import { formParse, FormSubmitResult } from "@/components/form-submit";
import {
  FormAction,
  FormChoice,
  FormIf,
  FormInput,
  FormProvider,
  FormRow,
  FormTab,
  FormWrapper,
} from "@/components/form";
import { Input } from "@/components/ui/input";
import { Textarea } from "@/components/ui/textarea";
import {
  CurrencyInput,
  SlipUpload,
} from "../rubgram/admin/@modal/manual/client";
import Image from "@/components/image";
import PromptpayImage from "#/assets/promptpay.jpg";
import { DownloadButton } from "../rubgram/client";
import { QrCodeIcon, SendIcon } from "lucide-react";
import { Button } from "@/components/ui/button";
import { Spinner } from "@/components/ui/spinner";
import TruemoneyIcon from "#/assets/tmn.webp";
import z from "zod";
import { th } from "zod/v4/locales";
import Cropper from "@/components/cropper";
import { checkSlip } from "@/lib/payment";
import { db } from "@/lib/db";
import { donations, endgameSlips, submissions } from "@/lib/db/schema";
import { Checkbox } from "@/components/ui/checkbox";
import { uidRegex } from "@/lib/const";
import { getArtifactConfig } from "@/lib/api";
import { sse } from "@/lib/db/sse-endpoints";
import { fileToDataUrl } from "@/lib/utils";
import type { Metadata } from "next";
const { TMN_DEST_PHONE_NUM, SASTIFY_API_PRIVKEY } = process.env as Record<
  string,
  string
>;

export const metadata: Metadata = {
  title: "โดเนท",
};

type SastifyApiResponse =
  | {
      success: true;
      data: {
        amount: number;
        status: "SUCCESS";
      };
    }
  | {
      success: false;
      code?: string | number;
      message: string;
    };

z.config(th());

//#region Schema
const Schema = z
  .object({
    name: z.string().max(50, "ชื่อยาวสุด 50 ตัวอักษร").default("Anonymous"),
    message: z.string().max(500, "ข้อความยาวสุด 200 ตัวอักษร").default(""),
    amount: z.coerce
      .number("จำนวนต้องเป็นตัวเลข")
      .min(10, "โดเนทขั้นต่ำ 1 บาท")
      .max(10000, "โดเนทได้ไม่เกิน 1 หมื่นบาท"),
    image: z.file().optional(),
  })
  .and(
    z.discriminatedUnion("type", [
      z.object({
        type: z.literal("tmn").optional(),
        link: z.httpUrl(),
      }),
      z.object({
        type: z.literal("pp"),
        slip: z.file(),
      }),
    ]),
  )
  .and(
    z.discriminatedUnion("artifact", [
      z.object({
        artifact: z.literal("false").optional(),
      }),
      z.object({
        artifact: z.literal("true"),
        uid: z.string().regex(uidRegex, "รูปแบบ UID ไม่ถูกต้อง"),
      }),
    ]),
  );

export default async function () {
  //#region Server Data Load
  const artifactConfig = await getArtifactConfig();
  //#region Submit Handler
  async function submit(data: FormData): Promise<FormSubmitResult> {
    "use server";
    const { $, error } = formParse(Schema, data);
    if (error) return { error };

    return await db.transaction(async (tx): Promise<FormSubmitResult> => {
      if ($.type === "pp") {
        const arrayBuffer = await $.slip.arrayBuffer();
        const buffer = Buffer.from(arrayBuffer);
        const processed = await checkSlip(buffer, $.slip.type, $.amount);
        if (!processed.success)
          return {
            error: {
              where: "slip",
              what: `${processed.code}: ${processed.message}`,
            },
          };
        const [check] = await tx
          .insert(endgameSlips)
          .values({
            slip: buffer,
            amount: $.amount.toString(),
            data: processed,
            ref: processed.data.transRef,
          })
          .returning({ id: endgameSlips.id })
          .catch((e) => {
            console.log(e);
            return [{ id: "conflict" }];
          });
        if (check.id === "conflict")
          return { error: { where: "slip", what: "สลิปนี้ถูกใช้ไปแล้ว" } };
      } else {
        const res: SastifyApiResponse = await fetch(
          "https://api.sastify.xyz/v1/gateway/tmn",
          {
            method: "POST",
            headers: {
              authorization: `Bearer ${SASTIFY_API_PRIVKEY}`,
              "Content-Type": "application/json",
            },
            body: JSON.stringify({
              phone_number: TMN_DEST_PHONE_NUM,
              voucher_url: $.link,
            }),
            signal: AbortSignal.timeout(30_000),
          },
        )
          .then((r) => r.json())
          .catch((e) => e);
        if (!res.success)
          return { error: { where: "link", what: res.message } };
      }

