import { useState } from 'react';
import { Pressable, Text, View } from 'react-native';
import {
  CircleCheckBig,
  CircleDot,
  Pencil,
  Trash2,
  Users,
} from 'lucide-react-native';
import { cn } from '@/lib/utils';
import { BottomSheet } from '@/components/BottomSheet';

export type StreamActionId =
  | 'toggle-status'
  | 'rename'
  | 'members'
  | 'edit-particle'
  | 'delete-particle';

interface StreamActionsSheetProps {
  open: boolean;
  onClose: () => void;
  onSelect: (action: StreamActionId) => void;
  streamStatus: 'open' | 'closed';
  isCreator: boolean;
  /** True when the *current* particle is a text particle this user authored. */
  canEditParticle: boolean;
  /** True when the *current* particle is one this user can soft-delete. */
  canDeleteParticle: boolean;
}

export function StreamActionsSheet({
  open,
  onClose,
  onSelect,
  streamStatus,
  isCreator,
  canEditParticle,
  canDeleteParticle,
}: StreamActionsSheetProps) {
  // Hold the picked action until the sheet's Modal has fully unmounted, then
  // dispatch. Follow-ups like rename/members open another Modal and "delete
  // particle" shows an Alert — both are iOS Modals, and iOS will not present
  // a second Modal while another is still on screen. Without this defer, the
  // tap appears to do nothing and the app feels frozen behind a phantom
  // overlay until the close animation finishes.
  const [pending, setPending] = useState<StreamActionId | null>(null);

  const choose = (id: StreamActionId) => {
    setPending(id);
    onClose();
  };

  const handleClosed = () => {
    if (pending) {
      onSelect(pending);
      setPending(null);
    }
  };

  return (
    <BottomSheet open={open} onClose={onClose} onClosed={handleClosed}>
      <View className="py-2">
        <ActionRow
          icon={
            streamStatus === 'open' ? (
              <CircleCheckBig color="white" size={20} />
            ) : (
              <CircleDot color="#22c55e" size={20} />
            )
          }
          label={streamStatus === 'open' ? 'Close stream' : 'Reopen stream'}
          onPress={() => choose('toggle-status')}
        />
        <ActionRow
          icon={<Users color="white" size={20} />}
          label="Members"
          onPress={() => choose('members')}
        />
        {isCreator ? (
          <ActionRow
            icon={<Pencil color="white" size={20} />}
            label="Rename stream"
            onPress={() => choose('rename')}
          />
        ) : null}
        {canEditParticle ? (
          <ActionRow
            icon={<Pencil color="white" size={20} />}
            label="Edit particle"
            onPress={() => choose('edit-particle')}
          />
        ) : null}
        {canDeleteParticle ? (
          <ActionRow
            icon={<Trash2 color="#ef4444" size={20} />}
            label="Delete particle"
            tone="destructive"
            onPress={() => choose('delete-particle')}
          />
        ) : null}
      </View>

      <View className="px-5 pt-2 pb-2">
        <Pressable
          onPress={onClose}
          className="bg-white/10 active:bg-white/15 rounded-xl py-3 items-center"
        >
          <Text className="text-white text-base font-semibold">Cancel</Text>
        </Pressable>
      </View>
    </BottomSheet>
  );
}

function ActionRow({
  icon,
  label,
  onPress,
  tone = 'default',
}: {
  icon: React.ReactNode;
  label: string;
  onPress: () => void;
  tone?: 'default' | 'destructive';
}) {
  return (
    <Pressable
      onPress={onPress}
      className="px-5 py-3.5 flex-row items-center gap-3 active:bg-white/5"
    >
      <View className="w-6 items-center">{icon}</View>
      <Text
        className={cn(
          'text-base',
          tone === 'destructive' ? 'text-red-400' : 'text-white',
        )}
      >
        {label}
      </Text>
    </Pressable>
  );
}