"use client";

import React, { useState, useEffect } from "react";
import { useRouter } from "next/navigation";
import { Toast } from "antd-mobile";
import { generateSignature } from "@/utils/crypto";
import webviewBaseRequest from "@/utils/webviewBaseRequest";

export default function Pay() {
  const router = useRouter();

  //商品列表
  const [productList, setProductList] = useState([]);

  //选择的价格档位
  const [selectedPrice, setSelectedPrice] = useState({});

  //选择任意金额充值
  const [customCoin, setCustomCoin] = useState({ selected: false, num: 1000 });

  //任意金额充值的金币数量
  const handleChangeCustomCoin = (e) => {
    let newValue = parseInt(e.target.value, 10);
    // 确保输入的值在最小值和最大值范围内
    if (newValue >= 0 && newValue <= 100000) {
      setCustomCoin({ ...customCoin, num: newValue });
    } else if (isNaN(newValue)) {
      setCustomCoin({ ...customCoin, num: 0 });
    } else if (newValue > 100000) {
      setCustomCoin({ ...customCoin, num: 100000 });
    }
  };

  //获取当前充值档位
  const [isFetching, setIsFetching] = useState(true);
  useEffect(() => {
    const getData = async () => {
      const base = webviewBaseRequest();
      const body = { ...base };
      const signature = generateSignature(body);
      try {
        const response = await fetch(
          `/api/vas/get_coins_product_list?signature=${signature}`,
          {
            method: "POST",
            headers: {
              "Content-Type": "application/json",
            },
            body: JSON.stringify(body),
          }
        );
        const data = await response.json();
        if (data.ret === -1) {
          Toast.show({
            content: data.msg,
          });
          return;
        }
        setProductList(data.data.list_alipay_h5);
        setIsFetching(false);
      } catch (error) {
        console.error(error);
      }
    };
    getData();
  }, []);

  //创建充值订单
  const [isLoading, setIsLoading] = useState(false);
  const createOrder = async () => {
    if (!selectedPrice.id && !customCoin.selected) {
      Toast.show({
        content: "请选择充值档位",
      });
      return;
    }
    if (customCoin.selected && customCoin.num < 10) {
      Toast.show({
        content: "最低充值1元哦～",
      });
      return;
    }
    setIsLoading(true);
    const base = webviewBaseRequest();
    const body = {
      ...base,
      product_id: customCoin.selected ? "h5_custom_coin" : selectedPrice.id,
      custom_coins: customCoin.selected ? customCoin.num : 0,
      pay_type: "alipay_h5",
      from: "app",
    };
    const signature = generateSignature(body);
    try {
      const response = await fetch(
        `/api/vas/create_order?signature=${signature}`,
        {
          method: "POST",
          headers: {
            "Content-Type": "application/json",
          },
          body: JSON.stringify(body),
        }
      );
      const data = await response.json();
      if (data.ret === -1) {
        Toast.show({
          content: data.msg,
        });
        return;
      }
      router.push(`${data.data.alipay_h5_param_str}`);
    } catch (error) {
      console.error(error);
    } finally {
      setIsLoading(false);
    }
  };

  //跳转联系客服
  const handleContact = () => {
    if (navigator.userAgent.includes("FromWebview")) {
      window.ReactNativeWebView.postMessage(
        JSON.stringify({
          type: "NAVIGATE",
          data: {
            page: "MessageDetail",
            params: {
              mid: 1,
            },
          },
        })
      );
    } else {
      Toast.show({
        content: "请下载app联系客服充值",
      });
    }
    document.getElementById("manual_pay_modal").close();
  };

  const PriceItem = ({ item }) => {
    const handleClickPrice = (item) => {
      setSelectedPrice(item);
      setCustomCoin({ ...customCoin, selected: false });
    };
    return (
      <div className="basis-1/3 p-2">
        <button
          onClick={() => handleClickPrice(item)}
          className={
            selectedPrice.id === item.id
              ? "flex flex-col w-full py-4 border bg-[#FF61B030] border-primary rounded-lg items-center"
              : "flex flex-col w-full py-4 border bg-[#FFFFFF1A] border-secondary rounded-lg items-center"
          }
        >
          <p
            className={
              selectedPrice.id === item.id
                ? "text-base text-primary"
                : "text-base text-secondary"
            }
          >
            {item.name}
          </p>
          <p
            className={
              selectedPrice.real_price === item.real_price
                ? "text-base text-primary"
                : "text-base text-secondary"
            }
          >
            ¥{item.real_price / 100}
          </p>
        </button>
      </div>
    );
  };

