import { useState } from "react";
import { StyleSheet, View, ActivityIndicator } from "react-native";

import { Text } from "@/components/ui/Text";
import { ScreenLayout } from "@/components/ui/ScreenLayout";
import { useAuth } from "@/context/AuthContext";
import { Col, Between } from "@/components/ui/LayoutHelpers";
import { Card } from "@/components/ui/Cards";
import { Button } from "@/components/ui/Button";
import { Section, SectionHeader } from "@/components/ui/Sections";
import { MoodSelector } from "@/components/ui/EmojiSelectors";
import {
  Typography,
  Shadows,
  Colors,
  BorderRadius,
} from "@/constants/theme";
import { router } from "expo-router";
import { MOODS } from "@/constants/moods";

import { useMoodEntries } from "@/hooks";

import MoodEntryLog from "@/components/ui/MoodEntryLog";
import { DailyEnergyWidget } from "@/components/ui/DailyEnergyWidget";
import { DailySleepWidget } from "@/components/ui/DailySleepWidget";
import { EmptyState } from "@/components/ui/EmptyState";

export default function New() {
  const { user } = useAuth();
  const [mood, setMood] = useState<string>("good");
  const { data, isLoading } = useMoodEntries({ limit: 5 });
  const recentEntries = data?.entries ?? [];

  const initQuickRegister = () => {
    // TODO: Set down on camelCase vs kebab case
    router.navigate(`/new/entry?initialMood=${mood}`);
  };

  return (
    <ScreenLayout
      userName={user?.firstName}
      userAvatar={user?.avatarURL}
      showNotificationBadge={true}
    >
      <Section>
        <SectionHeader
          title="Como você está hoje?"
          subtitle="Sua jornada começa agora"
          testID="text-welcome-quick-register"
        ></SectionHeader>

        <Card style={{ minHeight: 200 }} testID="card-quick-register">
          <Col gap={16}>
            <Between style={styles.quickRegisterHeader}>
              <Text style={styles.quickRegisterTitle}>
                Registro rápido
              </Text>

              <Text style={styles.quickRegisterBadge}>HOJE</Text>
            </Between>

            <MoodSelector
              style={{ paddingLeft: 8, paddingRight: 8, paddingTop: 16 }}
              items={MOODS}
              value={mood}
              onSelect={setMood}
            />

            <Button
              title="Salvar Humor"
              onPress={initQuickRegister}
              style={styles.quickRegisterButton}
              testID="button-save-mood"
            />
          </Col>
        </Card>
      </Section>

      {/* TODO: Check whether we gonna have to generate these on demand */}
      <Section>
        <SectionHeader title="Entre hoje e ontem" />

        <View
          style={[
            {
              flexDirection: "row",
              gap: 16,
            },
          ]}
        >
          <View style={{ flex: 1 }}>
            <DailyEnergyWidget />
          </View>

          <View style={{ flex: 1 }}>
            <DailySleepWidget />
          </View>
        </View>
      </Section>

      <Section>
        <SectionHeader title="Registros recentes" />

        {isLoading ? (
          <ActivityIndicator />
        ) : recentEntries.length === 0 ? (
          <EmptyState
            title="Nenhum registro ainda"
            subtitle="Seus registros de humor aparecerão aqui."
          />
        ) : (
          <Col gap={8}>
            {recentEntries.map((entry) => (
              <MoodEntryLog key={entry.id} entry={entry} />
            ))}
          </Col>
        )}
      </Section>
    </ScreenLayout>
  );
}

const styles = StyleSheet.create({
  quickRegisterHeader: {
    marginTop: 16,
    paddingLeft: 16,
    paddingRight: 16,
  },
  quickRegisterTitle: {
    ...Typography.bodyLg,
  },
  // TODO: Replace when we have badges
  quickRegisterBadge: {
    fontSize: 12,
    lineHeight: 16,
  },
  quickRegisterButton: {
    marginLeft: 16,
    marginRight: 16,
    marginBottom: 16,
    ...Shadows.lg,
  },
  lineTrack: {
    height: 6,
    backgroundColor: Colors.light.divider,
    borderRadius: BorderRadius.full,
    marginBottom: 4,
    overflow: "hidden",
  },
  lineFill: {
    height: "100%",
    backgroundColor: Colors.light.tint,
    borderRadius: BorderRadius.full,
  },
  indicatorGreen: {
    color: Colors.light.tint,
    fontSize: 11,
    fontWeight: 600,
    lineHeight: 16.5,
  },
});