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-rw-r--r--src/eu/equalparts/cardbase/cli/CardbaseCLI.java493
1 files changed, 493 insertions, 0 deletions
diff --git a/src/eu/equalparts/cardbase/cli/CardbaseCLI.java b/src/eu/equalparts/cardbase/cli/CardbaseCLI.java
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+++ b/src/eu/equalparts/cardbase/cli/CardbaseCLI.java
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+package eu.equalparts.cardbase.cli;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+import java.util.Scanner;
+
+import com.fasterxml.jackson.core.JsonGenerationException;
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+
+import eu.equalparts.cardbase.Cardbase;
+import eu.equalparts.cardbase.data.Card;
+import eu.equalparts.cardbase.data.FullCardSet;
+import eu.equalparts.cardbase.data.CardSetInformation;
+import eu.equalparts.cardbase.utils.MTGUniverse;
+
+/**
+ * This provides a lightweight CLI for interacting with cardbase files.
+ *
+ * @author Eduardo Pedroni
+ */
+public class CardbaseCLI {
+
+ /**
+ * Enum type to store actions.
+ *
+ * @author Eduardo Pedroni
+ */
+ private enum Action {
+ ADD, REMOVE;
+ public Card card;
+ public Integer count;
+ /**
+ * Sets both fields at once.
+ *
+ * @param card the card last modified.
+ * @param count the amount that was added or removed.
+ */
+ public void set(Card card, Integer count) {
+ this.card = card;
+ this.count = count;
+ }
+ }
+
+ /**
+ * Location of the help file.
+ */
+ private static final String HELP_FILE_PATH = "/help";
+ /**
+ * The last action performed by the user.
+ */
+ private Action lastAction = null;
+ /**
+ * The currently selected set, from which new cards are added.
+ */
+ private FullCardSet selectedSet = null;
+ /**
+ * The actual cardbase being interfaced with.
+ */
+ private Cardbase cardbase;
+ /**
+ * Printed to the console when the user enters the help command.
+ */
+ private String help = "Not available, check project page on GitHub.";
+ /**
+ * The cardbase file off which we are currently working, if any.
+ */
+ private File cardbaseFile = null;
+ /**
+ * Save flag is raised when cards are added or removed and causes a prompt to be shown
+ * if the user tries to exit with unsaved changed.
+ */
+ private boolean savePrompt = false;
+ /**
+ * Exit flag, program breaks out of the main loop when true.
+ */
+ private boolean exit = false;
+
+ /**
+ * Execute the interface.
+ *
+ * @param args the first argument is the cardbase file. Further arguments are ignored.
+ */
+ public static void main(String... args) {
+ new CardbaseCLI(args).startInterface();
+ }
+
+ /**
+ * Reads in an optional cardbase JSON and initialises other necessary components.
+ * This does not actually produce the CLI, for that use {@code startInterface()}
+ * on the constructed object.
+ *
+ * @param args a list of arguments. Only the first argument is used, as a cardbase JSON.
+ */
+ private CardbaseCLI(String... args) {
+ System.out.println("Welcome to Cardbase CLI!");
+
+ // set debug flag if we are debugging
+ if (Cardbase.DEBUG) System.out.println("Debug mode is on.");
+
+ // make the CardbaseManager
+ if (args.length > 0) {
+ File cardbaseFile = new File(args[0]);
+ if (cardbaseFile.exists() && cardbaseFile.isFile() && cardbaseFile.canRead()) {
+ System.out.println("Loading cardbase from \"" + args[0] + "\".");
+ try {
+ cardbase = new Cardbase(cardbaseFile);
+ } catch (JsonParseException e) {
+ System.out.println("Error: poorly formatted cardbase, check the syntax and try again.");
+ // although the problem could also be with the upstream CardSetList json.
