import { useCallback, useEffect, useRef, useState } from 'react';
import { NumericFormat } from 'react-number-format';
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue
} from '@/components/ui/select';
import { Popover, PopoverContent, PopoverTrigger } from '@/components/ui/popover';
import {
  Command,
  CommandEmpty,
  CommandGroup,
  CommandInput,
  CommandItem,
  CommandList
} from '@/components/ui/command';
import {
  Dialog,
  DialogBody,
  DialogContent,
  DialogDescription,
  DialogHeader,
  DialogTitle
} from '@/components/ui/dialog';
import { useManageTransferFeeContext } from '../hooks/useManageTransferFeeContext';
import { Input } from '@/components/ui/input';
import { Button } from '@/components/ui/button';
import { apiConfig } from '@/config/api.config';
import { Alert, Container, DataGridInner, KeenIcon, useDataGrid } from '@/components';
import { toast } from 'sonner';
import { useCallApi } from '@/hooks';
import { doSaveLogActivity } from '@/actions/GlobalActions';
import { getAuth } from '@/auth';

const API_URL = apiConfig.service_transaction;
const API_URL_MASTER_DATA = apiConfig.service_master_data;
const API_URL_CUSTOMER = apiConfig.service_customer;

interface WalletProps {
  id: string;
  name: string;
  description?: string;
}

interface CustomerProps {
  id: string;
  username: string;
  msisdn: string;
  fullname?: string;
}

interface TransactionTypeProps {
  id: string;
  name: string;
}

const EditFeeDialog = () => {
  const parentRef = useRef<any | null>(null);
  const { showEditFeeDialog, handleEditFeeDialog, selectedTransferFee } =
    useManageTransferFeeContext();
  const { reload } = useDataGrid();
  const [wallets, setWallets] = useState<WalletProps[]>([]);
  const { GetData, PutData } = useCallApi();
  const [isSubmitting, setIsSubmitting] = useState(false);
  const [transactionTypes, setTransactionTypes] = useState<TransactionTypeProps[]>([]);
  const parsedUser = getAuth()?.user;
  const [customers, setCustomers] = useState<CustomerProps[]>([]);
  const [open, setOpen] = useState(false);
  const [alert, setAlert] = useState({
    show: false,
    message: ''
  });

  const initialState = {
    name: '',
    description: '',
    transaction_type: '',
    minimum_amount: 0,
    maximum_amount: 0,
    period_start: '',
    period_end: '',
    deduct_amount: 0,
    deduct_percentage: 0,
    fee_amount: 0,
    priority: '',
    status: '',
    status_include: '',
    updated_by: '',
    updated_at: '',
    deduct_from: '',
    deduct_from_account: '',
    credit_to: '',
    credit_destination: '00000000-0000-0000-0000-000000000000',
    credit_destination_account: ''
  };

  const [formField, setFormField] = useState(initialState);

  useEffect(() => {
    const updated_time = new Date();
    const formattedTime = updated_time.toISOString().slice(0, 19).replace('T', ' ');

    if (showEditFeeDialog) {
      setFormField((prevState) => ({
        ...prevState,
        updated_by: parsedUser?.username,
        updated_at: formattedTime
      }));
    }
  }, [showEditFeeDialog]);

  const resetForm = () => {
    if (selectedTransferFee) {
      fetchTransactionFee(selectedTransferFee);
    } else {
      setFormField(initialState);
    }
  };

  const doUpdateTransferFee = useCallback(
    async (e: React.FormEvent<HTMLFormElement>) => {
      e.preventDefault();
      setIsSubmitting(true);

      const requiredFields = [
        'name',
        'description',
        'period_start',
        'period_end',
        'transaction_type',
        'status',
        'status_include',
        'priority',
        'deduct_from',
        'deduct_from_account',
        'credit_to',
        'credit_destination_account'
      ];

      for (const field of requiredFields) {
        if (formField[field as keyof typeof formField] === '') {
          setAlert({
            show: true,
            message: `All required fields must be filled out. Missing: ${field.replace(/_/g, ' ')}`
          });
          setIsSubmitting(false);
          return;
        }
      }

