )
        ).toEqual(
            `<div igxDrag [ghost]="true" [ghostClass]="'casper'" [ghostHost]="host">Drag me</div>`
        );
    });

    it("should update igxDrag and igxDrop outputs bindings", async () => {
        appTree.create(
            "/testSrc/appPrefix/component/custom.component.html",
            `<div igxDrag (onGhostCreate)="ghostCreateHandler($event)"
                (onGhostDestroy)="ghostDestroyHandler($event)"
                (returnMoveEnd)="moveEndHandler($event)"
                (dragClicked)="clickHandler($event)">
                Drag me
            </div>
            <div igxDrop (onEnter)="enterHandler($event)" (onLeave)="leaveHandler($event)" (onDrop)="dropHandler($event)">drop area</div>
            `
        );

        const tree = await schematicRunner
            .runSchematicAsync("migration-10", {}, appTree)
            .toPromise();
        expect(
            tree.readContent(
                "/testSrc/appPrefix/component/custom.component.html"
            )
        ).toEqual(
            `<div igxDrag (ghostCreate)="ghostCreateHandler($event)"
                (ghostDestroy)="ghostDestroyHandler($event)"
                (transitioned)="moveEndHandler($event)"
                (click)="clickHandler($event)">
                Drag me
            </div>
            <div igxDrop (enter)="enterHandler($event)" (leave)="leaveHandler($event)" (dropped)="dropHandler($event)">drop area</div>
            `
        );
    });

    it("should update igxDrag and igxDrop event argument interfaces", async () => {
        appTree.create(
            "/testSrc/appPrefix/component/test.component.ts",
            `import { IgxDragDirective, IgxDropDirective, IgxDropEnterEventArgs,
                IgxDropLeaveEventArgs, IgxDropEventArgs } from 'igniteui-angular-sovn';

            export class DragDropSampleComponent {
                public onEnterHandler(event: IgxDropEnterEventArgs) {}
                public onLeaveHandler(event: IgxDropLeaveEventArgs) {}
                public onDropHandler(event: IgxDropEventArgs) {}
            }`
        );

        const tree = await schematicRunner
            .runSchematicAsync("migration-10", {}, appTree)
            .toPromise();
        // V.S. 18th May 2021: No longer leave duplicate imports in post-migration file
        expect(
            tree.readContent("/testSrc/appPrefix/component/test.component.ts")
        ).toEqual(
            `import { IgxDragDirective, IgxDropDirective, IDropBaseEventArgs,
                IDropDroppedEventArgs } from 'igniteui-angular-sovn';

            export class DragDropSampleComponent {
                public onEnterHandler(event: IDropBaseEventArgs) {}
                public onLeaveHandler(event: IDropBaseEventArgs) {}
                public onDropHandler(event: IDropDroppedEventArgs) {}
            }`
        );
    });
});