import React from 'react';
import { Icon, IconButton, Icons, Line, Text, Tooltip, TooltipProvider } from 'folds';
import { useAtom } from 'jotai';
import { MicLevelBars } from './MicLevelBars';
import * as css from './styles.css';
import { MobileTouchTarget } from '../../styles/mobile.css';
import { callChatAtom } from '../../state/callEmbed';
import { AsyncStatus, useAsyncCallback } from '../../hooks/useAsyncCallback';

export function ControlDivider() {
  return (
    <Line variant="SurfaceVariant" size="300" direction="Vertical" className={css.ControlDivider} />
  );
}

type MicrophoneButtonProps = {
  enabled: boolean;
  onToggle: () => Promise<unknown>;
  /** [Gitea #146] Your input level, 0–3 bars; shown only while unmuted. */
  level?: number;
};
export function MicrophoneButton({ enabled, onToggle, level = 0 }: MicrophoneButtonProps) {
  const [micState, toggleMic] = useAsyncCallback(onToggle);
  const loading = micState.status === AsyncStatus.Loading;

  return (
    <TooltipProvider
      position="Top"
      delay={500}
      tooltip={
        <Tooltip>
          <Text size="T200">{enabled ? 'Turn Off Microphone' : 'Turn On Microphone'}</Text>
        </Tooltip>
      }
    >
      {(anchorRef) => (
        <IconButton
          ref={anchorRef}
          variant={enabled ? 'Surface' : 'Warning'}
          fill="Soft"
          radii="400"
          size="400"
          className={MobileTouchTarget}
          onClick={toggleMic}
          aria-label={enabled ? 'Turn Off Microphone' : 'Turn On Microphone'}
          outlined
          disabled={loading}
        >
          <span style={{ position: 'relative', display: 'inline-flex' }}>
            <Icon size="400" src={enabled ? Icons.Mic : Icons.MicMute} filled={!enabled} />
            {enabled && <MicLevelBars level={level} />}
          </span>
        </IconButton>
      )}
    </TooltipProvider>
  );
}

type SoundButtonProps = {
  enabled: boolean;
  onToggle: () => void;
};
export function SoundButton({ enabled, onToggle }: SoundButtonProps) {
  return (
    <TooltipProvider
      position="Top"
      delay={500}
      tooltip={
        <Tooltip>
          <Text size="T200">{enabled ? 'Deafen' : 'Undeafen'}</Text>
        </Tooltip>
      }
    >
      {(anchorRef) => (
        <IconButton
          ref={anchorRef}
          variant={enabled ? 'Surface' : 'Warning'}
          fill="Soft"
          radii="400"
          size="400"
          className={MobileTouchTarget}
          onClick={() => onToggle()}
          // No aria-pressed on these call toggles (#187 DP7/8): their labels already
          // name the action ("Deafen" / "Undeafen"), and pressed-state on top
          // read as "Deafen, pressed" while NOT deafened.
          aria-label={enabled ? 'Deafen' : 'Undeafen'}
          outlined
        >
          <Icon
            size="400"
            src={enabled ? Icons.Headphone : Icons.HeadphoneMute}
            filled={!enabled}
          />
        </IconButton>
      )}
    </TooltipProvider>
  );
}

type VideoButtonProps = {
  enabled: boolean;
  onToggle: () => Promise<unknown>;
  disabled?: boolean;
};
export function VideoButton({ enabled, onToggle, disabled }: VideoButtonProps) {
  const [videoState, toggleVideo] = useAsyncCallback(onToggle);
  const loading = videoState.status === AsyncStatus.Loading;

  return (
    <TooltipProvider
      position="Top"
      delay={500}
      tooltip={
        <Tooltip>
          <Text size="T200">
            {disabled ? 'Camera disabled in settings' : enabled ? 'Stop Camera' : 'Start Camera'}
          </Text>
        </Tooltip>
      }
    >
      {(anchorRef) => (
        <IconButton
          ref={anchorRef}
          variant={enabled ? 'Success' : 'Surface'}
          fill="Soft"
          radii="400"
          size="400"
          className={MobileTouchTarget}
          onClick={toggleVideo}
          outlined
          disabled={disabled || loading}
          aria-label={
            disabled ? 'Camera disabled in settings' : enabled ? 'Stop camera' : 'Start camera'
          }
          style={disabled ? { opacity: 0.4, cursor: 'not-allowed' } : undefined}
        >
          <Icon
            size="400"
            src={enabled ? Icons.VideoCamera : Icons.VideoCameraMute}
            filled={enabled}
          />
        </IconButton>
      )}
    </TooltipProvider>
  );
}

