import { LlmIcon } from '@/components/svg-icon';
import { LlmModelType } from '@/constants/knowledge';
import { ResponseGetType } from '@/interfaces/database/base';
import {
  IFactory,
  IMyLlmValue,
  IThirdOAIModelCollection as IThirdAiModelCollection,
  IThirdOAIModelCollection,
} from '@/interfaces/database/llm';
import {
  IAddLlmRequestBody,
  IDeleteLlmRequestBody,
} from '@/interfaces/request/llm';
import userService from '@/services/user-service';
import { sortLLmFactoryListBySpecifiedOrder } from '@/utils/common-util';
import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
import { Flex, message } from 'antd';
import { DefaultOptionType } from 'antd/es/select';
import { useMemo } from 'react';
import { useTranslation } from 'react-i18next';

export const useFetchLlmList = (
  modelType?: LlmModelType,
): IThirdAiModelCollection => {
  const { data } = useQuery({
    queryKey: ['llmList'],
    initialData: {},
    queryFn: async () => {
      const { data } = await userService.llm_list({ model_type: modelType });

      return data?.data ?? {};
    },
  });

  return data;
};

export const useSelectLlmOptions = () => {
  const llmInfo: IThirdOAIModelCollection = useFetchLlmList();

  const embeddingModelOptions = useMemo(() => {
    return Object.entries(llmInfo).map(([key, value]) => {
      return {
        label: key,
        options: value.map((x) => ({
          label: x.llm_name,
          value: `${x.llm_name}@${x.fid}`,
          disabled: !x.available,
        })),
      };
    });
  }, [llmInfo]);

  return embeddingModelOptions;
};

const getLLMIconName = (fid: string, llm_name: string) => {
  if (fid === 'FastEmbed') {
    return llm_name.split('/').at(0) ?? '';
  }

  return fid;
};

export const useSelectLlmOptionsByModelType = () => {
  const llmInfo: IThirdOAIModelCollection = useFetchLlmList();

  const groupOptionsByModelType = (modelType: LlmModelType) => {
    return Object.entries(llmInfo)
      .filter(([, value]) =>
        modelType ? value.some((x) => x.model_type.includes(modelType)) : true,
      )
      .map(([key, value]) => {
        return {
          label: key,
          options: value
            .filter(
              (x) =>
                (modelType ? x.model_type.includes(modelType) : true) &&
                x.available,
            )
            .map((x) => ({
              label: (
                <Flex align="center" gap={6}>
                  <LlmIcon
                    name={getLLMIconName(x.fid, x.llm_name)}
                    width={26}
                    height={26}
                    size={'small'}
                  />
                  <span>{x.llm_name}</span>
                </Flex>
              ),
              value: `${x.llm_name}@${x.fid}`,
              disabled: !x.available,
            })),
        };
      })
      .filter((x) => x.options.length > 0);
  };

  return {
    [LlmModelType.Chat]: groupOptionsByModelType(LlmModelType.Chat),
    [LlmModelType.Embedding]: groupOptionsByModelType(LlmModelType.Embedding),
    [LlmModelType.Image2text]: groupOptionsByModelType(LlmModelType.Image2text),
    [LlmModelType.Speech2text]: groupOptionsByModelType(
      LlmModelType.Speech2text,
    ),
    [LlmModelType.Rerank]: groupOptionsByModelType(LlmModelType.Rerank),
    [LlmModelType.TTS]: groupOptionsByModelType(LlmModelType.TTS),
  };
};

export const useComposeLlmOptionsByModelTypes = (
  modelTypes: LlmModelType[],
) => {
  const allOptions = useSelectLlmOptionsByModelType();

  return modelTypes.reduce<DefaultOptionType[]>((pre, cur) => {
    const options = allOptions[cur];
    options.forEach((x) => {
      const item = pre.find((y) => y.label === x.label);
      if (item) {
        item.options.push(...x.options);
      } else {
        pre.push(x);
      }
    });

    return pre;
  }, []);
};

export const useFetchLlmFactoryList = (): ResponseGetType<IFactory[]> => {
  const { data, isFetching: loading } = useQuery({
    queryKey: ['factoryList'],
    initialData: [],
    gcTime: 0,
    queryFn: async () => {
      const { data } = await userService.factories_list();

      return data?.data ?? [];
    },
  });

  return { data, loading };
};

export type LlmItem = { name: string; logo: string } & IMyLlmValue;

export const useFetchMyLlmList = (): ResponseGetType<
  Record<string, IMyLlmValue>
> => {
  const { data, isFetching: loading } = useQuery({
    queryKey: ['myLlmList'],
    initialData: {},
    gcTime: 0,
    queryFn: async () => {
      const { data } = await userService.my_llm();

