package uk.co.reading.cs2j7.MovieManager;

//Import Statements

import java.io.*;
import java.util.Scanner;

import javax.swing.*;

public class MovieList {

    //Public Attributes
    //Movie Arrays
    public SingleMovie[] listOfMovies = new SingleMovie[2000000];
    public SingleMovie[] listOfDuplicates = new SingleMovie[2000000];

    //Other Attributes
    public int numberOfMovies = 0;
    public int movieIndex = 0;
    public int duplicateIndex = 0;

    //Public Methods
    public int getNumberOfMovies() {
        return numberOfMovies;
    }

    public void addNewMovie(String title, int year, float rating) {
        SingleMovie arrayMovie = new SingleMovie(title, year, rating);
        listOfMovies[movieIndex] = arrayMovie;
        numberOfMovies++;
        movieIndex++;
    }

    public void editMovieTitle(String title, int index){
        listOfMovies[index].editTitle(title);
    }

    public void editMovieYear(int year, int index) {
        listOfMovies[index].editYear(year);
    }

    public String getCurrentTitle(int index) {
        return listOfMovies[index].getTitle();
    }

    public int getCurrentYear(int index) {
        return listOfMovies[index].getYear();
    }

    public String getCurrentMovie(int index) {
        return listOfMovies[index].toString();
    }

    public void removeMovie(int index) {
        listOfMovies[index].removeMovie();
    }

    public void printMovies(int numberOfMovies) {

        for (int i = 0; i < numberOfMovies; i++) {
            System.out.println("The film: " + listOfMovies[i].getTitle() + " Was made in " + listOfMovies[i].getYear());
        }
    }
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////IMDB FILE INPUT//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    public void importTopIMDB() throws IOException {
        //try {
            int open, close, Year;

            String title, year, str;
            int titleComp = 0;

            //Choose a file
            JFileChooser chooser = new JFileChooser("D:/Desktop/Java");
            chooser.showOpenDialog(null);
            File inFile = new File(chooser.getSelectedFile().getPath());

            //Set up the file reader
            FileReader fileReader = new FileReader(inFile);
            BufferedReader bufReader = new BufferedReader(fileReader);
            str = bufReader.readLine();
            str = bufReader.readLine();

            //Index through the file, extract film title and year
            while (str != null) {
                open = str.indexOf("(");
                close = str.indexOf(")");
                title = str.substring(0, (open - 1));
                year = str.substring((open + 1), close);
                Year = Integer.parseInt(year);
                SingleMovie M = new SingleMovie(title, Year, 0);
                movieIndex = 0;
                for (int i = 0; i < numberOfMovies; i++)
                {
                    titleComp = listOfMovies[i].getTitle().compareTo(listOfMovies[movieIndex].getTitle());
                    if (titleComp != 0)
                    {
                        listOfMovies[movieIndex] = M;
                        movieIndex++;
                        numberOfMovies++;
                        str = bufReader.readLine();
                        continue;
                    }
                }
                //Close the file
                bufReader.close();
                fileReader.close();
            }
        //}
        //catch (Exception e) { System.out.println("\n");
        //System.out.println("#####################################");
        //System.err.println("There was an error, please try again");
        //System.out.println("#####################################");
        //System.out.println("\n"); }
    }

    ////////////////////////////////////////////////////////////////////////////////////////////////////////FILE OUTPUT///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    /**
     * This is a javadoc comment
     * @param void
     * @return void
     */
    public void exportCSV() throws IOException {
        try {
            //Choose a file
            JFileChooser chooser = new JFileChooser("D:/Desktop/Java");
            chooser.showSaveDialog(null);
            File outFile = new File(chooser.getSelectedFile().getPath());

            //Set up the file reader writer
            FileWriter fileWriter = new FileWriter(outFile); // add true to append
            FileReader fileReader = new FileReader(outFile);
            BufferedWriter bufWriter = new BufferedWriter(fileWriter);
            BufferedReader bufReader = new BufferedReader(fileReader);

            //Check the first line
            if (bufReader.readLine() != ("#Title, Year:")) {
                bufWriter.write("#Title, Year:"); }
            bufWriter.newLine();

            //Writes the movies in memory to a file
            for (int i = 0; i < numberOfMovies; i++) {


                bufWriter.write(listOfMovies[i].getTitle()+ " , " + listOfMovies[i].getYear());
                bufWriter.newLine();

