package com.bernard.nodecames.model;

import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.UUID;

import org.hibernate.annotations.JdbcTypeCode;
import org.hibernate.type.SqlTypes;

import jakarta.annotation.Nullable;
import jakarta.persistence.AttributeConverter;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Column;
import jakarta.persistence.Convert;
import jakarta.persistence.Embedded;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import tools.jackson.databind.JsonNode;
import tools.jackson.databind.node.ArrayNode;
import tools.jackson.databind.node.JsonNodeFactory;

@NoArgsConstructor
@AllArgsConstructor
@Getter
@Setter
@Entity
public class Grid {

    @Id
    UUID id;

    @ManyToOne(optional = true)
    World w;

    //@Type(JsonType.class)
    @Column(columnDefinition = "json")
    @Convert(converter = GameEventListAdapter.class)
    @JdbcTypeCode(SqlTypes.JSON)
    List<GameEvent> gameEvents;
    
    @Embedded
    Hint currentHint = null;
    int currentGuessCount;

    int usedHints;
    int usedWhites;

    Phase phase;

    //TODO make this parameter a real Optional<Boolean> with Jdbc understanding that optional means nullable
    @Nullable
    Boolean won;

    @Embedded
    GridConfig config;

    public Grid(UUID id, World w, Phase phase, GridConfig config) {
        this(id, w, List.of(), null, 0, 0, 0, phase, null, config);
    }

    public void incrementHintCount() {
        this.setUsedHints(this.getUsedHints()+1);
    }
    public void incrementWhiteCount() {
        this.setUsedWhites(this.getUsedWhites()+1);
    }
    public void incrementCurrentGuessCount() {
        this.setCurrentGuessCount(this.getCurrentGuessCount()+1);
    }
    public void newGameEvent(GameEvent event) {
        this.gameEvents = new ArrayList<>(gameEvents);
        this.gameEvents.add(event);
    }
    public Optional<Boolean> isWonOpt() {
        return Optional.ofNullable(this.won);
    }
    public void setWonOpt(Optional<Boolean> won) {
        this.won = won.orElse(null);
    }

    @AllArgsConstructor
    @Getter
    public enum Phase {

        HINTING_A('A', ' ', false, false, false),
        HINTING_B('B', ' ', false, false, false),
        GUESSING_A(' ', 'A', false, false, false),
        GUESSING_B(' ', 'B', false, false, false),
        HINTING_BOTH('_', ' ', false, false, false),
        SUDDEN_DEATH_BOTH(' ', '_', true, false, false),
        SUDDEN_DEATH_A(' ', 'A', true, false, false),
        SUDDEN_DEATH_B(' ', 'B', true, false, false),
        GAME_ENDED(' ', ' ', false, true, false),
        // We could go to sudden death OR wait for more hints
        NEED_MORE_HINTS_A('A', ' ', false, false, false),
        NEED_MORE_HINTS_B('B', ' ', false, false, false),
        // We can wait for SUDDEN_DEATH to be unlocked, or wait for more hints
        NEED_MORE_HINTS_OR_SUDDEN_DEATH_A('A', ' ', false, false, true),
        NEED_MORE_HINTS_OR_SUDDEN_DEATH_B('B', ' ', false, false, true),
        // We can only wait for suddenDeath to be unlocked
        NEED_SUDDEN_DEATH(' ', ' ', true, false, true),
        // We can either end guessing, or wait for possibility to do one more guess
        WAITING_FOR_ONE_MORE_A(' ', 'A', false, false, false),
        WAITING_FOR_ONE_MORE_B(' ', 'B', false, false, false),
        // We should have lost the game, we win it if we unlock onlyOneGreenGreen
        WIN_IF_GREEN_GREEN(' ', ' ', false, false, true);

        // ' ' is none, 'A' is A, 'B' is B, '_' is both
        private char hinting;
        private char guessing;
        private boolean suddenDeath;
        private boolean gameEnded;
        private boolean locked;

        public boolean isHinting(char player) {
            return (this == HINTING_BOTH) || (this == ((player == 'A')?HINTING_A:HINTING_B));
        }
        public boolean isGuessing(char player) {
            return this == guessing(player) || this == suddenDeathOnly(player) || this == SUDDEN_DEATH_BOTH;
        }
        public boolean isAnyoneGuessing() {
            return isGuessing('A') || isGuessing('B');
        }
        public static Phase hinting(char player) {
            return (player == '_')?HINTING_BOTH:((player == 'A')?HINTING_A:HINTING_B);
        }
        public static Phase guessing(char player) {
            return (player == 'A')?GUESSING_A:GUESSING_B;
        }
        public static Phase suddenDeathOnly(char player) {
            return (player == 'A')?SUDDEN_DEATH_A:SUDDEN_DEATH_B;
        }
        public static Phase needMoreHints(char player) {
            return (player == 'A')?NEED_MORE_HINTS_A:NEED_MORE_HINTS_B;
        }
        public static Phase needMoreHintsOrSuddenDeath(char player) {
            return (player == 'A')?NEED_MORE_HINTS_OR_SUDDEN_DEATH_A:NEED_MORE_HINTS_OR_SUDDEN_DEATH_B;
        }
        public static Phase waitingForOneMore(char player) {
            return (player == 'A')?WAITING_FOR_ONE_MORE_A:WAITING_FOR_ONE_MORE_B;
        }
        public boolean isWaitingForOneMore() {
            return this == WAITING_FOR_ONE_MORE_A || this == WAITING_FOR_ONE_MORE_B;
        }
        public boolean canPlay() {
            return !this.isGameEnded() && !this.isLocked();
        }
        public boolean isNeedMoreHints() {
            return this == NEED_MORE_HINTS_A || this == NEED_MORE_HINTS_B;
        }
        public boolean isNeedMoreHintsOrSuddenDeath() {
            return this == NEED_MORE_HINTS_OR_SUDDEN_DEATH_A || this == NEED_MORE_HINTS_OR_SUDDEN_DEATH_B;
        }
    }

    @AllArgsConstructor
    public static class GameEventListAdapter implements AttributeConverter<List<GameEvent>, JsonNode> {

        JsonNodeFactory jsn;

        @Override
        public JsonNode convertToDatabaseColumn(List<GameEvent> attribute) {
            ArrayNode out = jsn.arrayNode(attribute.size());
            for(GameEvent ge : attribute) {
                out.add(GameEvent.toJsonNode(ge));
            }
            return out;
        }

        @Override
        public List<GameEvent> convertToEntityAttribute(JsonNode dbData) {
            return dbData.asArray().valueStream().map(GameEvent::fromJsonNode).toList();
        }
        
    }
}