+ if (Cardbase.DEBUG) e.printStackTrace();
+ System.exit(1);
+ } catch (JsonMappingException e) {
+ System.out.println("Error: unexpected fields found in cardbase, it may be from an old version?");
+ if (Cardbase.DEBUG) e.printStackTrace();
+ System.exit(1);
+ } catch (IOException e) {
+ System.out.println("Error: something went wrong reading cardbase file, abort...");
+ if (Cardbase.DEBUG) e.printStackTrace();
+ System.exit(1);
+ }
+ } else {
+ System.out.println(args[0] + " appears to be invalid.");
+ System.exit(0);
+ }
+ } else {
+ System.out.println("No cardbase file was provided, creating a clean cardbase.");
+ cardbase = new Cardbase();
+ }
+
+ // load help information
+ InputStream is = CardbaseCLI.class.getResourceAsStream(HELP_FILE_PATH);
+ if (is != null) {
+ help = new Scanner(is).useDelimiter("\\Z").next();
+ } else {
+ System.out.println("Help file was not found, check the project page on GitHub for help instead.");
+ }
+
+ }
+
+ /**
+ * Read stdin for user input, sanitise and interpret any commands entered.
+ */
+ private void startInterface() {
+ BufferedReader consoleReader = new BufferedReader(new InputStreamReader(System.in));
+ try {
+ // the main loop
+ while (!exit) {
+ // print prompt
+ System.out.print(selectedSet == null ? "> " : selectedSet.code + " > ");
+ // condition input and interpret
+ String[] raw = consoleReader.readLine().trim().split("[ \t]+");
+ String command = raw[0];
+ String[] args = Arrays.copyOfRange(raw, 1, raw.length);
+
+ if (command.equalsIgnoreCase("help")) {
+ help();
+ } else if (command.equalsIgnoreCase("write")
+ || command.equalsIgnoreCase("save")) {
+ write(args);
+ } else if (command.equalsIgnoreCase("exit")) {
+ exit();
+ } else if (command.equalsIgnoreCase("sets")) {
+ sets();
+ } else if (command.equalsIgnoreCase("set")) {
+ set(args);
+ } else if (command.equalsIgnoreCase("glance")) {
+ glance();
+ } else if (command.equalsIgnoreCase("peruse")) {
+ peruse(args);
+ } else if (command.equalsIgnoreCase("undo")) {
+ undo();
+ } else if (command.equalsIgnoreCase("remove")
+ || command.equalsIgnoreCase("rm")) {
+ remove(args);
+ } else {
+ add(command, args);
+ }
+ }
+ } catch (IOException e) {
+ System.out.println("Error: something went wrong with stdin, exiting...");
+ if (Cardbase.DEBUG) e.printStackTrace();
+ }
+ }
+
+ /**
+ * Print help to console.
+ */
+ public void help() {
+ System.out.println(help);
+ }
+
+ /**
+ * Write current cardbase to file.
+ *
+ * @param args optionally the file to which to write.
+ */
+ public void write(String[] args) {
+ File outputFile;
+ // user-provided file overrides everything else
+ if (args.length > 0) {
+ outputFile = new File(sanitiseFileName(args[0]));
+ } else {
+ outputFile = cardbaseFile;
+ }
+
+ if (outputFile != null) {
+ if (outputFile.exists() && (!outputFile.isFile() || !outputFile.canWrite())) {
+ System.out.println("Could not write to \"" + outputFile.getAbsolutePath() + "\".");
+ } else {
+ // handle these exceptions locally - they don't necessarily mean the program should exit
+ try {
+ cardbase.writeCardbase(outputFile);
+ // we are now working off outputFile, which may or may not be the same as cardbaseFile at this point
+ cardbaseFile = outputFile;
+ System.out.println("Cardbase was saved to \"" + outputFile.getAbsolutePath() + "\". "
+ + "Subsequent writes will be done to this same file unless otherwise requested.");
+ savePrompt = false;
+ } catch (JsonGenerationException | JsonMappingException e) {
+ System.out.println("Error: something terrible happened to the internal cardbase data structure. Oops.");
+ if (Cardbase.DEBUG) e.printStackTrace();
+ } catch (IOException e) {
+ System.out.println("Error: lost contact with the output file, try again?");
+ if (Cardbase.DEBUG) e.printStackTrace();
+ }
+ }
+ } else {
+ System.out.println("Please provide a file name.");
+ }
+ }
+
+ /**
+ * Exit procedure.
