package org.bukkit;

import java.time.Duration;
import java.time.Instant;
import java.util.Date;
import java.util.UUID;
import org.bukkit.ban.ProfileBanList;
import org.bukkit.configuration.serialization.ConfigurationSerializable;
import org.bukkit.entity.AnimalTamer;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import org.bukkit.permissions.ServerOperator;
import org.bukkit.profile.PlayerProfile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * Represents a reference to a player identity and the data belonging to a
 * player that is stored on the disk and can, thus, be retrieved without the
 * player needing to be online.
 */
public interface OfflinePlayer extends ServerOperator, AnimalTamer, ConfigurationSerializable {

    /**
     * Checks if this player is currently online
     *
     * @return true if they are online
     */
    public boolean isOnline();

    /**
     * Returns the name of this player
     * <p>
     * Names are no longer unique past a single game session. For persistent storage
     * it is recommended that you use {@link #getUniqueId()} instead.
     *
     * @return Player name or null if we have not seen a name for this player yet
     */
    @Override
    @Nullable
    public String getName();

    /**
     * Returns the UUID of this player
     *
     * @return Player UUID
     */
    @Override
    @NotNull
    public UUID getUniqueId();

    /**
     * Gets a copy of the player's profile.
     * <p>
     * If the player is online, the returned profile will be complete.
     * Otherwise, only the unique id is guaranteed to be present. You can use
     * {@link PlayerProfile#update()} to complete the returned profile.
     *
     * @return the player's profile
     */
    @NotNull
    PlayerProfile getPlayerProfile();

    /**
     * Checks if this player has had their profile banned.
     *
     * @return true if banned, otherwise false
     */
    public boolean isBanned();

    /**
     * Adds this user to the {@link ProfileBanList}. If a previous ban exists, this will
     * update the entry.
     *
     * @param reason reason for the ban, null indicates implementation default
     * @param expires date for the ban's expiration (unban), or null to imply
     *     forever
     * @param source source of the ban, null indicates implementation default
     * @return the entry for the newly created ban, or the entry for the
     *     (updated) previous ban
     */
    @Nullable
    public BanEntry<PlayerProfile> ban(@Nullable String reason, @Nullable Date expires, @Nullable String source);

    /**
     * Adds this user to the {@link ProfileBanList}. If a previous ban exists, this will
     * update the entry.
     *
     * @param reason reason for the ban, null indicates implementation default
     * @param expires instant for the ban's expiration (unban), or null to imply
     *     forever
     * @param source source of the ban, null indicates implementation default
     * @return the entry for the newly created ban, or the entry for the
     *     (updated) previous ban
     */
    @Nullable
    public BanEntry<PlayerProfile> ban(@Nullable String reason, @Nullable Instant expires, @Nullable String source);

    /**
     * Adds this user to the {@link ProfileBanList}. If a previous ban exists, this will
     * update the entry.
     *
     * @param reason reason for the ban, null indicates implementation default
     * @param duration how long the ban last, or null to imply
     *     forever
     * @param source source of the ban, null indicates implementation default
     * @return the entry for the newly created ban, or the entry for the
     *     (updated) previous ban
     */
    @Nullable
    public BanEntry<PlayerProfile> ban(@Nullable String reason, @Nullable Duration duration, @Nullable String source);

    /**
     * Checks if this player is whitelisted or not
     *
     * @return true if whitelisted
     */
    public boolean isWhitelisted();

    /**
     * Sets if this player is whitelisted or not
     *
     * @param value true if whitelisted
     */
    public void setWhitelisted(boolean value);

    /**
     * Gets a {@link Player} object that this represents, if there is one
     * <p>
     * If the player is online, this will return that player. Otherwise,
     * it will return null.
     *
     * @return Online player
     */
    @Nullable
    public Player getPlayer();

    /**
     * Gets the first date and time that this player was witnessed on this
     * server.
     * <p>
     * If the player has never played before, this will return 0. Otherwise,
     * it will be the amount of milliseconds since midnight, January 1, 1970
     * UTC.
     *
     * @return Date of first log-in for this player, or 0
     */
    public long getFirstPlayed();