  if (isFetching) {
    return (
      <section className="flex flex-1 justify-center container">
        <span className="absolute top-1/2 loading loading-spinner loading-lg"></span>
      </section>
    );
  }

  return (
    <section className="flex flex-1 justify-center container">
      {isLoading && (
        <span className="absolute top-1/2 loading loading-spinner loading-lg"></span>
      )}
      <div className="flex flex-1 flex-col p-4">
        <div
          onClick={() => router.push("/pay/info")}
          className="flex flex-row items-center bg-neutral rounded-lg w-full p-2"
        >
          <svg viewBox="0 0 1024 1024" width="24" height="24">
            <path
              d="M512 65.983389c-245.952318 0-446.016611 200.064292-446.016611 446.016611S266.047682 958.016611 512 958.016611 958.016611 757.952318 958.016611 512 757.952318 65.983389 512 65.983389zM544.00086 736.00086c0 17.695686-14.303454 32.00086-32.00086 32.00086s-32.00086-14.303454-32.00086-32.00086L479.99914 448c0-17.695686 14.303454-32.00086 32.00086-32.00086 17.695686 0 32.00086 14.303454 32.00086 32.00086L544.00086 736.00086zM512 352.00086c-26.496224 0-48.00043-21.53689-48.00043-48.00043 0-26.527187 21.504206-48.00043 48.00043-48.00043s48.00043 21.471523 48.00043 48.00043C560.00043 330.46397 538.496224 352.00086 512 352.00086z"
              fill="#FFF04C"
            ></path>
          </svg>
          <div className="ml-2 flex flex-col">
            <p className="text-base font-semibold text-white">支付遇到问题？</p>
            <p className="text-xs text-secondary">
              无法唤起支付宝APP，点击支付无反应？
            </p>
          </div>
          <div className="ml-auto">
            <svg viewBox="0 0 1024 1024" width="24" height="24">
              <path
                d="M761.055557 532.128047c0.512619-0.992555 1.343475-1.823411 1.792447-2.848649 8.800538-18.304636 5.919204-40.703346-9.664077-55.424808L399.935923 139.743798c-19.264507-18.208305-49.631179-17.344765-67.872168 1.888778-18.208305 19.264507-17.375729 49.631179 1.888778 67.872168l316.960409 299.839269L335.199677 813.631716c-19.071845 18.399247-19.648112 48.767639-1.247144 67.872168 9.407768 9.791372 21.984142 14.688778 34.560516 14.688778 12.000108 0 24.000215-4.479398 33.311652-13.439914l350.048434-337.375729c0.672598-0.672598 0.927187-1.599785 1.599785-2.303346 0.512619-0.479935 1.056202-0.832576 1.567101-1.343475C757.759656 538.879828 759.199462 535.391265 761.055557 532.128047z"
                fill="#ffffff"
              ></path>
            </svg>
          </div>
        </div>
        <p className="text-white text-base font-semibold my-2">选择充值金额</p>
        <div className="flex flex-wrap">
          {productList?.map((item) => (
            <PriceItem key={item.id} item={item} />
          ))}
          {/* 任意金额充值 */}
          <div className="basis-1/3 p-2">
            <button
              onClick={() => {
                setSelectedPrice([]);
                setCustomCoin({ ...customCoin, selected: true });
              }}
              className={
                customCoin.selected
                  ? "flex flex-col w-full h-full py-4 border bg-[#FF61B030] border-primary rounded-lg items-center justify-center"
                  : "flex flex-col w-full h-full py-4 border bg-[#FFFFFF1A] border-secondary rounded-lg items-center justify-center"
              }
            >
              <p
                className={
                  customCoin.selected
                    ? "text-base text-primary"
                    : "text-base text-secondary"
                }
              >
                自定义金币
              </p>
            </button>
          </div>
        </div>
        {customCoin.selected && (
          <div className="px-2 mt-2">
            <input
              type="number"
              name="custom_price"
