import { Response, Request } from "express";
import { Controller, Delete, Get, Post } from "@ControllerPattern/index";
import ApiController from "@Common/system/controller-pattern/ApiController";
import { Service } from "typedi";
import FilesService from "@Services/common/FilesService/FilesService";
import { Prisma } from "@prisma/client";
import { File } from "le-coffre-resources/dist/Customer";
import { Document } from "le-coffre-resources/dist/Customer";
import DocumentsService from "@Services/customer/DocumentsService/DocumentsService";
import authHandler from "@App/middlewares/AuthHandler";
import fileHandler from "@App/middlewares/CustomerHandler/FileHandler";
import NotificationBuilder from "@Common/notifications/NotificationBuilder";
import { validateOrReject } from "class-validator";

@Controller()
@Service()
export default class FilesController extends ApiController {
	constructor(
		private filesService: FilesService,
		private documentService: DocumentsService,
		private notificationBuilder: NotificationBuilder,
	) {
		super();
	}

	/**
	 * @description Get all Files
	 * @returns File[] list of Files
	 */
	@Get("/api/v1/customer/files", [authHandler])
	protected async get(req: Request, response: Response) {
		try {
			//get query
			let query: Prisma.FilesFindManyArgs = {};
			if (req.query["q"]) {
				query = JSON.parse(req.query["q"] as string);
				if (query.where?.uid) {
					this.httpBadRequest(response, "You can't filter by uid");
					return;
				}
			}
			const email: string = req.body.user.email;
			if (!email) {
				this.httpBadRequest(response, "Missing customer email");
				return;
			}
			if (query.where?.document?.depositor) delete query.where.document.depositor;
			const customerWhereInput: Prisma.FilesWhereInput = { ...query.where, document: { depositor: { contact: { email: email } } } };
			query.where = customerWhereInput;
			if (query.include?.document) delete query.include.document;

			//call service to get prisma entity
			const fileEntities = await this.filesService.get(query);

			//Hydrate ressource with prisma entity
			const files = File.hydrateArray<File>(fileEntities, { strategy: "excludeAll" });

			//success
			this.httpSuccess(response, files);
		} catch (error) {
			this.httpBadRequest(response, error);
			return;
		}
	}

	/**
	 * @description Get a specific File by uid
	 */
	@Get("/api/v1/customer/files/download/:uid", [authHandler, fileHandler])
	protected async download(req: Request, response: Response) {
		const uid = req.params["uid"];
		if (!uid) {
			this.httpBadRequest(response, "uid not found");
			return;
		}
		try {
			const fileInfo = await this.filesService.download(uid);

			if (!fileInfo) {
				this.httpNotFoundRequest(response, "file not found");
				return;
			}

			response.setHeader("Content-Type", fileInfo.file.mimetype);
			response.setHeader("Content-Disposition", `inline; filename=${encodeURIComponent(fileInfo.file.file_name)}`);

			this.httpSuccess(response, fileInfo.buffer);
		} catch (error) {
			this.httpInternalError(response, error);
			return;
		}
	}

	/**
	 * @description Create a new File
	 * @returns File created
	 */
	@Post("/api/v1/customer/files", [authHandler, fileHandler])
	protected async post(req: Request, response: Response) {
		try {
			//get file
			if (!req.file) throw new Error("No file provided");

			//init File resource with request body values
			const fileEntity = File.hydrate<File>(JSON.parse(req.body["q"]));

			//validate File
			try {
				await validateOrReject(fileEntity, { groups: ["createFile"] });
			} catch (error) {
				this.httpBadRequest(response, error);
				return;
			}

			//call service to get prisma entity
			const fileEntityCreated = await this.filesService.create(fileEntity, req.file);

			const document = await this.documentService.getByUid(fileEntity.document!.uid!);

			const documentToUpdate = Document.hydrate<Document>(document!);

			documentToUpdate!.document_status = "DEPOSITED";
			const documentUpdated = await this.documentService.update(document!.uid!, documentToUpdate);
			await this.notificationBuilder.sendDocumentDepositedNotification(documentUpdated!);

			//Hydrate ressource with prisma entity
			const fileEntityHydrated = File.hydrate<File>(fileEntityCreated, {
				strategy: "excludeAll",
			});

			//success
			this.httpCreated(response, fileEntityHydrated);
		} catch (error) {
			this.httpBadRequest(response, error);
			return;
		}
	}

	/**
	 * @description Delete a specific File
	 */
	@Delete("/api/v1/customer/files/:uid", [authHandler, fileHandler])
	protected async delete(req: Request, response: Response) {
		try {
			const uid = req.params["uid"];
			if (!uid) {
				this.httpBadRequest(response, "No uid provided");
				return;
			}

			const fileFound = await this.filesService.getByUid(uid, { document: { include: { files: true, document_type: true } } });

			if (!fileFound) {
				this.httpNotFoundRequest(response, "file not found");
				return;
			}

			const fileFoundEntity = File.hydrate<File>(fileFound, { strategy: "excludeAll" });

			//call service to get prisma entity
			const fileEntity = await this.filesService.deleteKeyAndArchive(uid);
			if (
				!(fileFoundEntity.document!.files?.find((file) => file.archived_at === null && file.uid !== uid)) &&
				fileFoundEntity.document!.document_type!.name === "Autres documents"
			) {
				await this.documentService.delete(fileFoundEntity.document!.uid!);
			}

			//Hydrate ressource with prisma entity
			const file = File.hydrate<File>(fileEntity, { strategy: "excludeAll" });

			//success
			this.httpSuccess(response, file);
		} catch (error) {
			this.httpInternalError(response, error);
			return;
		}
	}

	/**
	 * @description Get a specific File by uid
	 */
	@Get("/api/v1/customer/files/:uid", [authHandler, fileHandler])
	protected async getOneByUid(req: Request, response: Response) {
		try {
			const uid = req.params["uid"];
			if (!uid) {
				this.httpBadRequest(response, "No uid provided");
				return;
			}
			//get query
			let query;
			if (req.query["q"]) {
				query = JSON.parse(req.query["q"] as string);
				if (query.document) delete query.document;
			}

			const fileEntity = await this.filesService.getByUid(uid, query);

			if (!fileEntity) {
				this.httpNotFoundRequest(response, "file not found");
				return;
			}

			//Hydrate ressource with prisma entity
			const file = File.hydrate<File>(fileEntity, { strategy: "excludeAll" });

			//success
			this.httpSuccess(response, file);
		} catch (error) {
			this.httpInternalError(response, error);
			return;
		}
	}
}