package Graphics;

import java.util.HashMap;
import java.io.IOException;
import java.io.InputStream;

/**
 * [Bilal]
 * Classe qui sert a stocke les valeurs contenue dans le JSON dans une liste.
 */

public class Traitable {
    private final HashMap<String, Object> content;
    private final InputStream file;

    public Traitable(InputStream file) {
        this.content = new HashMap<>();
        this.file = file;
        this.Run();
    }

    /**
     * Lancement automatique une fois que Traitable est instantie
     * 
     * @see Graphics.GraphicFile
     */
    private void Run() {
        System.out.println("[+] Preparation...");

        try {
            try {
                StringBuilder allJson = new StringBuilder();
                StringBuilder tmp = new StringBuilder();
                int i = 0;

                for (int cursor = this.file.read(); cursor != -1; cursor = this.file.read()) {
                    char c = (char) cursor;
                    allJson.append(c);
                }

                allJson = this.ajustementVirguleEnd(allJson.toString());

                while (i < allJson.length()) {
                    if (allJson.charAt(i) == '"') {
                        while (allJson.charAt(i) != ',') {
                            tmp.append(allJson.charAt(i));
                            i++;
                        }

                        Object value = new Object();
                        String name = this.getNomOfRecord(tmp);
                        String[] typeOfVariable = this.getValueOfRecord(tmp.toString());

                        switch (typeOfVariable[0]) {
                            case "int": {
                                value = Integer.valueOf(typeOfVariable[1]);
                                break;
                            }

                            case "string": {
                                value = String.valueOf(typeOfVariable[1]);
                                break;
                            }

                            case "boolean": {
                                value = Boolean.valueOf(typeOfVariable[1]);
                                break;
                            }

                            case "float": {
                                value = Double.valueOf(typeOfVariable[1]);
                                break;
                            }

                            default: {
                                value = null;
                                break;
                            }
                        }

                        this.content.put(name, value);
                        tmp.setLength(0);
                    }

                    i++;
                }
            } catch (StringIndexOutOfBoundsException ignore) {
            }
        } catch (IOException e) {
            System.out.println("[!] Probleme lors de la lecture du fichier");
        }
    }

    private String getNomOfRecord(StringBuilder sb) {
        int i = 0;
        StringBuilder name = new StringBuilder();

        while (i < sb.length()) {
            if (sb.charAt(i) == ':') {
                return name.toString().replaceAll("\"", "");
            }

            name.append(sb.charAt(i));

            i++;
        }

        return null;
    }

    /**
     * Pour recuperer le type et la valeur d'une variable JSON
     * 
     * @param jsonLine La ligne json a evaluer
     * @return Un tableau { [0] = type, [1] = valeur }
     */
    private String[] getValueOfRecord(String jsonLine) {
        String[] parts = jsonLine.split(":");
        String value = parts[1];

        if (value.charAt(0) == ' ') {
            value = value.substring(1);
        }

        if (value.contains("\"")) {
            return new String[] { "string", value };
        } else if (value.contains("{")) {
            return new String[] { "objet", value };
        } else if (value.contains("[")) {
            return new String[] { "tableau", value };
        } else if (value.contains("true") || value.contains("false")) {
            return new String[] { "boolean", value };
        } else if (value.contains(".")) {
            return new String[] { "float", value };
        } else {
            return new String[] { "int", value };
        }
    }

    private StringBuilder ajustementVirguleEnd(String str) {
        int longueur = str.length();
        char avantDernierCaractere = str.charAt(longueur - 2);
        String nouvelleChaine = str.substring(0, longueur - 2) + avantDernierCaractere + ","
                + str.substring(longueur - 1);

        return new StringBuilder(nouvelleChaine);
    }

    /**
     * Recuperer le jeu de cles valeurs dans GrahicFile
     * 
     * @see Graphics.GraphicFile
     * @return Le jeu de cles valeurs
     */
    public HashMap<String, Object> getVariableMap() {
        return this.content;
    }
}