      if (formField.credit_to === 'I' && !formField.credit_destination) {
        setAlert({
          show: true,
          message: 'Credit destination is required when Input Customer is selected'
        });
        setIsSubmitting(false);
        return;
      }

      setAlert({ show: false, message: '' });

      const payload = { ...formField };

      if (formField.credit_to !== 'I') {
        payload.credit_destination = '00000000-0000-0000-0000-000000000000';
      }

      try {
        const response = await PutData(
          `${API_URL}/transactionfees/update/${selectedTransferFee}`,
          payload
        );

        if (response?.status) {
          toast.success('Successfully updated transfer fee');
          reload();
          handleEditFeeDialog(false, null);
          const createActivity = {
            module: 'Manage Transfer Type',
            description: `Edit Transfer Type => ${selectedTransferFee}`,
            action: 'U'
          };
        } else {
          setAlert({ show: true, message: response?.message || 'Failed to update transfer fee' });
        }
      } catch (error) {
        console.error('Error updating transfer fee', error);
        setAlert({ show: true, message: 'An error occurred while updating the transfer fee' });
      } finally {
        setIsSubmitting(false);
      }
    },
    [formField, selectedTransferFee, PutData, reload, handleEditFeeDialog]
  );

  const fetchWallets = useCallback(async () => {
    const params = {
      limit: 100,
      page: 1,
      with_deleted: false,
      order_field: 'Wallets.name',
      order_direction: 'ASC'
    };
    try {
      const response = await GetData(`${API_URL_MASTER_DATA}/wallet/list`, params);
      if (response?.status && response?.data) {
        setWallets(response.data.list);
      } else {
        setWallets([]);
      }
    } catch (error) {
      console.error('Error fetching wallets', error);
      setWallets([]);
    }
  }, [GetData]);

  useEffect(() => {
    if (!showEditFeeDialog) return;
    fetchWallets();
  }, [showEditFeeDialog, fetchWallets]);

  useEffect(() => {
    if (!showEditFeeDialog) return;

    const getCustomerList = async (sorting: any) => {
      try {
        sorting = sorting.length === 0 ? [{ id: 'name', desc: false }] : sorting;
        const response = await GetData(`${API_URL_CUSTOMER}/customer/list`, {
          limit: 100,
          page: 1,
          with_deleted: false,
          order_field: sorting[0].id,
          order_direction: sorting[0].desc ? 'DESC' : 'ASC'
        });
        setCustomers(response?.data.list || []);
      } catch (error) {
        console.error('Error fetching customers', error);
      }
    };

    getCustomerList([{ id: 'msisdn', desc: false }]);
  }, [showEditFeeDialog, GetData]);

  useEffect(() => {
    if (!showEditFeeDialog) return;

    const getTransactionTypeList = async (sorting: any) => {
      try {
        sorting = sorting.length === 0 ? [{ id: 'name', desc: false }] : sorting;
        const response = await GetData(`${API_URL}/transactiontype/list`, {
          limit: 100,
          page: 1,
          with_deleted: false,
          order_field: sorting[0].id,
          order_direction: sorting[0].desc ? 'DESC' : 'ASC'
        });
        setTransactionTypes(response?.data.list || []);
      } catch (error) {
        console.error('Error fetching transaction types', error);
      }
    };

    getTransactionTypeList([{ id: 'id', desc: false }]);
  }, [showEditFeeDialog, GetData]);

  const formatDate = (dateString: string) => {
    if (!dateString || dateString.includes('0001-01-01')) return '';
    return dateString.split('T')[0];
  };

  const fetchTransactionFee = useCallback(
    async (id: string) => {
      try {
        const response = await GetData(`${API_URL}/transactionfees/getdata/${id}`, {});

