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import { ResponseType } from '@/interfaces/database/base';
import { DSL, IFlow, IFlowTemplate } from '@/interfaces/database/flow';
import i18n from '@/locales/config';
import flowService from '@/services/flow-service';
import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
import { message } from 'antd';
import { useParams } from 'umi';
import { v4 as uuid } from 'uuid';

export const EmptyDsl = {
  graph: {
    nodes: [
      {
        id: 'begin',
        type: 'beginNode',
        position: {
          x: 50,
          y: 200,
        },
        data: {
          label: 'Begin',
          name: 'begin',
        },
        sourcePosition: 'left',
        targetPosition: 'right',
      },
    ],
    edges: [],
  },
  components: {
    begin: {
      obj: {
        component_name: 'Begin',
        params: {},
      },
      downstream: ['Answer:China'], // other edge target is downstream, edge source is current node id
      upstream: [], // edge source is upstream, edge target is current node id
    },
  },
  messages: [],
  reference: [],
  history: [],
  path: [],
  answer: [],
};

export const useFetchFlowTemplates = (): ResponseType<IFlowTemplate[]> => {
  const { data } = useQuery({
    queryKey: ['fetchFlowTemplates'],
    initialData: [],
    queryFn: async () => {
      const { data } = await flowService.listTemplates();
      if (Array.isArray(data?.data)) {
        data.data.unshift({
          id: uuid(),
          title: 'Blank',
          description: 'Create from nothing',
          dsl: EmptyDsl,
        });
      }

      return data;
    },
  });

  return data;
};

export const useFetchFlowList = (): { data: IFlow[]; loading: boolean } => {
  const { data, isFetching: loading } = useQuery({
    queryKey: ['fetchFlowList'],
    initialData: [],
    queryFn: async () => {
      const { data } = await flowService.listCanvas();

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

  return { data, loading };
};

export const useFetchFlow = (): {
  data: IFlow;
  loading: boolean;
  refetch: () => void;
} => {
  const { id } = useParams();
  const {
    data,
    isFetching: loading,
    refetch,
  } = useQuery({
    queryKey: ['flowDetail'],
    initialData: {} as IFlow,
    queryFn: async () => {
      const { data } = await flowService.getCanvas({}, id);

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

  return { data, loading, refetch };
};

export const useSetFlow = () => {
  const queryClient = useQueryClient();
  const {
    data,
    isPending: loading,
    mutateAsync,
  } = useMutation({
    mutationKey: ['setFlow'],
    mutationFn: async (params: {
      id?: string;
      title?: string;
      dsl?: DSL;
      avatar?: string;
    }) => {
      const { data } = await flowService.setCanvas(params);
      if (data.retcode === 0) {
        message.success(
          i18n.t(`message.${params?.id ? 'modified' : 'created'}`),
        );
        queryClient.invalidateQueries({ queryKey: ['fetchFlowList'] });
      }
      return data;
    },
  });

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

export const useDeleteFlow = () => {
  const queryClient = useQueryClient();
  const {
    data,
    isPending: loading,
    mutateAsync,
  } = useMutation({
    mutationKey: ['deleteFlow'],
    mutationFn: async (canvasIds: string[]) => {
      const { data } = await flowService.removeCanvas({ canvasIds });
      if (data.retcode === 0) {
        queryClient.invalidateQueries({ queryKey: ['fetchFlowList'] });
      }
      return data?.data ?? [];
    },
  });

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

export const useRunFlow = () => {
  const {
    data,
    isPending: loading,
    mutateAsync,
  } = useMutation({
    mutationKey: ['runFlow'],
    mutationFn: async (params: { id: string; dsl: DSL }) => {
      const { data } = await flowService.runCanvas(params);
      if (data.retcode === 0) {
        message.success(i18n.t(`message.modified`));
      }
      return data?.data ?? {};
    },
  });

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

export const useResetFlow = () => {
  const { id } = useParams();
  const {
    data,
    isPending: loading,
    mutateAsync,
  } = useMutation({
    mutationKey: ['resetFlow'],
    mutationFn: async () => {
      const { data } = await flowService.resetCanvas({ id });
      return data;
    },
  });

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