      const { name, amount, message, image } = $;

      const [{ id }] = await tx
        .insert(donations)
        .values({
          name,
          amount,
          message,
          image: image ? Buffer.from(await image.arrayBuffer()) : undefined,
          uid: $.artifact === "true" ? $.uid : null,
          // dont send on screen if less than 10
          sent: $.amount < 10,
        })
        .returning({ id: donations.id });
      if ($.artifact === "true") {
        const res = await tx
          .insert(submissions)
          .values({
            name,
            comment: message,
            uid: $.uid,
            queue: null as unknown as undefined,
          })
          .catch(() => "conflict");
        if (res === "conflict") {
          tx.rollback();
          return { error: { where: "uid", what: "ไม่สามารถสร้างคิวลัดได้" } };
        }
      }
      if ($.amount >= 10)
        sse.donate.pub("ping", {
          id,
          name,
          amount,
          message,
          image: image ? await fileToDataUrl(image) : undefined,
        });

      return { toast: "ส่งเรียบร้อย", reset: true };
    });
  }

  //#region TSX
  return (
    <div className="flex items-center justify-center min-h-svh">
      <div className="p-5 bg-card border rounded-md w-full max-w-md">
        <FormProvider id="tip" inDialog={false} onSubmit={submit}>
          <FormRow>
            <FormInput name="image" className="h-full">
              <Cropper />
            </FormInput>
            <div className="grid gap-4 [&>label]:-mb-2 grow">
              <FormInput name="name" label="ชื่อ" subLabel="ไม่จำเป็น">
                <Input placeholder="Anonymous" />
              </FormInput>
              <FormInput
                name="amount"
                label="จำนวนโดเนท"
                subLabel="ขึ้นจอขั้นต่ำ 10 บาท"
              >
                <CurrencyInput placeholder="ขั้นต่ำ 1 บาท" />
              </FormInput>
            </div>
          </FormRow>
          <FormInput name="message" label="ข้อความ" subLabel="max. 500 ตัวอักษร">
            <Textarea placeholder="ข้อความ" />
          </FormInput>
          {!artifactConfig.locked && (
            <>
              <FormInput name="artifact">
                <FormWrapper className="flex gap-2 items-center">
                  <Checkbox />
                  ลัดคิวเสือกไอดีชาวบ้าน
                </FormWrapper>
              </FormInput>
              <FormIf artifact={true}>
                <FormInput name="uid" label="UID สำหรับเสือกไอดีชาวบ้าน">
                  <Input placeholder="814006303" />
                </FormInput>
              </FormIf>
            </>
          )}
          <FormTab
            label="วิธีการโอนเงิน"
            name="type"
            tabs={[
              {
                label: (
                  <span className="flex gap-1 items-center">
                    <Image
                      src={TruemoneyIcon}
                      alt="Truemoney"
                      className="w-12 h-6 object-cover"
                    />
                    TrueMoney
                  </span>
                ),
                value: "tmn",
              },
              {
                label: (
                  <span className="flex gap-1 items-center">
                    <QrCodeIcon className="size-6" />
                    PromptPay
                  </span>
                ),
                value: "pp",
              },
            ]}
          >
            <FormChoice value="tmn">
              <FormInput name="link" label="ลิ้งค์อั่งเปา">
                <Input placeholder="https://gift.truemoney.com/campaign/?v=..." />
              </FormInput>
            </FormChoice>
            <FormChoice value="pp">
              <div className="flex gap-2 w-full pb-2">
                <Image
                  src={PromptpayImage}
                  alt="Promptpay QR Code"
                  className="rounded max-w-32 shrink-0"
                />
                <div className="flex flex-col shrink-0 relative">
                  <span className="font-bold text-sm">บัญชีรับโดเนท</span>
                  <span className="text-sm text-muted-foreground">
                    ผู้รับ: นาย พัชรพล พลพันธุ์
                  </span>
                  <span className="text-sm text-muted-foreground">
                    บัญชี: xxx-x-x8666-x
                  </span>
                  <span className="text-sm text-muted-foreground">
                    เลขที่อ้างอิง: 004999056945438
                  </span>
                  <DownloadButton />
                </div>
              </div>
              <FormInput name="slip">
                <SlipUpload />
              </FormInput>
            </FormChoice>
          </FormTab>
          <div className="flex justify-end">
            <Button asChild>
              <FormAction
                disabled
                type="submit"
                loading={
                  <>
                    <Spinner />
                    Creating...
                  </>
                }
              >
                <SendIcon />
                ส่งเลยจัฟลูกพี่
              </FormAction>
            </Button>
          </div>
        </FormProvider>
      </div>
    </div>
  );
}