+ */
+ public void exit() {
+ if (savePrompt) {
+ System.out.println("Don't forget to save. If you really wish to quit without saving, type \"exit\" again.");
+ savePrompt = false;
+ } else {
+ exit = true;
+ }
+ }
+
+ /**
+ * Print a list of valid set codes.
+ */
+ public void sets() {
+ for (CardSetInformation set : MTGUniverse.getCardSetList()) {
+ // CardSet has an overridden toString()
+ System.out.println(set);
+ }
+ }
+
+ /**
+ * Select a set.
+ *
+ * @param args the code of the chosen set.
+ */
+ public void set(String[] args) {
+ if (args.length > 0) {
+ try {
+ selectedSet = MTGUniverse.getFullCardSet(args[0]);
+ // if the set code is invalid, null is returned
+ if (selectedSet != null) {
+ System.out.println("Selected set: " + selectedSet.name + ".");
+ // undoing is not allowed if the set is changed - it would get tricky
+ lastAction = null;
+ } else {
+ System.out.println("\"" + args[0] + "\" does not correspond to any set (use \"sets\" to see all valid set codes).");
+ }
+ } catch (JsonParseException e) {
+ System.out.println("Error: JSON fetched from upstream was not formatted properly.");
+ if (Cardbase.DEBUG) e.printStackTrace();
+ } catch (JsonMappingException e) {
+ System.out.println("Error: JSON fetched from upstream does not match the data structure used internally.");
+ if (Cardbase.DEBUG) e.printStackTrace();
+ } catch (IOException e) {
+ System.out.println("Error: JSON could not be fetched from upstream.");
+ if (Cardbase.DEBUG) e.printStackTrace();
+ }
+ } else {
+ System.out.println("Please enter a set code (use \"sets\" to see all valid set codes).");
+ }
+ }
+
+ /**
+ * Print a brief list of the whole cardbase.
+ */
+ public void glance() {
+ int total = 0;
+ for (Card card : cardbase.getCards()) {
+ printGlance(card);
+ total += card.count;
+ }
+ System.out.println("Total: " + total);
+ }
+
+ /**
+ * Print detailed information of a single card or the whole cardbase.
+ *
+ * @param args optionally a card within the set (by number) to peruse.
+ */
+ public void peruse(String[] args) {
+ // if a card is specified, peruse only that
+ if (args.length > 0) {
+ if (selectedSet != null) {
+ Card card = cardbase.getCard(selectedSet.code, args[0]);
+ if (card != null) {
+ printPerusal(card);
+ } else {
+ System.out.println("Card not in cardbase.");
+ }
+ } else {
+ System.out.println("Please select a set before perusing a specific card.");
+ }
+ } else {
+ // peruse all cards in cardbase
+ int total = 0;
+ for (Card card : cardbase.getCards()) {
+ printPerusal(card);
+ total += card.count;
+ }
+ System.out.println("Total: " + total);
+ }
+ }
+
+ /**
+ * Undo previous action.
+ */
+ public void undo() {
+ if (lastAction != null) {
+ if (lastAction == Action.ADD) {
+ removeCard(lastAction.card, lastAction.count);
+ } else if (lastAction == Action.REMOVE) {
+ addCard(lastAction.card, lastAction.count);
+ }
+ // can only undo once
+ lastAction = null;
+ } else {
+ System.out.println("Nothing to undo.");
+ }
+ }
+
+ /**
+ * Remove one or more of a card.
+ *
+ * @param args the set number of the card to remove and optionally the count to be removed.
+ */
+ public void remove(String[] args) {
+ if (selectedSet != null) {
+ if (args.length > 0) {
+ Card cardToRemove = selectedSet.getCardByNumber(args[0]);
+ if (cardToRemove != null) {
+ Integer count = 1;
+ if (args.length > 1 && args[1].matches("[0-9]+")) {
+ count = Integer.valueOf(args[1]);
+ if (count <= 0) {
+ System.out.println("Can't remove " + count + " cards.");
+ return;
+ }
+ }
+ removeCard(cardToRemove, count);
+ } else {
+ System.out.println(args[0] + " does not correspond to a card in " + selectedSet.name + ".");
+ }
+ } else {
+ System.out.println("Please specify a card number to remove.");
+ }
+ } else {
+ System.out.println("Select a set before removing cards.");
+ }
+ }
+
+ /**
+ * Add one or more of a card.
