import { FormControl } from 'components/FormControl'
import { TraitTypeInput, TraitValueInput } from 'components/forms/FormInput'
import { useEffect, useId, useMemo } from 'react'
import { FaMinus, FaPlus } from 'react-icons/fa'

import { useInputState } from './FormInput.hooks'

export interface Attribute {
  trait_type: string
  value: string
}

export interface MetadataAttributesProps {
  title: string
  subtitle?: string
  isRequired?: boolean
  attributes: [string, Attribute][]
  onAdd: () => void
  onChange: (key: string, attribute: Attribute) => void
  onRemove: (key: string) => void
}

export function MetadataAttributes(props: MetadataAttributesProps) {
  const { title, subtitle, isRequired, attributes, onAdd, onChange, onRemove } = props

  return (
    <FormControl isRequired={isRequired} subtitle={subtitle} title={title}>
      {attributes.map(([id], i) => (
        <MetadataAttribute
          key={`ma-${id}`}
          defaultAttribute={attributes[i][1]}
          id={id}
          isLast={i === attributes.length - 1}
          onAdd={onAdd}
          onChange={onChange}
          onRemove={onRemove}
        />
      ))}
    </FormControl>
  )
}

export interface MetadataAttributeProps {
  id: string
  isLast: boolean
  onAdd: MetadataAttributesProps['onAdd']
  onChange: MetadataAttributesProps['onChange']
  onRemove: MetadataAttributesProps['onRemove']
  defaultAttribute: Attribute
}

export function MetadataAttribute({ id, isLast, onAdd, onChange, onRemove, defaultAttribute }: MetadataAttributeProps) {
  const Icon = useMemo(() => (isLast ? FaPlus : FaMinus), [isLast])

  const htmlId = useId()

  const traitTypeState = useInputState({
    id: `ma-trait_type-${htmlId}`,
    name: `ma-trait_type-${htmlId}`,
    title: `Trait Type`,
    defaultValue: defaultAttribute.trait_type,
  })

  const traitValueState = useInputState({
    id: `ma-trait_value-${htmlId}`,
    name: `ma-trait_value-${htmlId}`,
    title: `Trait Value`,
    defaultValue: defaultAttribute.value,
  })

  useEffect(() => {
    onChange(id, { trait_type: traitTypeState.value, value: traitValueState.value })
  }, [traitTypeState.value, traitValueState.value, id])

  return (
    <div className="grid relative grid-cols-[1fr_1fr_auto] space-x-2">
      <TraitTypeInput {...traitTypeState} />
      <TraitValueInput {...traitValueState} />
      <div className="flex justify-end items-end pb-2 w-8">
        <button
          className="flex justify-center items-center p-2 bg-plumbus-80 hover:bg-plumbus-60 rounded-full"
          onClick={(e) => {
            e.preventDefault()
            isLast ? onAdd() : onRemove(id)
          }}
          type="button"
        >
          <Icon className="w-3 h-3" />
        </button>
      </div>
    </div>
  )
}