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

import * as azdata from 'azdata';
import { ObjectManagementDialogBase, ObjectManagementDialogOptions } from './objectManagementDialogBase';
import { IObjectManagementService } from 'mssql';
import * as localizedConstants from '../localizedConstants';
import { CreateDatabaseDocUrl } from '../constants';
import { Database, DatabaseViewInfo } from '../interfaces';

export class DatabaseDialog extends ObjectManagementDialogBase<Database, DatabaseViewInfo> {
	private _nameInput: azdata.InputBoxComponent;

	constructor(objectManagementService: IObjectManagementService, options: ObjectManagementDialogOptions) {
		super(objectManagementService, options);
	}

	protected override get helpUrl(): string {
		return CreateDatabaseDocUrl;
	}

	protected async initializeUI(): Promise<void> {
		let components = [];
		components.push(this.initializeGeneralSection());
		components.push(this.initializeOptionsSection());
		if (this.viewInfo.isAzureDB) {
			components.push(this.initializeConfigureSLOSection());
		}
		this.formContainer.addItems(components);
	}

	private initializeGeneralSection(): azdata.GroupContainer {
		let containers: azdata.Component[] = [];
		this._nameInput = this.createInputBox(localizedConstants.NameText, async () => {
			this.objectInfo.name = this._nameInput.value;
			await this.runValidation(false);
		});
		containers.push(this.createLabelInputContainer(localizedConstants.NameText, this._nameInput));

		if (this.viewInfo.loginNames?.length > 0) {
			this.objectInfo.owner = this.viewInfo.loginNames[0];
			let ownerDropbox = this.createDropdown(localizedConstants.OwnerText, async () => {
				this.objectInfo.owner = ownerDropbox.value as string;
			}, this.viewInfo.loginNames, this.viewInfo.loginNames[0]);
			containers.push(this.createLabelInputContainer(localizedConstants.OwnerText, ownerDropbox));
		}

		return this.createGroup(localizedConstants.GeneralSectionHeader, containers, false);
	}

	private initializeOptionsSection(): azdata.GroupContainer {
		let containers: azdata.Component[] = [];
		if (this.viewInfo.collationNames?.length > 0) {
			this.objectInfo.collationName = this.viewInfo.collationNames[0];
			let collationDropbox = this.createDropdown(localizedConstants.CollationText, async () => {
				this.objectInfo.collationName = collationDropbox.value as string;
			}, this.viewInfo.collationNames, this.viewInfo.collationNames[0]);
			containers.push(this.createLabelInputContainer(localizedConstants.CollationText, collationDropbox));
		}

		if (this.viewInfo.recoveryModels?.length > 0) {
			this.objectInfo.recoveryModel = this.viewInfo.recoveryModels[0];
			let recoveryDropbox = this.createDropdown(localizedConstants.RecoveryModelText, async () => {
				this.objectInfo.recoveryModel = recoveryDropbox.value as string;
			}, this.viewInfo.recoveryModels, this.viewInfo.recoveryModels[0]);
			containers.push(this.createLabelInputContainer(localizedConstants.RecoveryModelText, recoveryDropbox));
		}

		if (this.viewInfo.compatibilityLevels?.length > 0) {
			this.objectInfo.compatibilityLevel = this.viewInfo.compatibilityLevels[0];
			let compatibilityDropbox = this.createDropdown(localizedConstants.CompatibilityLevelText, async () => {
				this.objectInfo.compatibilityLevel = compatibilityDropbox.value as string;
			}, this.viewInfo.compatibilityLevels, this.viewInfo.compatibilityLevels[0]);
			containers.push(this.createLabelInputContainer(localizedConstants.CompatibilityLevelText, compatibilityDropbox));
		}

		if (this.viewInfo.containmentTypes?.length > 0) {
			this.objectInfo.containmentType = this.viewInfo.containmentTypes[0];
			let containmentDropbox = this.createDropdown(localizedConstants.ContainmentTypeText, async () => {
				this.objectInfo.containmentType = containmentDropbox.value as string;
			}, this.viewInfo.containmentTypes, this.viewInfo.containmentTypes[0]);
			containers.push(this.createLabelInputContainer(localizedConstants.ContainmentTypeText, containmentDropbox));
		}

		return this.createGroup(localizedConstants.OptionsSectionHeader, containers, true, true);
	}

	private initializeConfigureSLOSection(): azdata.GroupContainer {
		let containers: azdata.Component[] = [];
		if (this.viewInfo.azureEditions?.length > 0) {
			let defaultEdition = this.viewInfo.azureEditions[0];
			this.objectInfo.azureEdition = defaultEdition;

			// Service Level Objective options
			let sloDetails = this.viewInfo.azureServiceLevelObjectives?.find(details => details.editionDisplayName === defaultEdition);
			let serviceLevels = sloDetails?.details ?? [];
			this.objectInfo.azureServiceLevelObjective = serviceLevels[0];
			let serviceLevelDropbox = this.createDropdown(localizedConstants.CurrentSLOText, async () => {
				this.objectInfo.azureServiceLevelObjective = serviceLevelDropbox.value as string;
			}, serviceLevels, serviceLevels[0]);

			// Maximum Database Size options
			let sizeDetails = this.viewInfo.azureMaxSizes?.find(details => details.editionDisplayName === defaultEdition);
			let maxSizes = sizeDetails?.details ?? [];
			this.objectInfo.azureMaxSize = maxSizes[0];
			let sizeDropbox = this.createDropdown(localizedConstants.MaxSizeText, async () => {
				this.objectInfo.azureMaxSize = sizeDropbox.value as string;
			}, maxSizes, maxSizes[0]);

			// Azure Database Edition options
			let editionDropbox = this.createDropdown(localizedConstants.EditionText, async () => {
				let edition = editionDropbox.value as string;
				this.objectInfo.azureEdition = edition;

				// Update dropboxes for SLO and Size, since they're edition specific
				sloDetails = this.viewInfo.azureServiceLevelObjectives?.find(details => details.editionDisplayName === edition);
				serviceLevels = sloDetails?.details ?? [];
				serviceLevelDropbox.loading = true;
				await serviceLevelDropbox.updateProperties({ value: serviceLevels[0], values: serviceLevels });
				serviceLevelDropbox.loading = false;

				sizeDetails = this.viewInfo.azureMaxSizes?.find(details => details.editionDisplayName === edition);
				maxSizes = sizeDetails?.details ?? [];
				sizeDropbox.loading = true;
				await sizeDropbox.updateProperties({ value: maxSizes[0], values: maxSizes });
				sizeDropbox.loading = false;
			}, this.viewInfo.azureEditions, defaultEdition);

			containers.push(this.createLabelInputContainer(localizedConstants.EditionText, editionDropbox));
			containers.push(this.createLabelInputContainer(localizedConstants.CurrentSLOText, serviceLevelDropbox));
			containers.push(this.createLabelInputContainer(localizedConstants.MaxSizeText, sizeDropbox));
		}

		if (this.viewInfo.azureBackupRedundancyLevels?.length > 0) {
			let backupDropbox = this.createDropdown(localizedConstants.BackupRedundancyText, async () => {
				this.objectInfo.azureBackupRedundancyLevel = backupDropbox.value as string;
			}, this.viewInfo.azureBackupRedundancyLevels, this.viewInfo.azureBackupRedundancyLevels[0]);
			containers.push(this.createLabelInputContainer(localizedConstants.BackupRedundancyText, backupDropbox));
		}

		return this.createGroup(localizedConstants.ConfigureSLOSectionHeader, containers, true, true);
	}
}