package net.knarcraft.paidsigns.container;

import net.knarcraft.paidsigns.PaidSigns;
import net.knarcraft.paidsigns.property.OptionState;

import java.util.HashMap;
import java.util.Map;

/**
 * A representation of a paid sign
 */
public class PaidSign {

    private final String name;
    private final double cost;
    private final String permission;
    private final OptionState ignoreCase;
    private final OptionState ignoreColor;
    private final Map<Short, PaidSignCondition> conditions = new HashMap<>();

    /**
     * Instantiates a new paid sign
     *
     * @param name        <p>A recognizable, unique, name used to identify this paid sign</p>
     * @param cost        <p>The cost of creating this paid sign</p>
     * @param permission  <p>The permission required to create the sign this paid sign matches</p>
     * @param ignoreCase  <p>Whether to ignore case when looking for this permission sign</p>
     * @param ignoreColor <p>Whether to ignore color when looking for this permission sign</p>
     */
    public PaidSign(String name, double cost, String permission, OptionState ignoreCase, OptionState ignoreColor) {
        if (name == null || name.trim().isBlank()) {
            throw new IllegalArgumentException("Name cannot be empty");
        }
        if (cost <= 0) {
            throw new IllegalArgumentException("Cost must be larger than 0");
        }
        if (ignoreCase == null || ignoreColor == null) {
            throw new IllegalArgumentException("Ignore case and ignore color options cannot be null");
        }
        this.name = name;
        this.cost = cost;
        this.permission = permission;
        this.ignoreCase = ignoreCase;
        this.ignoreColor = ignoreColor;
    }

    /**
     * Gets the name identifying this paid sign
     *
     * @return <p>The name identifying this paid sign</p>
     */
    public String getName() {
        return name;
    }

    /**
     * Gets the cost of creating a sign matching this paid sign
     *
     * @return <p>The cost of creating a sign matching this paid sign</p>
     */
    public double getCost() {
        return this.cost;
    }

    /**
     * Gets the permission required by a player to create the sign this paid sign matches
     *
     * @return <p>The permission required by a player to create the sign this paid sign matches</p>
     */
    public String getPermission() {
        return this.permission;
    }

    /**
     * Gets all conditions registered for this paid sign
     *
     * @return <p>All conditions registered for this paid sign</p>
     */
    public Map<Short, PaidSignCondition> getConditions() {
        return new HashMap<>(this.conditions);
    }

    /**
     * Gets whether the text case should be ignored for this paid sign
     *
     * @return <p>Whether the text case should be ignored for this paid sign</p>
     */
    public boolean getIgnoreCase() {
        return OptionState.getBooleanValue(this.ignoreCase, PaidSigns.getInstance().ignoreCase());
    }

    /**
     * Gets whether the text color should be ignored for this paid sign
     *
     * @return <p>Whether the text color should be ignored for this paid sign</p>
     */
    public boolean getIgnoreColor() {
        return OptionState.getBooleanValue(this.ignoreColor, PaidSigns.getInstance().ignoreColor());
    }

    /**
     * Checks whether this paid sign matches the given set of sign lines
     *
     * @param lines <p>The sign lines to test against</p>
     * @return <p>True if this paid sign matches the given lines</p>
     */
    public boolean matches(String[] lines) {
        //Make sure a paid sign without a condition never matches anything
        if (this.conditions.isEmpty()) {
            return false;
        }
        boolean success = true;
        for (short i = 0; i < 4; i++) {
            PaidSignCondition condition = this.conditions.get(i);
            if (condition != null) {
                success = success && condition.test(lines[i]);
            }
        }
        return success;
    }

    /**
     * Adds a condition to this paid sign
     *
     * @param line          <p>The line on the sign the matched text must be on</p>
     * @param stringToMatch <p>The string that should be matched for the new condition to be true</p>
     * @param executeRegex  <p>Whether to execute the string as RegEx</p>
     * @param ignoreCase    <p>Whether to ignore case when matching against the condition</p>
     * @param ignoreColor   <p>Whether to ignore color when matching against the condition</p>
     */
    public void addCondition(short line, String stringToMatch, boolean executeRegex, OptionState ignoreCase, OptionState ignoreColor) {
        if (line < 0 || line > 3) {
            throw new IllegalArgumentException("Invalid sign line given for new paid sign condition");
        }
        boolean ignoreCaseBoolean = OptionState.getBooleanValue(ignoreCase, this.getIgnoreCase());
        boolean ignoreColorBoolean = OptionState.getBooleanValue(ignoreColor, this.getIgnoreColor());
        this.conditions.put(line, new PaidSignCondition(stringToMatch, executeRegex, ignoreCaseBoolean, ignoreColorBoolean));
    }

    /**
     * Removes a condition from this paid sign
     *
     * @param line <p>The sign line the condition belongs to</p>
     */
    public void removeCondition(short line) {
        this.conditions.remove(line);
    }

}