              placeholder="请输入金币数额"
              value={customCoin.num.toString()}
              onChange={handleChangeCustomCoin}
              className="input input-bordered input-md input-primary w-full"
            />
            <p className="text-secondary text-base mt-2">
              预估金额：¥{customCoin.num / 10}
            </p>
          </div>
        )}
        <div className="flex mt-auto mb-12">
          <div className="basis-1/2 px-2">
            <button
              onClick={createOrder}
              className="flex flex-row w-full items-center justify-center bg-primary rounded-lg py-2"
            >
              <svg viewBox="0 0 1024 1024" width="28" height="28">
                <path
                  d="M42.666667 42.666667h938.666666v938.666666H42.666667z"
                  fillOpacity="0"
                ></path>
                <path
                  d="M981.333333 823.466667v4.266666c0 81.066667-68.266667 149.333333-149.333333 149.333334h-640c-38.4 0-76.8-17.066667-106.666667-42.666667s-42.666667-68.266667-42.666666-106.666667v-640c0-34.133333 17.066667-72.533333 42.666666-102.4s68.266667-42.666667 106.666667-42.666666h640C913.066667 42.666667 981.333333 110.933333 981.333333 192v631.466667z"
                  fill="#009FE9"
                ></path>
                <path
                  d="M819.2 635.733333c-38.4-12.8-89.6-29.866667-145.066667-51.2 34.133333-64 64-132.266667 81.066667-204.8h-187.733333V324.266667h226.133333v-38.4l-226.133333 4.266666V174.933333h-93.866667c-17.066667 0-21.333333 17.066667-21.333333 17.066667v93.866667H230.4v38.4h226.133333v55.466666H268.8v38.4h375.466667c-17.066667 46.933333-34.133333 93.866667-59.733334 136.533334-119.466667-38.4-243.2-72.533333-324.266666-51.2-38.4 8.533333-76.8 29.866667-102.4 59.733333-85.333333 106.666667-25.6 268.8 162.133333 268.8 110.933333 0 217.6-59.733333 298.666667-162.133333 123.733333 59.733333 366.933333 162.133333 366.933333 162.133333v-145.066667c-4.266667 0-34.133333-4.266667-166.4-51.2zM298.666667 768c-145.066667 0-187.733333-115.2-115.2-179.2 21.333333-21.333333 51.2-34.133333 85.333333-42.666667 85.333333-8.533333 174.933333 34.133333 268.8 81.066667C469.333333 716.8 384 768 298.666667 768z"
                  fill="#FFFFFF"
                ></path>
              </svg>
              <p className="text-white text-base ml-1">支付宝支付</p>
            </button>
          </div>
          <div className="basis-1/2 px-2">
            <button
              onClick={() =>
                document.getElementById("manual_pay_modal").showModal()
              }
              className="flex flex-row w-full items-center justify-center border border-primary rounded-lg py-2"
            >
              <p className="text-primary text-base ml-1">人工充值</p>
            </button>
          </div>
        </div>
      </div>
      <dialog id="manual_pay_modal" className="modal">
        <div className="modal-box bg-[#13121F]">
          <h3 className="font-semibold text-xl text-white text-center">
            人工充值
          </h3>
          <p className="text-secondary text-base font-medium">
            请联系人工客服进行充值，单笔金额不低于500人民币
          </p>
          <div className="flex flex-row">
            <button
              onClick={handleContact}
              className="flex flex-row flex-1 mx-2 items-center justify-center bg-[#FF669E] rounded-lg py-2 mt-4"
            >
              <p className="text-white text-base ml-1">联系客服</p>
            </button>
            <form method="dialog" className="flex flex-row flex-1 mx-2">
              <button className="flex flex-row flex-1 items-center justify-center border border-secondary rounded-lg py-2 mt-4">
                <p className="text-secondary text-base ml-1">取消</p>
              </button>
            </form>
          </div>
        </div>
      </dialog>
    </section>
  );
}