      return data?.data ?? {};
    },
  });

  return { data, loading };
};

export const useSelectLlmList = () => {
  const { data: myLlmList, loading: myLlmListLoading } = useFetchMyLlmList();
  const { data: factoryList, loading: factoryListLoading } =
    useFetchLlmFactoryList();

  const nextMyLlmList: Array<LlmItem> = useMemo(() => {
    return Object.entries(myLlmList).map(([key, value]) => ({
      name: key,
      logo: factoryList.find((x) => x.name === key)?.logo ?? '',
      ...value,
    }));
  }, [myLlmList, factoryList]);

  const nextFactoryList = useMemo(() => {
    const currentList = factoryList.filter((x) =>
      Object.keys(myLlmList).every((y) => y !== x.name),
    );
    return sortLLmFactoryListBySpecifiedOrder(currentList);
  }, [factoryList, myLlmList]);

  return {
    myLlmList: nextMyLlmList,
    factoryList: nextFactoryList,
    loading: myLlmListLoading || factoryListLoading,
  };
};

export interface IApiKeySavingParams {
  llm_factory: string;
  api_key: string;
  llm_name?: string;
  model_type?: string;
  base_url?: string;
}

export const useSaveApiKey = () => {
  const queryClient = useQueryClient();
  const { t } = useTranslation();
  const {
    data,
    isPending: loading,
    mutateAsync,
  } = useMutation({
    mutationKey: ['saveApiKey'],
    mutationFn: async (params: IApiKeySavingParams) => {
      const { data } = await userService.set_api_key(params);
      if (data.code === 0) {
        message.success(t('message.modified'));
        queryClient.invalidateQueries({ queryKey: ['myLlmList'] });
        queryClient.invalidateQueries({ queryKey: ['factoryList'] });
      }
      return data.code;
    },
  });

  return { data, loading, saveApiKey: mutateAsync };
};

export interface ISystemModelSettingSavingParams {
  tenant_id: string;
  name?: string;
  asr_id: string;
  embd_id: string;
  img2txt_id: string;
  llm_id: string;
}

export const useSaveTenantInfo = () => {
  const { t } = useTranslation();
  const {
    data,
    isPending: loading,
    mutateAsync,
  } = useMutation({
    mutationKey: ['saveTenantInfo'],
    mutationFn: async (params: ISystemModelSettingSavingParams) => {
      const { data } = await userService.set_tenant_info(params);
      if (data.code === 0) {
        message.success(t('message.modified'));
      }
      return data.code;
    },
  });

  return { data, loading, saveTenantInfo: mutateAsync };
};

export const useAddLlm = () => {
  const queryClient = useQueryClient();
  const { t } = useTranslation();
  const {
    data,
    isPending: loading,
    mutateAsync,
  } = useMutation({
    mutationKey: ['addLlm'],
    mutationFn: async (params: IAddLlmRequestBody) => {
      const { data } = await userService.add_llm(params);
      if (data.code === 0) {
        queryClient.invalidateQueries({ queryKey: ['myLlmList'] });
        queryClient.invalidateQueries({ queryKey: ['factoryList'] });
        message.success(t('message.modified'));
      }
      return data.code;
    },
  });

  return { data, loading, addLlm: mutateAsync };
};

export const useDeleteLlm = () => {
  const queryClient = useQueryClient();
  const { t } = useTranslation();
  const {
    data,
    isPending: loading,
    mutateAsync,
  } = useMutation({
    mutationKey: ['deleteLlm'],
    mutationFn: async (params: IDeleteLlmRequestBody) => {
      const { data } = await userService.delete_llm(params);
      if (data.code === 0) {
        queryClient.invalidateQueries({ queryKey: ['myLlmList'] });
        queryClient.invalidateQueries({ queryKey: ['factoryList'] });
        message.success(t('message.deleted'));
      }
      return data.code;
    },
  });

  return { data, loading, deleteLlm: mutateAsync };
};

export const useDeleteFactory = () => {
  const queryClient = useQueryClient();
  const { t } = useTranslation();
  const {
    data,
    isPending: loading,
    mutateAsync,
  } = useMutation({
    mutationKey: ['deleteFactory'],
    mutationFn: async (params: IDeleteLlmRequestBody) => {
      const { data } = await userService.deleteFactory(params);
      if (data.code === 0) {
        queryClient.invalidateQueries({ queryKey: ['myLlmList'] });
        queryClient.invalidateQueries({ queryKey: ['factoryList'] });
        message.success(t('message.deleted'));
      }
      return data.code;
    },
  });

  return { data, loading, deleteFactory: mutateAsync };
};