            }

            //Save the last file location to the configuration file
            File configFile = new File("D:/Desktop/Java/UserConfig.cfg");
            FileWriter configWriter = new FileWriter(configFile);
            BufferedWriter bufConfig = new BufferedWriter(configWriter);
            bufConfig.write(chooser.getSelectedFile().getPath());

            bufConfig.flush();
            bufWriter.flush();
            bufWriter.close();
            bufConfig.close();
            fileWriter.close();
            configWriter.close();
        } catch (Exception e) {
            System.out.println("\n");
            System.out.println("#####################################");
            System.err.println("There was an error, please try again");
            System.out.println("#####################################");
            System.out.println("\n");
        }
    }

    /////////////////////////////////////////////////////////////////////////////////////////////////MY MOVIE INPUT////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    public void loadMyMovies(String filePath) throws IOException {
        int comma;
        String str;

        //Set up the file and file reader
        FileReader myMovieReader = new FileReader(filePath);
        BufferedReader movieBuffer = new BufferedReader(myMovieReader);

        str = movieBuffer.readLine();
        str = movieBuffer.readLine();

        //Index through the file, extract film title and year
        while (str != null) {
            comma = str.indexOf(" , ");
            SingleMovie M = new SingleMovie(str.substring(0, (comma)), Integer.parseInt(str.substring((comma + 3))), 0);
            listOfMovies[movieIndex] = M;
            movieIndex++;
            numberOfMovies++;
            str = movieBuffer.readLine();
        }
        //Close the file
        movieBuffer.close();
        myMovieReader.close();

    }

    ///////////////////////////////////////////////////////////////////////////////////////////////USER CONFIGURATION/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    public String loadConfig() throws IOException {

        //Loads the address of the last saved file
        FileReader configReader = new FileReader("D:/Desktop/Java/UserConfig.cfg");
        BufferedReader bufConfig = new BufferedReader(configReader);

        return bufConfig.readLine();

    }
    /////////////////////////////////////////////////////////////////////////////////////////////////////MAIN//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    public static void main(String[] args) throws IOException {

        //Creates a new move list
        MovieList myList = new MovieList();

        //Set up the required variables
        int menu = 0;
        int searchMenu = 0;
        Scanner stringInput = new Scanner(System.in);

        //Sets up some file search functionality
        Scanner filterQuery = new Scanner(System.in);
        MovieSearch filterSearch = new MovieSearch();
        MovieList filteredList2 = new MovieList();
        Scanner filterQuery2 = new Scanner(System.in);

        //Load last saved configuration
        try {
            myList.loadMyMovies(myList.loadConfig());
            System.out.println("Previous file loaded successfully");
        } catch (Exception e) {
            System.err.println("Either there is no last file, or it has become corrupted or been deleted");
        }


        do {
            //try {
                //Print out the UI
                System.out.println("\n");
                System.out.println("####################################################################################################");
                System.out.println("Please choose an option: \n");
                System.out.println("The current movie index is " + myList.movieIndex + "\n");
                System.out.println("There are currently " + myList.getNumberOfMovies() + " Movies in the list");
                Scanner menuChoice = new Scanner(System.in);
                System.out.println("File");
                System.out.println("1: Add New Movie | 2: Open My Movie File | 3: Save Changes | 4: Quit \n");
                System.out.println("View");
                System.out.println("5: View Current Movie | 6: View Next Movie | 7: View Previous Movie | 8: Go to Movie Index \n");
                System.out.println("Edit");
                System.out.println("9: Modify Current Movie | 10: Remove Current Movie \n");
                System.out.println("Search");
                System.out.println("11: Search Exact Title | 12: Filter Search \n");
                System.out.println("Import");
                System.out.println("13: Import Top Ranked Movies | 14: Import IMDB Movie File | 15: Import Other IMDB Files");
                System.out.println("####################################################################################################");
                System.out.println("\n");

                //Take user choice
                menu = menuChoice.nextInt();
                System.out.print("\n");

                switch (menu) {
                case 1:
                    System.out.println("\n");
                    System.out.println("###########################################");
                    System.out.println("Please Enter the Title For Your New Movie");
                    System.out.println("###########################################");
                    System.out.println("\n");
                    String newTitle = stringInput.nextLine();
                    System.out.println("\n");
                    System.out.println("############################################");
                    System.out.println("Now Enter the Year Your Film was Produced in");
                    System.out.println("############################################");
                    System.out.println("\n");
                    int newYear = stringInput.nextInt();
                    myList.addNewMovie(newTitle, newYear, 0);
                    break;
                case 2:
                    System.out.println("\n");
                    System.out.println("############################################################################################");
                    System.out.println("If a user defined movie file existed it will have been automatically loaded with the system");
                    System.out.println("############################################################################################");
                    System.out.println("\n");
                    break;
                case 3:
                    myList.exportCSV();
                    break;
                case 4:
                    System.out.println("\n");
                    System.out.println("###########################################################");
                    System.out.println("The system is now shutting down and saving updates to file");
                    System.out.println("###########################################################");
                    System.out.println("\n");
                    myList.exportCSV();
                    break;
                case 5:
                    System.out.println(myList.getCurrentMovie(myList.movieIndex));
                    break;

