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package com.qtay.gls.common;

import java.util.Arrays;

import java.util.HashMap;

import java.util.Map;

import java.util.Objects;

public class FormDecoder {

private Map parameters;

public FormDecoder(String str) {

this.parameters = new HashMap<>();

parse(this.parameters, str);

}

public String get(String key) {

return this.get(key, null);

}

public String get(String key, String defaultValue) {

String value = this.parameters.get(key);

return Objects.isNull(value) ? defaultValue : value;

}

private int getInt32(String key) {

return this.getInt32(key, 0);

}

private int getInt32(String key, int defaultValue) {

String value = this.parameters.get(key);

return Objects.isNull(value) || value.isEmpty() ? defaultValue : Integer.parseInt(value);

}

public long getInt64(String key) {

return this.getInt64(key, 0L);

}

private long getInt64(String key, long defaultValue) {

String value = this.parameters.get(key);

return Objects.isNull(value) || value.isEmpty() ? defaultValue : Long.parseLong(value);

}

private float getFloat32(String key) {

return this.getFloat32(key, 0F);

}

private float getFloat32(String key, float defaultValue) {

String value = this.parameters.get(key);

return Objects.isNull(value) || value.isEmpty() ? defaultValue : Float.parseFloat(value);

}

public double getFloat64(String key) {

return this.getFloat64(key, 0D);

}

private double getFloat64(String key, double defaultValue) {

String value = this.parameters.get(key);

return Objects.isNull(value) || value.isEmpty() ? defaultValue : Double.parseDouble(value);

}

private boolean getBool(String key) {

return this.getBool(key, false);

}

private boolean getBool(String key, boolean defaultValue) {

String value = this.parameters.get(key);

return Objects.isNull(value) || value.isEmpty() ? defaultValue : Boolean.parseBoolean(value);

}

private boolean contains(String key) {

return this.parameters.containsKey(key);

}

private static void parse(Map map, String str) {

if(Objects.isNull(str) || str.isEmpty()) return ;

Arrays.stream(str.split("&"))

.filter(kv -> kv.contains("="))

.map(kv -> kv.split("="))

.forEach(array -> map.put(array[0], array[1]));

}

// public static void main(String[] args) {

// String str = "a=1&b=3.5&c=true";

// FormDecoder decoder = new FormDecoder(str);

// System.out.println(decoder.contains("c"));

// System.out.println(decoder.get("a"));

// System.out.println(decoder.getInt32("a"));

// System.out.println(decoder.getFloat32("b"));

// System.out.println(decoder.getBool("c"));

// }

}