"use client";
import {
  Button,
  Input,
  Select,
  SelectItem,
  SelectSection,
} from "@heroui/react";
import { FormEvent, useState } from "react";
import { Controller, useFieldArray, useForm } from "react-hook-form";
import * as z from "zod";
import { zodResolver } from "@hookform/resolvers/zod";
import { close, error, loading } from "@/config/swal";
import {
  generateDataArticle,
  getGenerateKeywords,
  getGenerateTitle,
  getGenerateTopicKeywords,
  saveBulkArticle,
} from "@/services/generate-article";

const writingStyle = [
  {
    id: 1,
    name: "Friendly",
  },
  {
    id: 1,
    name: "Professional",
  },
  {
    id: 3,
    name: "Informational",
  },
  {
    id: 4,
    name: "Neutral",
  },
  {
    id: 5,
    name: "Witty",
  },
];

const articleSize = [
  {
    id: 1,
    name: "News (300 - 900 words)",
    value: "News",
  },
  {
    id: 2,
    name: "Info (900 - 2000 words)",
    value: "Info",
  },
  {
    id: 3,
    name: "Detail (2000 - 5000 words)",
    value: "Detail",
  },
];

const formSchema = z.object({
  rows: z.array(
    z.object({
      mainKeyword: z.string().min(1, {
        message: "Main Keyword must be at least 2 characters.",
      }),
      title: z.string().min(1, {
        message: "Title must be at least 2 characters.",
      }),
      additionalKeyword: z.string().min(1, {
        message: "Additional Keyword must be at least 2 characters.",
      }),
    })
  ),
});

export default function GenerateBulkArticle(props: {
  articleId: (data: number[]) => void;
}) {
  const [selectedWritingSyle, setSelectedWritingStyle] =
    useState("Informational");
  const [selectedArticleSize, setSelectedArticleSize] = useState("News");
  const [selectedLanguage, setSelectedLanguage] = useState("id");

  const formOptions = {
    resolver: zodResolver(formSchema),
    defaultValues: {
      rows: [{ mainKeyword: "", title: "", additionalKeyword: "" }],
    },
  };
  type UserSettingSchema = z.infer<typeof formSchema>;
  const {
    register,
    control,
    handleSubmit,
    formState: { errors },
    setValue,
    getValues,
    trigger,
  } = useForm<UserSettingSchema>(formOptions);

  const { fields, append, remove } = useFieldArray({
    control,
    name: "rows",
  });

  const onSubmit = async () => {
    loading();
    const listData = [];
    for (let i = 0; i < fields.length; i++) {
      listData.push({
        title: getValues(`rows.${i}.title`),
        mainKeyword: getValues(`rows.${i}.mainKeyword`),
        additionalKeywords: getValues(`rows.${i}.additionalKeyword`),
      });
    }
    const request = {
      style: "Friendly",
      website: "None",
      connectToWeb: true,
      lang: selectedLanguage,
      pointOfView: "0",
      imageSource: "Web",
      targetCountry: null,
      articleSize: selectedArticleSize,
      projectId: 2,
      data: listData,
      createdBy: "123123",
      clientId: "humasClientIdtest",
    };

    const res = await saveBulkArticle(request);
    if (res.error) {
      error(res.message);
      return false;
    }

    const temp: number[] = [];
    res?.data?.data.map((data: any) => temp.push(data.id));
    props.articleId(temp);
    close();
  };

  const generateTitle = async (keyword: string | undefined, index: number) => {
    if (keyword) {
      const req = {
        keyword: keyword,
        style: selectedWritingSyle,
        website: "None",
        connectToWeb: true,
        lang: selectedLanguage,
        pointOfView: "None",
        clientId: "",
      };
      setValue(`rows.${index}.title`, "process...");

      const res = await getGenerateTitle(req);
      const data = res?.data?.data;
      setValue(`rows.${index}.title`, data);
    }
  };

  const generateKeywords = async (
    keyword: string | undefined,
    index: number
  ) => {
    if (keyword) {
      const req = {
        keyword: keyword,
        style: selectedWritingSyle,
        website: "None",
        connectToWeb: true,
        lang: selectedLanguage,
        pointOfView: "0",
        clientId: "",
      };
      setValue(`rows.${index}.additionalKeyword`, "process...");
      const res = await getGenerateKeywords(req);
      const data = res?.data?.data;
      setValue(`rows.${index}.additionalKeyword`, data);
    }
  };