        if (response?.status) {
          setFormField({
            ...initialState,
            name: response.data.name || '',
            description: response.data.description || '',
            transaction_type: response.data.transaction_type?.id || '',
            minimum_amount: response.data.minimum_amount || 0,
            maximum_amount: response.data.maximum_amount || 0,
            period_start: formatDate(response.data.period_start),
            period_end: formatDate(response.data.period_end),
            deduct_amount: response.data.deduct_amount || 0,
            deduct_percentage: response.data.deduct_percentage || 0,
            fee_amount: response.data.fee_amount || 0,
            priority: response.data.priority || '',
            status: response.data.status || '',
            status_include: response.data.status_include || '',
            deduct_from: response.data.deduct_from || '',
            deduct_from_account: response.data.deduct_from_account?.id || '',
            credit_to: response.data.credit_to || '',
            credit_destination:
              response.data.credit_destination?.id || '00000000-0000-0000-0000-000000000000',
            credit_destination_account: response.data.credit_destination_account?.id || '',
            updated_by: parsedUser?.username,
            updated_at: new Date().toISOString().slice(0, 19).replace('T', ' ')
          });
        }
      } catch (error) {
        console.error('Error fetching transaction fee details', error);
        setAlert({ show: true, message: 'Failed to fetch transaction fee details' });
      }
    },
    [GetData, parsedUser?.username]
  );

  const hasFetchedRef = useRef(false);

  useEffect(() => {
    if (selectedTransferFee && showEditFeeDialog && !hasFetchedRef.current) {
      fetchTransactionFee(selectedTransferFee);
      hasFetchedRef.current = true;
    }

    if (!showEditFeeDialog) {
      hasFetchedRef.current = false;
    }
  }, [selectedTransferFee, showEditFeeDialog, fetchTransactionFee]);

  const handleCloseDialog = () => {
    setFormField(initialState);
    setAlert({ show: false, message: '' });
    handleEditFeeDialog(false, null);
  };

  return (
    <Dialog
      open={showEditFeeDialog}
      onOpenChange={(open) => {
        if (!open) {
          handleCloseDialog();
        }
      }}
    >
      <DialogContent className="container-fixed max-w-[1080px] flex flex-col p-5 overflow-hidden [&>button]:hidden">
        <DialogTitle></DialogTitle>
        <DialogDescription></DialogDescription>
        <DialogHeader className="p-5 border-0">
          <div className="flex items-center justify-between flex-wrap grow">
            <div className="flex flex-col justify-center">
              <h1 className="text-xl font-semibold leading-none text-gray-900">
                Edit Transfer Fee
              </h1>
            </div>
            <div
              className="cursor-pointer hover:opacity-100 opacity-50"
              onClick={handleCloseDialog}
            >
              <KeenIcon icon="cross" className="text-1.5xl" />
            </div>
          </div>
        </DialogHeader>
        <DialogBody className="max-h-[1080px] overflow-y-auto">
          {alert.show && (
            <div className="sticky top-0 z-10 bg-white p-3">
              <Alert variant="danger" className="mb-3">
                <h3>{alert.message}</h3>
              </Alert>
            </div>
          )}

          <form action="" onSubmit={doUpdateTransferFee}>
            <div className="card flex flex-col gap-5">
              <div className="card-body grid gap-5 p-0">
                <div className="w-full">
                  <label className="form-label">
                    Transfer Fee Name <span className="text-red-500">*</span>
                  </label>
                  <Input
                    className="input"
                    type="text"
                    autoComplete="off"
                    value={formField.name}
                    onChange={({ target }) =>
                      setFormField((prev) => ({ ...prev, name: target.value }))
                    }
                  />
                </div>

                <div className="w-full">
                  <label className="form-label">
                    Description <span className="text-red-500">*</span>
                  </label>
                  <Input
                    className="input"
                    type="text"
                    autoComplete="off"
                    value={formField.description}
                    onChange={({ target }) =>
                      setFormField((prev) => ({ ...prev, description: target.value }))
                    }
                  />
                </div>

                <div className="w-full">
                  <label className="form-label">Minimum Amount</label>
                  <NumericFormat
                    className="input"
                    value={formField.minimum_amount}
                    thousandSeparator="."
                    decimalSeparator=","
                    allowNegative={false}
                    onValueChange={(values) => {
                      setFormField((prev) => ({
                        ...prev,
                        minimum_amount: values.floatValue || 0
                      }));
                    }}
                    placeholder="Enter Minimum Amount"
                  />
                </div>

