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

describe("Update 10.1.0", () => {
    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 upgrade the igx-action-icon to igx-navbar-action", async () => {
        appTree.create(
            "/testSrc/appPrefix/component/custom.component.html",
            `<igx-navbar title="Test title">
            <igx-action-icon>
            <igx-icon>arrow_back</igx-icon>
            </igx-action-icon>
            </igx-navbar>`
        );
        const tree = await schematicRunner
            .runSchematicAsync("migration-16", {}, appTree)
            .toPromise();

        expect(
            tree.readContent(
                "/testSrc/appPrefix/component/custom.component.html"
            )
        ).toEqual(
            `<igx-navbar title="Test title">
            <igx-navbar-action>
            <igx-icon>arrow_back</igx-icon>
            </igx-navbar-action>
            </igx-navbar>`
        );
    });

    it("should update IgxActionIconDirective to IgxNavbarActionDirective", async () => {
        appTree.create(
            "/testSrc/appPrefix/component/custom.component.ts",
            `import { IgxActionIconDirective } from 'igniteui-angular-sovn';
            export class TestNavbar {
            @ViewChild(IgxActionIconDirective, { read: IgxActionIconDirective })
            private actionIcon: IgxActionIconDirective; }`
        );

        const tree = await schematicRunner
            .runSchematicAsync("migration-16", {}, appTree)
            .toPromise();

        expect(
            tree.readContent("/testSrc/appPrefix/component/custom.component.ts")
        ).toEqual(
            `import { IgxNavbarActionDirective } from 'igniteui-angular-sovn';
            export class TestNavbar {
            @ViewChild(IgxNavbarActionDirective, { read: IgxNavbarActionDirective })
            private actionIcon: IgxNavbarActionDirective; }`
        );
    });

    it("should update DropPosition.None", async () => {
        const origFileContent =
            `import { Component, Injectable, ViewChild } from "@angular/core";` +
            `import { IgxGridComponent, DropPosition } from "igniteui-angular-sovn";` +
            `import { IgxColumnComponent } from "igniteui-angular-sovn";\r\n` +
            `@Component({` +
            `    providers: [RemoteService]` +
            `})` +
            `export class GridSampleComponent {` +
            `    @ViewChild("grid1", { read: IgxGridComponent }) public grid1: IgxGridComponent;` +
            `    public move() {` +
            `        const column: IgxColumnComponent = this.grid1.columns[0];` +
            `        const column2: IgxColumnComponent = this.grid1.columns[1];` +
            `        this.grid1.moveColumn(col1, col2, DropPosition.None);` +
            `    }` +
            `}`;
        const expectedFileContent =
            `import { Component, Injectable, ViewChild } from "@angular/core";` +
            `import { IgxGridComponent, DropPosition } from "igniteui-angular-sovn";` +
            `import { IgxColumnComponent } from "igniteui-angular-sovn";\r\n` +
            `@Component({` +
            `    providers: [RemoteService]` +
            `})` +
            `export class GridSampleComponent {` +
            `    @ViewChild("grid1", { read: IgxGridComponent }) public grid1: IgxGridComponent;` +
            `    public move() {` +
            `        const column: IgxColumnComponent = this.grid1.columns[0];` +
            `        const column2: IgxColumnComponent = this.grid1.columns[1];` +
            `        this.grid1.moveColumn(col1, col2, DropPosition.AfterDropTarget);` +
            `    }` +
            `}`;
        appTree.create(
            "/testSrc/appPrefix/component/drop.component.ts",
            origFileContent
        );

        const tree = await schematicRunner
            .runSchematicAsync("migration-16", {}, appTree)
            .toPromise();
        expect(
            tree.readContent("/testSrc/appPrefix/component/drop.component.ts")
        ).toEqual(expectedFileContent);
    });

    it("should replace onDataPreLoad with onScroll ", async () => {
        appTree.create(
            `/testSrc/appPrefix/component/tree-grid.component.html`,
            '<igx-tree-grid (onDataPreLoad)="handleEvent($event)"></igx-tree-grid>'
        );

        const tree = await schematicRunner
            .runSchematicAsync("migration-16", {}, appTree)
            .toPromise();

        expect(
            tree.readContent(
                "/testSrc/appPrefix/component/tree-grid.component.html"
            )
        ).toEqual(
            '<igx-tree-grid (onScroll)="handleEvent($event)"></igx-tree-grid>'
        );
    });
});