+ *
+ * @param number the number of the card to add.
+ * @param args optionally the count to add.
+ */
+ public void add(String number, String[] args) {
+ if (selectedSet != null) {
+ // a blank line after adding a card repeats the addition unlimitedly
+ if (number.isEmpty()) {
+ if (lastAction == Action.ADD)
+ addCard(lastAction.card, lastAction.count);
+ } else {
+ Card cardToAdd = selectedSet.getCardByNumber(number);
+ if (cardToAdd != null) {
+ Integer count = 1;
+ if (args.length > 0 && args[0].matches("[0-9]+")) {
+ count = Integer.valueOf(args[0]);
+ if (count <= 0) {
+ System.out.println("Can't add " + count + " cards.");
+ return;
+ }
+ }
+ addCard(cardToAdd, count);
+ } else {
+ System.out.println(number + " does not correspond to a card in " + selectedSet.name + ".");
+ }
+ }
+ } else {
+ System.out.println("Select a set before adding cards.");
+ }
+ }
+
+ /**
+ * Add the specified count of the specified card
+ * to the cardbase.
+ *
+ * @param card the card to add.
+ * @param count the number of times to add it.
+ */
+ private void addCard(Card card, Integer count) {
+ cardbase.addCard(card, count);
+ System.out.println("Added " + count + "x " + card.name + ".");
+ savePrompt = true;
+ lastAction = Action.ADD;
+ lastAction.set(card, count);
+ }
+
+ /**
+ * Remove the specified count of the specified card
+ * from the cardbase.
+ *
+ * @param card the card to remove.
+ * @param count the number of times to remove it.
+ */
+ private void removeCard(Card card, Integer count) {
+ Integer removed = cardbase.removeCard(card, count);
+ if (removed > 0) {
+ System.out.println("Removed " + removed + "x " + card.name + ".");
+ savePrompt = true;
+ lastAction = Action.REMOVE;
+ lastAction.set(card, removed);
+ } else {
+ System.out.println(card.name + " is not in the cardbase.");
+ }
+
+ }
+
+ /**
+ * Return a {@code String} that is guaranteed to be a legal file name.
+ *
+ * @param name the file name candidate to sanitise.
+ * @return the sanitised name.
+ */
+ private String sanitiseFileName(String name) {
+ // POSIX-compliant valid filename characters
+ name = name.replaceAll("[^-_.A-Za-z0-9]", "");
+ // extension is not indispensable, but good practice
+ if (!name.endsWith(".cb")) {
+ name = name.concat(".cb");
+ }
+ return name;
+ }
+
+ /**
+ * Prints a glance of the specified card. A glance contains simply
+ * the card count, name, set code and set number.
+ *
+ * @param card the card to glance.
+ */
+ private void printGlance(Card card) {
+ System.out.println(String.format("%1$-4d %2$s (%3$s, %4$s)", card.count, card.name, card.setCode, card.number));
+ }
+
+ /**
+ * Prints a perusal of the specified card. A perusal contains more
+ * information than a glance, but not every single field the card has
+ * as that would be too verbose while adding little value.
+ *
+ * @param card the card to peruse.
+ */
+ private void printPerusal(Card card) {
+ printGlance(card);
+ if (card.type != null) System.out.println("\t" + card.type);
+ if (card.manaCost != null) System.out.println("\tCost: " + card.manaCost);
+ if (card.power != null && card.toughness != null) System.out.println("\t" + card.power + "/" + card.toughness);
+ if (card.loyalty != null) System.out.println("\tLoyalty: " + card.loyalty);
+
+ if (card.text != null) System.out.println("\t" + card.text.replaceAll("\n", "\n\t"));
+ if (card.flavor != null) System.out.println("\t" + card.flavor.replaceAll("\n", "\n\t"));
+
+ if (card.rarity != null) System.out.println("\t" + card.rarity);
+ if (card.multiverseid != null) System.out.println("\tMID: " + card.multiverseid);
+ if (card.artist != null) System.out.println("\tIllus. " + card.artist);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 06:53:31 +0000