/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the Source EULA. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import type * as azdataType from 'azdata';
import * as vscode from 'vscode';
import * as path from 'path';
import { DialogBase } from './dialogBase';
import { IWorkspaceService } from '../common/interfaces';
import * as constants from '../common/constants';
import { IProjectType } from 'dataworkspace';
import { directoryExist } from '../common/utils';
import { IconPathHelper } from '../common/iconHelper';
import { defaultProjectSaveLocation } from '../common/projectLocationHelper';
import { TelemetryActions, TelemetryReporter, TelemetryViews } from '../common/telemetry';

class NewProjectDialogModel {
	projectTypeId: string = '';
	projectFileExtension: string = '';
	name: string = '';
	location: string = '';
}
export class NewProjectDialog extends DialogBase {
	public model: NewProjectDialogModel = new NewProjectDialogModel();

	constructor(private workspaceService: IWorkspaceService) {
		super(constants.NewProjectDialogTitle, 'NewProject', constants.CreateButtonText);

		// dialog launched from Welcome message button (only visible when no current workspace) vs. "add project" button
		TelemetryReporter.createActionEvent(TelemetryViews.NewProjectDialog, TelemetryActions.NewProjectDialogLaunched)
			.withAdditionalProperties({ isWorkspaceOpen: (vscode.workspace.workspaceFile !== undefined).toString() })
			.send();
	}

	async validate(): Promise<boolean> {
		if (await this.workspaceService.validateWorkspace() === false) {
			return false;
		}
		try {
			// the selected location should be an existing directory
			const parentDirectoryExists = await directoryExist(this.model.location);
			if (!parentDirectoryExists) {
				this.showErrorMessage(constants.ProjectParentDirectoryNotExistError(this.model.location));
				return false;
			}

			// there shouldn't be an existing sub directory with the same name as the project in the selected location
			const projectDirectoryExists = await directoryExist(path.join(this.model.location, this.model.name));
			if (projectDirectoryExists) {
				this.showErrorMessage(constants.ProjectDirectoryAlreadyExistError(this.model.name, this.model.location));
				return false;
			}

			return true;
		}
		catch (err) {
			this.showErrorMessage(err?.message ? err.message : err);
			return false;
		}
	}

	override async onComplete(): Promise<void> {
		try {

			TelemetryReporter.createActionEvent(TelemetryViews.NewProjectDialog, TelemetryActions.NewProjectDialogCompleted)
				.withAdditionalProperties({ projectFileExtension: this.model.projectFileExtension, projectTemplateId: this.model.projectTypeId })
				.send();

			await this.workspaceService.createProject(this.model.name, vscode.Uri.file(this.model.location), this.model.projectTypeId);
		}
		catch (err) {

			TelemetryReporter.createErrorEvent(TelemetryViews.NewProjectDialog, TelemetryActions.NewProjectDialogCompleted)
				.withAdditionalProperties({ projectFileExtension: this.model.projectFileExtension, projectTemplateId: this.model.projectTypeId, error: err?.message ? err.message : err })
				.send();

			vscode.window.showErrorMessage(err?.message ? err.message : err);
		}
	}

	protected async initialize(view: azdataType.ModelView): Promise<void> {
		const allProjectTypes = await this.workspaceService.getAllProjectTypes();
		const projectTypeRadioCardGroup = view.modelBuilder.radioCardGroup().withProperties<azdataType.RadioCardGroupComponentProperties>({
			cards: allProjectTypes.map((projectType: IProjectType) => {
				return <azdataType.RadioCard>{
					id: projectType.id,
					label: projectType.displayName,
					icon: projectType.icon,
					descriptions: [
						{
							textValue: projectType.displayName,
							textStyles: {
								'font-size': '13px',
								'font-weight': 'bold'
							}
						}, {
							textValue: projectType.description
						}
					]
				};
			}),
			iconHeight: '75px',
			iconWidth: '75px',
			cardWidth: '170px',
			cardHeight: '170px',
			ariaLabel: constants.TypeTitle,
			width: '500px',
			iconPosition: 'top',
			selectedCardId: allProjectTypes.length > 0 ? allProjectTypes[0].id : undefined
		}).component();

		this.register(projectTypeRadioCardGroup.onSelectionChanged((e) => {
			this.model.projectTypeId = e.cardId;
		}));

		const projectNameTextBox = view.modelBuilder.inputBox().withProperties<azdataType.InputBoxProperties>({
			ariaLabel: constants.ProjectNameTitle,
			placeHolder: constants.ProjectNamePlaceholder,
			required: true,
			width: constants.DefaultInputWidth
		}).component();

		this.register(projectNameTextBox.onTextChanged(() => {
			this.model.name = projectNameTextBox.value!;
			projectNameTextBox.updateProperty('title', projectNameTextBox.value);
		}));

		const locationTextBox = view.modelBuilder.inputBox().withProperties<azdataType.InputBoxProperties>({
			ariaLabel: constants.ProjectLocationTitle,
			placeHolder: constants.ProjectLocationPlaceholder,
			required: true,
			width: constants.DefaultInputWidth
		}).component();

		this.register(locationTextBox.onTextChanged(() => {
			this.model.location = locationTextBox.value!;
			locationTextBox.updateProperty('title', locationTextBox.value);
		}));

		const browseFolderButton = view.modelBuilder.button().withProperties<azdataType.ButtonProperties>({
			ariaLabel: constants.BrowseButtonText,
			iconPath: IconPathHelper.folder,
			height: '16px',
			width: '18px'
		}).component();
		this.register(browseFolderButton.onDidClick(async () => {
			let folderUris = await vscode.window.showOpenDialog({
				canSelectFiles: false,
				canSelectFolders: true,
				canSelectMany: false,
				defaultUri: defaultProjectSaveLocation()
			});
			if (!folderUris || folderUris.length === 0) {
				return;
			}
			const selectedFolder = folderUris[0].fsPath;
			locationTextBox.value = selectedFolder;
			this.model.location = selectedFolder;
		}));

		const form = view.modelBuilder.formContainer().withFormItems([
			{
				title: constants.TypeTitle,
				required: true,
				component: projectTypeRadioCardGroup
			},
			{
				title: constants.ProjectNameTitle,
				required: true,
				component: this.createHorizontalContainer(view, [projectNameTextBox])
			}, {
				title: constants.ProjectLocationTitle,
				required: true,
				component: this.createHorizontalContainer(view, [locationTextBox, browseFolderButton])
			}
		]).component();
		await view.initializeModel(form);
		this.initDialogComplete?.resolve();
	}
}