import { router } from "expo-router";
import { Alert, ScrollView, View } from "react-native";
import { useTranslation } from "react-i18next";
import { Badge } from "@/components/ui/Badge";
import { Button } from "@/components/ui/Button";
import { Card } from "@/components/ui/Card";
import { AppHeader } from "@/components/ui/Header";
import { Screen } from "@/components/ui/Screen";
import { Text } from "@/components/ui/Text";
import { useFamilyStore } from "@/lib/stores/familyStore";
import { colors, gutter } from "@/lib/theme";
import { routes } from "@/lib/routes";

export default function FamilyScreen() {
  const { t } = useTranslation();
  const members = useFamilyStore((s) => s.members);
  const inviteCode = useFamilyStore((s) => s.inviteCode);
  const acceptInvite = useFamilyStore((s) => s.acceptInvite);
  const removeMember = useFamilyStore((s) => s.removeMember);
  const setActiveMember = useFamilyStore((s) => s.setActiveMember);
  const activeMemberId = useFamilyStore((s) => s.activeMemberId);

  return (
    <Screen>
      <AppHeader title={t("common.family")} subtitle="Manage members and shared care" />
      <ScrollView contentContainerStyle={{ paddingHorizontal: gutter, paddingBottom: 40, gap: 12 }}>
        <Card tone="brand" elevated={false}>
          <Text variant="caption" color={colors.muted}>
            Your invite code
          </Text>
          <Text variant="h1" style={{ marginTop: 4 }}>
            {inviteCode}
          </Text>
          <Text variant="bodySm" color={colors.muted} style={{ marginTop: 6 }}>
            Share this code so family can join your care circle.
          </Text>
        </Card>

        <Button
          title={t("common.inviteFamily")}
          icon="person-add-outline"
          onPress={() => router.push(routes.familyInvite)}
        />

        {members.map((m) => (
          <Card
            key={m.id}
            onPress={() => setActiveMember(m.id === activeMemberId ? null : m.id)}
            style={{
              borderColor: activeMemberId === m.id ? colors.brand : colors.line,
              borderWidth: activeMemberId === m.id ? 1.5 : 1,
            }}
          >
            <View style={{ flexDirection: "row", justifyContent: "space-between", gap: 12 }}>
              <View style={{ flex: 1 }}>
                <Text variant="h3">{m.name}</Text>
                <Text variant="caption" color={colors.subtle} style={{ marginTop: 4 }}>
                  {m.relationship}
                  {m.phone ? ` · ${m.phone}` : ""}
                </Text>
              </View>
              <Badge
                label={m.status}
                tone={m.status === "accepted" ? "brand" : "warn"}
              />
            </View>
            <View style={{ flexDirection: "row", gap: 16, marginTop: 12 }}>
              {m.status === "pending" ? (
                <Button
                  title="Accept"
                  size="sm"
                  fullWidth={false}
                  onPress={() => acceptInvite(m.id)}
                />
              ) : null}
              <Button
                title="Remove"
                size="sm"
                variant="ghost"
                fullWidth={false}
                onPress={() =>
                  Alert.alert("Remove member?", m.name, [
                    { text: "Cancel", style: "cancel" },
                    { text: "Remove", style: "destructive", onPress: () => removeMember(m.id) },
                  ])
                }
              />
            </View>
          </Card>
        ))}
      </ScrollView>
    </Screen>
  );
}