type ScreenShareButtonProps = {
  enabled: boolean;
  onToggle: () => void;
};
export function ScreenShareButton({ enabled, onToggle }: ScreenShareButtonProps) {
  return (
    <TooltipProvider
      position="Top"
      delay={500}
      tooltip={
        <Tooltip>
          <Text size="T200">{enabled ? 'Stop Screenshare' : 'Start Screenshare'}</Text>
        </Tooltip>
      }
    >
      {(anchorRef) => (
        <IconButton
          ref={anchorRef}
          variant={enabled ? 'Success' : 'Surface'}
          fill="Soft"
          radii="400"
          size="400"
          className={MobileTouchTarget}
          onClick={() => onToggle()}
          aria-label={enabled ? 'Stop Screenshare' : 'Start Screenshare'}
          outlined
        >
          <Icon size="400" src={Icons.ScreenShare} filled={enabled} />
        </IconButton>
      )}
    </TooltipProvider>
  );
}

export const FullscreenIcon = () => (
  <svg width="1em" height="1em" viewBox="0 0 24 24" fill="currentColor">
    <path d="M3 3h6v2H5v4H3V3zm12 0h6v6h-2V5h-4V3zM3 15h2v4h4v2H3v-6zm16 4h-4v2h6v-6h-2v4z" />
  </svg>
);

export const ExitFullscreenIcon = () => (
  <svg width="1em" height="1em" viewBox="0 0 24 24" fill="currentColor">
    <path d="M9 3H7v4H3v2h6V3zm6 0v6h6V7h-4V3h-2zM3 13v2h4v4h2v-6H3zm14 4v-4h2v6h-6v-2h4z" />
  </svg>
);

type FullscreenButtonProps = {
  isFullscreen: boolean;
  onToggle: () => void;
};
export function FullscreenButton({ isFullscreen, onToggle }: FullscreenButtonProps) {
  return (
    <TooltipProvider
      position="Top"
      delay={500}
      tooltip={
        <Tooltip>
          <Text size="T200">{isFullscreen ? 'Exit Fullscreen' : 'Fullscreen'}</Text>
        </Tooltip>
      }
    >
      {(anchorRef) => (
        <IconButton
          ref={anchorRef}
          variant="Surface"
          fill="Soft"
          radii="400"
          size="400"
          className={MobileTouchTarget}
          onClick={onToggle}
          aria-label={isFullscreen ? 'Exit Fullscreen' : 'Fullscreen'}
          outlined
        >
          {isFullscreen ? <ExitFullscreenIcon /> : <FullscreenIcon />}
        </IconButton>
      )}
    </TooltipProvider>
  );
}

type ScreenshareAudioButtonProps = {
  muted: boolean;
  onToggle: () => void;
};
export function ScreenshareAudioButton({ muted, onToggle }: ScreenshareAudioButtonProps) {
  return (
    <TooltipProvider
      position="Top"
      delay={500}
      tooltip={
        <Tooltip>
          <Text size="T200">{muted ? 'Unmute Screenshare Audio' : 'Mute Screenshare Audio'}</Text>
        </Tooltip>
      }
    >
      {(anchorRef) => (
        <IconButton
          ref={anchorRef}
          variant={muted ? 'Warning' : 'Surface'}
          fill="Soft"
          radii="400"
          size="400"
          className={MobileTouchTarget}
          onClick={onToggle}
          aria-label={muted ? 'Unmute Screenshare Audio' : 'Mute Screenshare Audio'}
          outlined
        >
          <Icon size="400" src={muted ? Icons.VolumeMute : Icons.VolumeHigh} filled={muted} />
        </IconButton>
      )}
    </TooltipProvider>
  );
}

export function ChatButton() {
  const [chat, setChat] = useAtom(callChatAtom);

  return (
    <TooltipProvider
      position="Top"
      delay={500}
      tooltip={
        <Tooltip>
          <Text size="T200">{chat ? 'Close Chat' : 'Open Chat'}</Text>
        </Tooltip>
      }
    >
      {(anchorRef) => (
        <IconButton
          ref={anchorRef}
          variant={chat ? 'Success' : 'Surface'}
          fill="Soft"
          radii="400"
          size="400"
          className={MobileTouchTarget}
          onClick={() => setChat(!chat)}
          aria-label={chat ? 'Close Chat' : 'Open Chat'}
          outlined
        >
          <Icon size="400" src={Icons.Message} filled={chat} />
        </IconButton>
      )}
    </TooltipProvider>
  );
}