import React from 'react'
import {
  LayoutChangeEvent,
  PressableProps,
  StyleProp,
  TextStyle,
  ViewStyle,
} from 'react-native'
import Animated from 'react-native-reanimated'

import { TabBarProps, TabName, TabItemProps } from '../types'

type AnimatedStyle = StyleProp<Animated.AnimateStyle<ViewStyle>>
type AnimatedTextStyle = StyleProp<Animated.AnimateStyle<TextStyle>>

export type MaterialTabItemProps<T extends TabName> = TabItemProps<T> & {
  onPress: (name: T) => void
  onLayout?: (event: LayoutChangeEvent) => void
  scrollEnabled?: boolean

  style?: StyleProp<ViewStyle>
  /**
   * Style to apply to the tab item label
   */
  labelStyle?: AnimatedTextStyle
  inactiveOpacity?: number
  pressColor?: string
  pressOpacity?: number
  /**
   * Color applied to the label when active
   */
  activeColor?: string
  /**
   * Color applied to the label when inactive
   */
  inactiveColor?: string
} & Omit<PressableProps, 'onPress' | 'children'>

export type MaterialTabBarProps<N extends TabName> = TabBarProps<N> & {
  /**
   * Indicates whether the tab bar should contain horizontal scroll, when enabled the tab width is dynamic
   */
  scrollEnabled?: boolean
  /**
   * Style to apply to the active indicator.
   */
  indicatorStyle?: AnimatedStyle
  /**
   * React component to render as tab bar item
   */
  TabItemComponent?: (props: MaterialTabItemProps<N>) => React.ReactElement
  /**
   * Function to compute the tab item label text
   */
  getLabelText?: (name: N) => string
  /**
   * Style to apply to the tab bar container.
   */
  style?: StyleProp<ViewStyle>
  /**
   * Style to apply to the inner container for tabs
   */
  contentContainerStyle?: StyleProp<ViewStyle>
  /**
   * Style to apply to the individual tab items in the tab bar.
   */
  tabStyle?: StyleProp<ViewStyle>
  /**
   * Style to apply to the tab item label
   */
  labelStyle?: AnimatedTextStyle
  /**
   * Color applied to the label when active
   */
  activeColor?: string
  /**
   * Color applied to the label when inactive
   */
  inactiveColor?: string

  /**
   * Whether to keep the currently active tab centered in a scrollable tab bar
   */
  keepActiveTabCentered?: boolean
}

export type ItemLayout = {
  width: number
  x: number
}

export type IndicatorProps = {
  indexDecimal: Animated.SharedValue<number>
  itemsLayout: ItemLayout[]
  style?: AnimatedStyle
  fadeIn?: boolean
}