import {

  View,

  Text,

  StyleSheet,

  KeyboardAvoidingView,

  ScrollView,

} from "react-native";

import { useState } from "react";

import { router, useLocalSearchParams } from "expo-router";

import { Card } from "@/components/ui/Cards";

import { TextArea } from "@/components/ui/Input";

import { Button } from "@/components/ui/Button";

import { Section, SectionHeader } from "@/components/ui/Sections";

import { Spacing, Typography, Colors, BorderRadius } from "@/constants/theme";

import { Ionicons, MaterialIcons } from "@expo/vector-icons";

import { useCreateTrigger, useMoodEntries, useLinkMoodToTrigger } from "@/hooks";

import { CategoryChips, CategoryOption } from "@/components/ui/CategoryChips";

import { TriggerCategory } from "@/constants/triggers";

import { TRIGGER_CATEGORY_DEFINITIONS } from "@/constants/trigger-categories";

import { TimePicker } from "@/components/ui/TimePicker";

import { getMood } from "@/constants/moods";

import { LinkRow } from "@/components/ui/LinkRow";

const TRIGGER_CATEGORIES: CategoryOption<TriggerCategory>[] =

  TRIGGER_CATEGORY_DEFINITIONS.map((d) => ({

    label: d.label,

    value: d.id,

    icon: <MaterialIcons size={16} color={d.color} name={d.icon} />,

  }));

export default function NewTrigger() {

  const [moment, setMoment] = useState(new Date());

  const [comment, setComment] = useState("");

  const { category: initialCategory, moodId: linkedMoodId } = useLocalSearchParams<{ category?: string; moodId?: string }>();

  const [category, setCategory] = useState(initialCategory ?? "WORK");

  const createTrigger = useCreateTrigger();

  const linkMoodToTrigger = useLinkMoodToTrigger();

  const [linkMood, setLinkMood] = useState(false);

  const { data: moodEntries, isLoading: isLoadingMood } = useMoodEntries({

    limit: 1,

  });

  const latestMood = moodEntries?.entries[0] ?? null;

  const moodDef = latestMood

    ? getMood(latestMood.selectedMood.toLowerCase())

    : null;

  const save = async () => {

    const data = {

      moment,

      comment,

      category,

      ...(linkMood && latestMood ? { moodId: latestMood.id } : null),

    };

    const result = await createTrigger.mutateAsync(data);

    if (linkedMoodId) {

      await linkMoodToTrigger.mutateAsync({

        triggerId: String(result.trigger.id),

        moodId: linkedMoodId,

        perceivedImpact: 3,

      });

      router.back();

    } else {

      router.replace("/(tabs)/actions");

    }

  };

  return (

    <KeyboardAvoidingView behavior="height" style={styles.keyboardView}>

      <ScrollView scrollEventThrottle={16}>

        <View style={styles.container}>

          <View style={styles.header}>

            <View style={styles.innerHeaderWrapper}>

              <View style={[styles.headerIcon, { backgroundColor: "#FFF7ED" }]}>

                <Ionicons name="flash-outline" size={20} color="#EA580C" />

              </View>

              <View style={styles.headerTitleSubtitle}>

                <Text style={styles.headerTitle}>Aconteceu algo?</Text>

                <Text style={styles.headerSubtitle}>

                  Registre acontecimentos fora do padrão

                </Text>

              </View>

            </View>

            <Text style={styles.description}>

              Identificar gatilhos ajuda a entender melhor seus padrões

              emocionais

            </Text>

          </View>

          <Section>

            <SectionHeader title="Horário do Evento" />

            <TimePicker value={moment} onChange={setMoment} />

          </Section>

          <Section>

            <SectionHeader title="Selecionar uma categoria" />

            <CategoryChips

              options={TRIGGER_CATEGORIES}

              active={category}

              onChange={setCategory}

            />

          </Section>

          <Section>

            <SectionHeader title="Adicione detalhes" />

            <Card style={styles.mainCard}>

              <TextArea

                label="Comentários sobre"

                variant="darkGhost"

                onChangeText={(val) => setComment(val)}

                value={comment}

                minRows={5}

                maxRows={10}

                placeholder="Descreva o que gerou esse sentimento"

              />

            </Card>

          </Section>

          <Section>

            <SectionHeader title="Vincular registro" />

            <LinkRow

              icon={

                <View

                  style={[styles.iconWrap, { backgroundColor: "transparent" }]}

                >

                  <Text style={styles.moodIconEmoji}>

                    {moodDef?.icon ?? "😐"}

                  </Text>

                </View>

              }

              label="Humor atual"

              sublabel={

                isLoadingMood ? "..." : (moodDef?.label ?? "Nenhum registrado")

              }

              disabled={!latestMood}

              value={linkMood && !!latestMood}

              onToggle={setLinkMood}

            />

            <LinkRow

              icon={

                <MaterialIcons

                  name="psychology"

                  size={40}

                  color={Colors.light.disabled}

                />

              }

              label="Prática"

              sublabel={"Nenhuma registrada"}

              disabled={true}

              value={false}

              onToggle={() => {

                console.log("When we get that");

              }}

            />

          </Section>

          <Button title="Salvar Registro" onPress={save} />

        </View>

      </ScrollView>

    </KeyboardAvoidingView>

  );

}

const styles = StyleSheet.create({

  container: {

    gap: 24,

    paddingHorizontal: Spacing.containerPadding,

    paddingVertical: Spacing.sectionGap,

    marginBottom: 50,

  },

  mainCard: {

    padding: Spacing.cardGap,

  },

  // Header

  header: {},

  headerIcon: {

    paddingVertical: 15,

    paddingHorizontal: 14,

    width: 48,

    borderRadius: BorderRadius.md,

  },

  innerHeaderWrapper: {

    flex: 1,

    flexDirection: "row",

    alignItems: "center",

  },

  headerTitleSubtitle: {

    marginLeft: 10,

  },

  headerTitle: {

    ...Typography.headlineMd,

  },

  headerSubtitle: {

    ...Typography.bodyMd,

    color: Colors.light.textSecondary,

  },

  description: {

    ...Typography.bodyMd,

    color: Colors.light.textSecondary,

    marginTop: 20,

  },

  keyboardView: {

    flex: 1,

  },

  moodIconEmoji: {

    fontSize: 26,

  },

  iconWrap: {

    width: 40,

    height: 40,

    borderRadius: 20,

    alignItems: "center",

    justifyContent: "center",

    marginTop: 1,

  },

});