    /**
     * Gets the last date and time that this player was witnessed on this
     * server.
     * <p>
     * If the player has never played before, this will return 0. Otherwise,
     * it will be the amount of milliseconds since midnight, January 1, 1970
     * UTC.
     *
     * @return Date of last log-in for this player, or 0
     */
    public long getLastPlayed();

    /**
     * Checks if this player has played on this server before.
     *
     * @return True if the player has played before, otherwise false
     */
    public boolean hasPlayedBefore();

    /**
     * Gets the Location where the player will spawn at their bed, null if
     * they have not slept in one or their current bed spawn is invalid.
     *
     * @return Bed Spawn Location if bed exists, otherwise null.
     *
     * @see #getRespawnLocation()
     * @deprecated Misleading name. This method also returns the location of
     * respawn anchors.
     */
    @Nullable
    @Deprecated
    public Location getBedSpawnLocation();

    /**
     * Gets the Location where the player will spawn at, null if they
     * don't have a valid respawn point.
     *
     * @return respawn location if exists, otherwise null.
     */
    @Nullable
    public Location getRespawnLocation();

    /**
     * Increments the given statistic for this player.
     * <p>
     * This is equivalent to the following code:
     * <code>incrementStatistic(Statistic, 1)</code>
     *
     * @param statistic Statistic to increment
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if the statistic requires an
     *     additional parameter
     */
    public void incrementStatistic(@NotNull Statistic statistic) throws IllegalArgumentException;

    /**
     * Decrements the given statistic for this player.
     * <p>
     * This is equivalent to the following code:
     * <code>decrementStatistic(Statistic, 1)</code>
     *
     * @param statistic Statistic to decrement
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if the statistic requires an
     *     additional parameter
     */
    public void decrementStatistic(@NotNull Statistic statistic) throws IllegalArgumentException;

    /**
     * Increments the given statistic for this player.
     *
     * @param statistic Statistic to increment
     * @param amount Amount to increment this statistic by
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if amount is negative
     * @throws IllegalArgumentException if the statistic requires an
     *     additional parameter
     */
    public void incrementStatistic(@NotNull Statistic statistic, int amount) throws IllegalArgumentException;

    /**
     * Decrements the given statistic for this player.
     *
     * @param statistic Statistic to decrement
     * @param amount Amount to decrement this statistic by
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if amount is negative
     * @throws IllegalArgumentException if the statistic requires an
     *     additional parameter
     */
    public void decrementStatistic(@NotNull Statistic statistic, int amount) throws IllegalArgumentException;

    /**
     * Sets the given statistic for this player.
     *
     * @param statistic Statistic to set
     * @param newValue The value to set this statistic to
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if newValue is negative
     * @throws IllegalArgumentException if the statistic requires an
     *     additional parameter
     */
    public void setStatistic(@NotNull Statistic statistic, int newValue) throws IllegalArgumentException;

    /**
     * Gets the value of the given statistic for this player.
     *
     * @param statistic Statistic to check
     * @return the value of the given statistic
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if the statistic requires an
     *     additional parameter
     */
    public int getStatistic(@NotNull Statistic statistic) throws IllegalArgumentException;

    /**
     * Increments the given statistic for this player for the given material.
     * <p>
     * This is equivalent to the following code:
     * <code>incrementStatistic(Statistic, Material, 1)</code>
     *
     * @param statistic Statistic to increment
     * @param material Material to offset the statistic with
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if material is null
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public void incrementStatistic(@NotNull Statistic statistic, @NotNull Material material) throws IllegalArgumentException;

    /**
     * Decrements the given statistic for this player for the given material.
     * <p>
     * This is equivalent to the following code:
     * <code>decrementStatistic(Statistic, Material, 1)</code>
     *
     * @param statistic Statistic to decrement
     * @param material Material to offset the statistic with
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if material is null
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public void decrementStatistic(@NotNull Statistic statistic, @NotNull Material material) throws IllegalArgumentException;

