import {
	SettingsContainer,
	SyncSettings,
} from "src/database/settings/settings.js";

import * as plugin from "../../../backend/sync_lib/pkg/sync_lib.js";

import createClient, { Client } from "openapi-fetch";
import type { components, paths } from "./types.js"; // generated by openapi-typescript
import { Logger } from "src/logger.js";
import { DocumentId, DocumentVersionId } from "src/database/database.js";

export class SyncServer {
	private static VAULT_ID = "default";
	private client: Client<paths>;

	public constructor(private settings: SettingsContainer) {
		this.createClient(settings.getSettings());
		settings.onChange((s) => this.createClient(s));
	}

	private createClient(settings: SyncSettings) {
		this.client = createClient<paths>({
			baseUrl: settings.remoteUri,
		});
	}

	public async create({
		relativePath,
		content,
		createdDate,
	}: {
		content: ArrayBuffer;
		relativePath: string;
		createdDate: Date;
	}): Promise<
		components["schemas"]["DocumentVersionWithoutContent"] | undefined
	> {
		let contentBytes = new Uint8Array(content);
		let response = await this.client.POST("/vaults/{vault_id}/documents", {
			params: {
				path: { vaultId: SyncServer.VAULT_ID },
				header: {
					authorization:
						"Bearer " + this.settings.getSettings().token,
				},
			},
			body: {
				contentBase64: plugin.bytes_to_base64(contentBytes),
				createdDate: createdDate.toISOString(),
				isBinary: plugin.is_binary(contentBytes),
				relativePath,
			},
		});

		Logger.getInstance().info(
			"Created document " + JSON.stringify(response.data)
		);

		return response.data;
	}

	public async update({
		documentId,
		parentVersionId,
		relativePath,
		content,
		createdDate,
	}: {
		documentId: DocumentId;
		parentVersionId: DocumentVersionId;
		relativePath: string;
		content: ArrayBuffer;
		createdDate: Date;
	}): Promise<
		components["schemas"]["DocumentVersionWithoutContent"] | undefined
	> {
		let contentBytes = new Uint8Array(content);

		let response = await this.client.PUT(
			"/vaults/{vault_id}/documents/{document_id}",
			{
				params: {
					path: {
						vaultId: SyncServer.VAULT_ID,
						documentId,
					},
					header: {
						authorization:
							"Bearer " + this.settings.getSettings().token,
					},
				},
				body: {
					parentVersionId,
					contentBase64: plugin.bytes_to_base64(contentBytes),
					createdDate: createdDate.toISOString(),
					isBinary: plugin.is_binary(contentBytes),
					relativePath,
				},
			}
		);

		Logger.getInstance().info(
			"Updated document " + JSON.stringify(response.data)
		);

		return response.data;
	}

	public async delete({
		documentId,
		createdDate,
	}: {
		documentId: DocumentId;
		createdDate: Date;
	}): Promise<void> {
		const response = await this.client.DELETE(
			"/vaults/{vault_id}/documents/{document_id}",
			{
				params: {
					path: {
						vaultId: SyncServer.VAULT_ID,
						documentId,
					},
					header: {
						authorization:
							"Bearer " + this.settings.getSettings().token,
					},
				},
				body: {
					createdDate: createdDate.toISOString(),
				},
			}
		);

		Logger.getInstance().info(
			"Updated document " + JSON.stringify(response.data)
		);

		return response.data;
	}

	public async get({
		documentId,
	}: {
		documentId: DocumentId;
	}): Promise<components["schemas"]["DocumentVersion"] | undefined> {
		const response = await this.client.GET(
			"/vaults/{vault_id}/documents/{document_id}",
			{
				params: {
					path: {
						vaultId: SyncServer.VAULT_ID,
						documentId,
					},
					header: {
						authorization:
							"Bearer " + this.settings.getSettings().token,
					},
				},
			}
		);

		Logger.getInstance().info(
			"Get document " + JSON.stringify(response.data)
		);

		return response.data;
	}

	public async getAll(): Promise<
		components["schemas"]["DocumentVersionWithoutContent"][] | undefined
	> {
		const response = await this.client.GET("/vaults/{vault_id}/documents", {
			params: {
				path: {
					vaultId: SyncServer.VAULT_ID,
				},
				header: {
					authorization:
						"Bearer " + this.settings.getSettings().token,
				},
			},
		});

		Logger.getInstance().info(
			"Get document " + JSON.stringify(response.data)
		);

		return response.data;
	}
}