                <div className="w-full">
                  <label className="form-label">Maximum Amount</label>
                  <NumericFormat
                    className="input"
                    value={formField.maximum_amount}
                    thousandSeparator="."
                    decimalSeparator=","
                    allowNegative={false}
                    onValueChange={(values) => {
                      setFormField((prev) => ({
                        ...prev,
                        maximum_amount: values.floatValue || 0
                      }));
                    }}
                    placeholder="Enter Maximum Amount"
                  />
                </div>

                <div className="w-full">
                  <label className="form-label">
                    Period Start <span className="text-red-500">*</span>
                  </label>
                  <Input
                    className="input"
                    type="date"
                    autoComplete="off"
                    value={formField.period_start}
                    onChange={({ target }) =>
                      setFormField((prev) => ({ ...prev, period_start: target.value }))
                    }
                  />
                </div>

                <div className="w-full">
                  <label className="form-label">
                    Period End <span className="text-red-500">*</span>
                  </label>
                  <Input
                    className="input"
                    type="date"
                    autoComplete="off"
                    value={formField.period_end}
                    onChange={({ target }) =>
                      setFormField((prev) => ({ ...prev, period_end: target.value }))
                    }
                  />
                </div>

                <div className="w-full">
                  <label className="form-label">Deduct Amount</label>
                  <NumericFormat
                    className="input"
                    value={formField.deduct_amount}
                    thousandSeparator="."
                    decimalSeparator=","
                    allowNegative={false}
                    onValueChange={(values) => {
                      setFormField((prev) => ({
                        ...prev,
                        deduct_amount: values.floatValue || 0
                      }));
                    }}
                    placeholder="Enter Deduct Amount"
                  />
                </div>

                <div className="w-full">
                  <label className="form-label">Deduct Percentage</label>
                  <NumericFormat
                    className="input"
                    value={formField.deduct_percentage}
                    thousandSeparator="."
                    decimalSeparator=","
                    allowNegative={false}
                    onValueChange={(values) => {
                      setFormField((prev) => ({
                        ...prev,
                        deduct_percentage: values.floatValue || 0
                      }));
                    }}
                    placeholder="Enter Deduct Percentage"
                  />
                </div>

                <div className="w-full">
                  <label className="form-label">Fee Amount</label>
                  <NumericFormat
                    className="input"
                    value={formField.fee_amount}
                    thousandSeparator="."
                    decimalSeparator=","
                    allowNegative={false}
                    onValueChange={(values) => {
                      setFormField((prev) => ({
                        ...prev,
                        fee_amount: values.floatValue || 0
                      }));
                    }}
                    placeholder="Enter Fee Amount"
                  />
                </div>

                <div className="w-full">
                  <label className="form-label">
                    Deduct From <span className="text-red-500">*</span>
                  </label>
                  <Select
                    value={formField.deduct_from}
                    onValueChange={(value) => setFormField({ ...formField, deduct_from: value })}
                  >
                    <SelectTrigger>
                      <SelectValue placeholder="Select Deduct From" />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="D">Destination Member</SelectItem>
                      <SelectItem value="S">Source Member</SelectItem>
                    </SelectContent>
                  </Select>
                </div>

                <div className="w-full">
                  <label className="form-label">
                    Deduct From Destination <span className="text-red-500">*</span>
                  </label>
                  <Select
                    value={formField.deduct_from_account}
                    onValueChange={(value) =>
                      setFormField({ ...formField, deduct_from_account: value })
                    }
                  >
                    <SelectTrigger>
                      <SelectValue placeholder="Select Wallet" />
                    </SelectTrigger>
                    <SelectContent>
                      {wallets.map((wallet) => (
                        <SelectItem value={wallet.id} key={wallet.id}>
                          {wallet.name || wallet.description}
                        </SelectItem>
                      ))}
                    </SelectContent>
                  </Select>
                </div>

                <div className="w-full">
                  <label className="form-label">
                    Credit To <span className="text-red-500">*</span>
                  </label>
                  <Select
                    value={formField.credit_to}
                    onValueChange={(value) =>
                      setFormField({
                        ...formField,
                        credit_to: value,
                        credit_destination:
                          value === 'I' ? '' : '00000000-0000-0000-0000-000000000000'
                      })
                    }
                  >
                    <SelectTrigger>
                      <SelectValue placeholder="Select Credit To" />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="D">Destination Member</SelectItem>
                      <SelectItem value="S">Source Member</SelectItem>
                      <SelectItem value="I">Input Customer</SelectItem>
                    </SelectContent>
                  </Select>
                </div>