    /**
     * Gets the value of the given statistic for this player.
     *
     * @param statistic Statistic to check
     * @param material Material offset of the statistic
     * @return the value of the given statistic
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if material is null
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public int getStatistic(@NotNull Statistic statistic, @NotNull Material material) throws IllegalArgumentException;

    /**
     * Increments the given statistic for this player for the given material.
     *
     * @param statistic Statistic to increment
     * @param material Material to offset the statistic with
     * @param amount Amount to increment this statistic by
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if material is null
     * @throws IllegalArgumentException if amount is negative
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public void incrementStatistic(@NotNull Statistic statistic, @NotNull Material material, int amount) throws IllegalArgumentException;

    /**
     * Decrements the given statistic for this player for the given material.
     *
     * @param statistic Statistic to decrement
     * @param material Material to offset the statistic with
     * @param amount Amount to decrement this statistic by
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if material is null
     * @throws IllegalArgumentException if amount is negative
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public void decrementStatistic(@NotNull Statistic statistic, @NotNull Material material, int amount) throws IllegalArgumentException;

    /**
     * Sets the given statistic for this player for the given material.
     *
     * @param statistic Statistic to set
     * @param material Material to offset the statistic with
     * @param newValue The value to set this statistic to
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if material is null
     * @throws IllegalArgumentException if newValue is negative
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public void setStatistic(@NotNull Statistic statistic, @NotNull Material material, int newValue) throws IllegalArgumentException;

    /**
     * Increments the given statistic for this player for the given entity.
     * <p>
     * This is equivalent to the following code:
     * <code>incrementStatistic(Statistic, EntityType, 1)</code>
     *
     * @param statistic Statistic to increment
     * @param entityType EntityType to offset the statistic with
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if entityType is null
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public void incrementStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType) throws IllegalArgumentException;

    /**
     * Decrements the given statistic for this player for the given entity.
     * <p>
     * This is equivalent to the following code:
     * <code>decrementStatistic(Statistic, EntityType, 1)</code>
     *
     * @param statistic Statistic to decrement
     * @param entityType EntityType to offset the statistic with
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if entityType is null
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public void decrementStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType) throws IllegalArgumentException;

    /**
     * Gets the value of the given statistic for this player.
     *
     * @param statistic Statistic to check
     * @param entityType EntityType offset of the statistic
     * @return the value of the given statistic
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if entityType is null
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public int getStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType) throws IllegalArgumentException;

    /**
     * Increments the given statistic for this player for the given entity.
     *
     * @param statistic Statistic to increment
     * @param entityType EntityType to offset the statistic with
     * @param amount Amount to increment this statistic by
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if entityType is null
     * @throws IllegalArgumentException if amount is negative
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public void incrementStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType, int amount) throws IllegalArgumentException;

    /**
     * Decrements the given statistic for this player for the given entity.
     *
     * @param statistic Statistic to decrement
     * @param entityType EntityType to offset the statistic with
     * @param amount Amount to decrement this statistic by
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if entityType is null
     * @throws IllegalArgumentException if amount is negative
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public void decrementStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType, int amount);

    /**
     * Sets the given statistic for this player for the given entity.
     *
     * @param statistic Statistic to set
     * @param entityType EntityType to offset the statistic with
     * @param newValue The value to set this statistic to
     * @throws IllegalArgumentException if statistic is null
     * @throws IllegalArgumentException if entityType is null
     * @throws IllegalArgumentException if newValue is negative
     * @throws IllegalArgumentException if the given parameter is not valid
     *     for the statistic
     */
    public void setStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType, int newValue);

    /**
     * Gets the player's last death location.
     *
     * @return the last death location if it exists, otherwise null.
     */
    @Nullable
    public Location getLastDeathLocation();

    /**
     * Gets the player's current location.
     *
     * @return the player's location, {@code null} if player hasn't ever played
     * before.
     */
    @Nullable
    public Location getLocation();
}