import nodemailer from "nodemailer"

import { FastifyInstance } from "fastify";
import {sendMailAsUser} from "../utils/emailengine";
import {encrypt, decrypt} from "../utils/crypt"
import {secrets} from "../utils/secrets";
export default async function emailAsUserRoutes(server: FastifyInstance) {

    // Create E-Mail Account
    server.post("/email/accounts/:id?", async (req, reply) => {
        if (!req.user?.tenant_id) {
            return reply.code(400).send({ error: "No tenant selected" });
        }

        const body = req.body as {
            email: string
            password: string
            smtp_host: string
            smtp_port: number
            smtp_ssl: boolean
            imap_host: string
            imap_port: number
            imap_ssl: boolean
        };

        if(req.params.id) {
            //SAVE Existing
            let saveData = {
                email_encrypted: body.email ? encrypt(body.email) : undefined,
                password_encrypted: body.password ? encrypt(body.password) : undefined,
                smtp_host_encrypted: body.smtp_host ? encrypt(body.smtp_host) : undefined,
                smtp_port: body.smtp_port,
                smtp_ssl: body.smtp_ssl,
                imap_host_encrypted: body.imap_host ? encrypt(body.imap_host) : undefined,
                imap_port: body.imap_port,
                imap_ssl: body.imap_ssl,
            }


            const { data, error } = await server.supabase
                .from("user_credentials")
                .update(saveData)
                .eq("id", req.params.id)
                .select("*")
                .single();

            if (error) {
                return reply.code(400).send({ error: error.message });
            } else {
                return reply.send({success: true})
            }
        } else {
            //Create New
            let createData = {
                user_id: req.user.user_id,
                email_encrypted: encrypt(body.email),
                password_encrypted: encrypt(body.password),
                tenant_id: req.user.tenant_id,
                smtp_host_encrypted: encrypt(body.smtp_host),
                smtp_port: body.smtp_port,
                smtp_ssl: body.smtp_ssl,
                type: "mail",
                imap_host_encrypted: encrypt(body.imap_host),
                imap_port: body.imap_port,
                imap_ssl: body.imap_ssl,
            }


            const { data, error } = await server.supabase
                .from("user_credentials")
                .insert(createData)
                .select("*")
                .single();

            if (error) {
                return reply.code(400).send({ error: error.message });
            } else {
                return reply.send({success: true})
            }
        }



    });

    server.get("/email/accounts/:id?", async (req, reply) => {
        if (!req.user?.tenant_id) {
            return reply.code(400).send({ error: "No tenant selected" });
        }

        const { id } = req.params as { id: string };

        if(id) {
            let returnData = {}
            // @ts-ignore
            const { data, error } = await server.supabase
                .from("user_credentials")
                .select("id, email_encrypted, smtp_host_encrypted, smtp_port, smtp_ssl, imap_host_encrypted, imap_port, imap_ssl, user_id, tenant_id")
                .eq("id", id)
                .eq("tenant_id", req.user.tenant_id)
                .eq("type", "mail")
                .single();

            if (error || !data) {
                return reply.code(404).send({ error: "Not found" });
            } else {
                Object.keys(data).forEach((key) => {
                    if(key.includes("encrypted")){
                        returnData[key.substring(0,key.length-10)] = decrypt(data[key])
                    } else {
                        returnData[key] = data[key]
                    }
                })
            }

            return returnData;
        } else {

            const { data, error } = await server.supabase
                .from("user_credentials")
                .select("id, email_encrypted, user_id, tenant_id")
                .eq("tenant_id", req.user.tenant_id)
                .eq("type", "mail")

            let accounts = []
            data.forEach(item => {
                let temp = {}
                Object.keys(item).forEach((key) => {
                    if(key.includes("encrypted")){
                        temp[key.substring(0,key.length-10)] = decrypt(item[key])
                    } else {
                        temp[key] = item[key]
                    }
                })
                accounts.push(temp)
            })



            return accounts
        }
    });

    server.post("/email/send", async (req, reply) => {
        const body = req.body as {
            to: string
            cc?: string
            bcc?: string
            subject?: string
            text?: string
            html?: string
            attachments?: any,
            account: string
        }

        try {

            let accountData = {} as {
                email: string
                password: string
                smtp_host: string
                smtp_port: number
                smtp_ssl: boolean
            }
            // @ts-ignore
            const { data, error } = await server.supabase
                .from("user_credentials")
                .select("id, email_encrypted,password_encrypted, smtp_host_encrypted, smtp_port, smtp_ssl, user_id, tenant_id")
                .eq("id", body.account)
                .eq("tenant_id", req.user.tenant_id)
                .eq("type", "mail")
                .single();

            if (error || !data) {
                return reply.code(404).send({ error: "Not found" });
            } else {
                Object.keys(data).forEach((key) => {
                    if(key.includes("encrypted")){
                        accountData[key.substring(0,key.length-10)] = decrypt(data[key])
                    } else {
                        accountData[key] = data[key]
                    }
                })
            }


            const transporter = nodemailer.createTransport({
                host: accountData.smtp_host,
                port: accountData.smtp_port,
                secure: accountData.smtp_ssl,
                auth: {
                    user: accountData.email,
                    pass: accountData.password,
                },
            })

            const info = await transporter.sendMail({
                from: accountData.email,
                to: body.to,
                cc: body.cc ? body.cc : undefined,
                bcc: body.bcc ? body.bcc : undefined,
                subject: body.subject,
                html: body.html ? body.html : undefined,
                text: body.text,
                attachments: body.attachments ? body.attachments : undefined,
            })


            if(info.response.includes("OK")){
                reply.send({success: true})
            }{
                reply.status(500)
            }


        } catch (err) {
            reply.code(500).send({ error: "Failed to send E-Mail as User" })
        }
    })


}