                {formField.credit_to === 'I' && (
                  <div className="w-full">
                    <label className="form-label">
                      Credit Destination <span className="text-red-500">*</span>
                    </label>
                    <Select
                      value={formField.credit_destination}
                      onValueChange={(value) =>
                        setFormField({ ...formField, credit_destination: value })
                      }
                    >
                      <SelectTrigger>
                        <SelectValue placeholder="Select Customer" />
                      </SelectTrigger>
                      <SelectContent>
                        {customers.map((customer) => (
                          <SelectItem value={customer.id} key={customer.id}>
                            {customer.fullname || `${customer.username} - ${customer.msisdn}`}
                          </SelectItem>
                        ))}
                      </SelectContent>
                    </Select>
                  </div>
                )}

                <div className="w-full">
                  <label className="form-label">
                    Credit Destination Account <span className="text-red-500">*</span>
                  </label>
                  <Select
                    value={formField.credit_destination_account}
                    onValueChange={(value) =>
                      setFormField({ ...formField, credit_destination_account: value })
                    }
                  >
                    <SelectTrigger>
                      <SelectValue placeholder="Select Wallet" />
                    </SelectTrigger>
                    <SelectContent>
                      {wallets.map((wallet) => (
                        <SelectItem value={wallet.id} key={wallet.id}>
                          {wallet.name || wallet.description}
                        </SelectItem>
                      ))}
                    </SelectContent>
                  </Select>
                </div>

                <div className="w-full">
                  <label className="form-label">
                    Transaction Type ID <span className="text-red-500">*</span>
                  </label>
                  <Select
                    value={formField.transaction_type}
                    onValueChange={(transaction_type) =>
                      setFormField((prev) => ({ ...prev, transaction_type }))
                    }
                  >
                    <SelectTrigger>
                      <SelectValue placeholder="Select Transaction Type" />
                    </SelectTrigger>
                    <SelectContent>
                      {transactionTypes.map((transactiontype) => (
                        <SelectItem value={transactiontype.id} key={transactiontype.id}>
                          {transactiontype.name}
                        </SelectItem>
                      ))}
                    </SelectContent>
                  </Select>
                </div>

                <div className="w-full">
                  <label className="form-label">
                    Status <span className="text-red-500">*</span>
                  </label>
                  <Select
                    value={formField.status}
                    onValueChange={(value) => setFormField({ ...formField, status: value })}
                  >
                    <SelectTrigger>
                      <SelectValue placeholder="Select Status" />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="Y">Active</SelectItem>
                      <SelectItem value="N">Inactive</SelectItem>
                    </SelectContent>
                  </Select>
                </div>

                <div className="w-full">
                  <label className="form-label">
                    Status Include <span className="text-red-500">*</span>
                  </label>
                  <Select
                    value={formField.status_include}
                    onValueChange={(value) => setFormField({ ...formField, status_include: value })}
                  >
                    <SelectTrigger>
                      <SelectValue placeholder="Select Status" />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="Y">Yes</SelectItem>
                      <SelectItem value="N">No</SelectItem>
                    </SelectContent>
                  </Select>
                </div>

                <div className="w-full">
                  <label className="form-label">
                    Priority <span className="text-red-500">*</span>
                  </label>
                  <Select
                    value={formField.priority}
                    onValueChange={(value) => setFormField({ ...formField, priority: value })}
                  >
                    <SelectTrigger>
                      <SelectValue placeholder="Select Priority" />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="Y">Yes</SelectItem>
                      <SelectItem value="N">No</SelectItem>
                    </SelectContent>
                  </Select>
                </div>

                <div className="flex justify-end pt-2.5 gap-5">
                  <Button variant={'default'} type="submit" disabled={isSubmitting}>
                    {isSubmitting ? 'Saving...' : 'Save Changes'}
                  </Button>
                </div>
              </div>
            </div>
          </form>
        </DialogBody>
      </DialogContent>
    </Dialog>
  );
};

export { EditFeeDialog };