  const processAll = async () => {
    let emptyMainKeyword = 0;
    const mainKeyword = getValues(`rows.0.mainKeyword`);
    for (let i = 0; i < fields.length; i++) {
      const mainKeyNow = getValues(`rows.${i}.mainKeyword`);
      if (mainKeyNow === "") {
        emptyMainKeyword++;
      }
    }
    if (mainKeyword !== "") {
      if (emptyMainKeyword > 0) {
        loading();
        const res = await getGenerateTopicKeywords({
          keyword: mainKeyword,
          count: emptyMainKeyword,
        });
        const data = res?.data?.data;
        let j = 0;
        for (let i = 0; i < fields.length; i++) {
          const mainKeyNow = getValues(`rows.${i}.mainKeyword`);
          if (mainKeyNow === "") {
            setValue(`rows.${i}.mainKeyword`, data[j]);

            j++;
          }
        }
        for (let i = 0; i < fields.length; i++) {
          const mainKeyNow = getValues(`rows.${i}.mainKeyword`);
          if (getValues(`rows.${i}.title`) == "") {
            generateTitle(mainKeyNow, i);
          }
          if (getValues(`rows.${i}.additionalKeyword`) == "") {
            generateKeywords(mainKeyNow, i);
          }
        }

        close();
      } else {
        loading();
        for (let i = 0; i < fields.length; i++) {
          const mainKeyNow = getValues(`rows.${i}.mainKeyword`);
          if (getValues(`rows.${i}.title`) == "") {
            generateTitle(mainKeyNow, i);
          }
          if (getValues(`rows.${i}.additionalKeyword`) == "") {
            generateKeywords(mainKeyNow, i);
          }
        }
        close();
      }
    }
  };

  const processRow = (index: number) => {
    const addKeyword = getValues(`rows.${index}.mainKeyword`);
    generateTitle(addKeyword, index);

    generateKeywords(addKeyword, index);
  };

  const validateFields = async () => {
    const validation = await trigger();
    if (validation) {
      onSubmit();
    }
  };

  return (
    <fieldset>
      <form
        className="flex flex-col gap-2 w-full"
        onSubmit={handleSubmit(onSubmit)}
      >
        <div className="grid grid-cols-1 md:grid-cols-3 gap-5 w-full">
          <Select
            label="Writing Style"
            variant="bordered"
            labelPlacement="outside"
            placeholder=""
            selectedKeys={[selectedWritingSyle]}
            onChange={(e) =>
              e.target.value !== ""
                ? setSelectedWritingStyle(e.target.value)
                : ""
            }
            className="w-full"
          >
            <SelectSection>
              {writingStyle.map((style) => (
                <SelectItem key={style.name}>{style.name}</SelectItem>
              ))}
            </SelectSection>
          </Select>
          <Select
            label="Article Size"
            variant="bordered"
            labelPlacement="outside"
            placeholder=""
            selectedKeys={[selectedArticleSize]}
            onChange={(e) =>
              e.target.value !== ""
                ? setSelectedArticleSize(e.target.value)
                : ""
            }
            className="w-full"
          >
            <SelectSection>
              {articleSize.map((size) => (
                <SelectItem key={size.value}>{size.name}</SelectItem>
              ))}
            </SelectSection>
          </Select>
          <Select
            label="Language"
            variant="bordered"
            labelPlacement="outside"
            placeholder=""
            selectedKeys={[selectedLanguage]}
            onChange={(e) =>
              e.target.value !== "" ? setSelectedLanguage(e.target.value) : ""
            }
            className="w-full"
          >
            <SelectSection>
              <SelectItem key="id">Indonesia</SelectItem>
              <SelectItem key="en">English</SelectItem>
            </SelectSection>
          </Select>
        </div>
        <div className={`flex flex-col md:gap-3 `}>
          {fields.map((field, index) => (
            <div
              key={field.id}
              className={` grid grid-cols-1 md:grid-cols-3 gap-5 w-full ${
                fields.length === 1
                  ? ""
                  : "border-b-2 md:border-none py-3 md:py-1"
              }`}
            >
              <div>
                <div className="text-[10px] md:text-base flex items-center justify-between">
                  <div className="flex flex-row items-center gap-1">
                    <p className="text-sm">Main Keyword</p>
                    <Button
                      color="primary"
                      size="sm"
                      onClick={() => {
                        if (index === 0) {
                          processAll();
                        } else {
                          processRow(index);
                        }
                      }}
                    >
                      Process {index === 0 ? "All" : ""}
                    </Button>
                  </div>
                  <div className="w-[42px] flex flex-row gap-1 md:hidden">
                    {index === fields.length - 1 && (
                      <button
                        className="w-[20px] mb-2 "
                        type="button"
                        onClick={() =>
                          append({
                            mainKeyword: "",
                            title: "",
                            additionalKeyword: "",
                          })
                        }
                      >
                        +
                      </button>
                    )}
                    {index !== 0 && (
                      <a
                        onClick={() => remove(index)}
                        className="cursor-pointer mb-2 w-[20px] h-[20px]text-center rounded-full flex justify-center items-center"
                      >
                        -
                      </a>
                    )}
                  </div>
                </div>
                <Controller
                  control={control}
                  name={`rows.${index}.mainKeyword`}
                  render={({ field: { onChange, value } }) => (
                    <Input
                      type="text"
                      id="mainKeyword"
                      placeholder=""
                      label=""
                      value={value}
                      onChange={onChange}
                      labelPlacement="outside"
                      className="w-full"
                      isDisabled={value === "process..."}
                      variant="bordered"
                    />
                  )}
                />
              </div>
              <div>
                <div className="text-[10px] md:text-base flex items-center gap-1">
                  <p className="text-sm">Title</p>
                  <Button
                    color="primary"
                    size="sm"
                    onClick={() =>
                      generateTitle(
                        getValues(`rows.${index}.mainKeyword`),
                        index
                      )
                    }
                  >
                    Process
                  </Button>
                </div>
                <Controller
                  control={control}
                  name={`rows.${index}.title`}
                  render={({ field: { onChange, value } }) => (
                    <Input
                      type="text"
                      id="title"
                      placeholder=""
                      label=""
                      value={value}
                      onChange={onChange}
                      labelPlacement="outside"
                      className="w-full"
                      isDisabled={value === "process..."}
                      variant="bordered"
                    />
                  )}
                />
              </div>

              <div className="w-full flex flex-row items-end gap-1">
                <div className="full grow">
                  <div>
                    <div className="text-[10px] md:text-base flex items-center gap-1">
                      <p className="text-sm">SEO</p>
                      <Button
                        color="primary"
                        size="sm"
                        onClick={() =>
                          generateKeywords(
                            getValues(`rows.${index}.mainKeyword`),
                            index
                          )
                        }
                      >
                        Process
                      </Button>
                    </div>
                    <Controller
                      control={control}
                      name={`rows.${index}.additionalKeyword`}
                      render={({ field: { onChange, value } }) => (
                        <Input
                          type="text"
                          id="title"
                          placeholder=""
                          label=""
                          value={value}
                          onChange={onChange}
                          labelPlacement="outside"
                          className="w-full"
                          isDisabled={value === "process..."}
                          variant="bordered"
                        />
                      )}
                    />
                  </div>
                </div>

                <div className="w-[42px]  flex-row gap-1 hidden md:flex">
                  {index === fields.length - 1 && (
                    <button
                      className="w-[20px] mb-2 "
                      type="button"
                      onClick={() =>
                        append({
                          mainKeyword: "",
                          title: "",
                          additionalKeyword: "",
                        })
                      }
                    >
                      +
                    </button>
                  )}
                  {index !== 0 && (
                    <a
                      onClick={() => remove(index)}
                      className="cursor-pointer mb-2 w-[20px] h-[20px]text-center rounded-full flex justify-center items-center"
                    >
                      -
                    </a>
                  )}
                </div>
              </div>
            </div>
          ))}
        </div>

        <Button
          type="button"
          onClick={() => validateFields()}
          // disabled={validateFields()}
          color="primary"
        >
          Generate
        </Button>
      </form>
    </fieldset>
  );
}