                case 6:
                    myList.movieIndex++;
                    System.out.println(myList.getCurrentMovie(myList.movieIndex));
                    break;
                case 7:
                    myList.movieIndex--;
                    System.out.println(myList.getCurrentMovie(myList.movieIndex));
                    break;
                case 8:
                    System.out.println("\n");
                    System.out.println("########################");
                    System.out.println("Enter a new movie index");
                    System.out.println("########################");
                    System.out.println("\n");
                    myList.movieIndex = stringInput.nextInt();
                    System.out.println(myList.getCurrentMovie(myList.movieIndex));
                    break;
                case 9:
                    System.out.println("\n");
                    System.out.println("#########################");
                    System.out.println("Enter a new movie title");
                    System.out.println("#########################");
                    System.out.println("\n");
                    myList.editMovieTitle(stringInput.nextLine(), myList.movieIndex);
                    System.out.println("\n");
                    System.out.println("#######################");
                    System.out.println("Enter a new movie year");
                    System.out.println("#######################");
                    System.out.println("\n");
                    myList.editMovieYear(stringInput.nextInt(), myList.movieIndex);
                    break;
                case 10:
                    System.out.println("The movie " + myList.getCurrentTitle(myList.movieIndex) + " is being deleted");
                    myList.removeMovie(myList.movieIndex);
                    break;
                case 11:
                    MovieList filteredList = new MovieList();
                    String searchTerm = null;
                    System.out.println("\n");
                    System.out.println("####################");
                    System.out.println("Enter a search term");
                    System.out.println("####################");
                    System.out.println("\n");
                    Scanner searchQuery = new Scanner(System.in);
                    searchTerm = searchQuery.nextLine();
                    MovieSearch singleSearch = new MovieSearch();
                    filteredList = singleSearch.filteredList(searchTerm, myList, myList.numberOfMovies);
                    filteredList.printMovies(filteredList.getNumberOfMovies());
                    break;
                case 12: {
                    System.out.println("\n");
                    System.out.println("####################");
                    System.out.println("Enter a search term");
                    System.out.println("####################");
                    System.out.println("\n");
                    searchTerm = filterQuery.nextLine();
                    filteredList = filterSearch.filteredList(searchTerm, myList, myList.numberOfMovies);
                    do {
                        try {//need a do while loop here
                            //removing duplicates will be a simple loop function
                            filteredList.printMovies(filteredList.getNumberOfMovies());
                            System.out.println("\n");
                            System.out.println("############################################################################################");
                            System.out.println("Would you like to refine the search? Enter 1 for yes, or 2 to return to the previous menu.");
                            System.out.println("############################################################################################");
                            System.out.println("\n");
                            searchMenu = stringInput.nextInt();

                            if (searchMenu == 1) {
                                System.out.println("Enter your new search term");
                                String searchTerm2 = filterQuery2.nextLine();
                                MovieSearch filterSearch2 = new MovieSearch();
                                filteredList2 = filterSearch2.filteredList(searchTerm2, filteredList, filteredList.numberOfMovies);
                                filteredList2.printMovies(filteredList2.getNumberOfMovies()); }
                            System.out.println("\n");
                            System.out.println("#####################################################################");
                            System.out.println("To go back to the previous search result enter 1, otherwise enter 2.");
                            System.out.println("#####################################################################");
                            System.out.println("\n");
                            searchMenu = stringInput.nextInt();

                        } catch (Exception e) {
                            System.out.println("\n");
                            System.out.println("##################################################");
                            System.out.println("There has been an error.  Returning to main menu.");
                            System.out.println("##################################################");
                            System.out.println("\n");
                        }
                    } while (searchMenu != 2);
                    break;
                }
                case 13:
                    myList.importTopIMDB();
                    break;
                }
            //} catch (Exception e) {
                //System.out.println("\n");
                //System.out.println("################################################");
                //System.err.println("There has been an error.  Retuning to main menu.");
            //  System.out.println("################################################");
                //System.out.println("\n");
            //}
        } while (menu != 4);

        /*Import list of movies
        myList.importTopIMDB();
        System.out.println("There are " + myList.getNumberOfMovies() + " Movies in your file");
        System.out.println(myList.numberOfMovies);
        //...and then print them to the console
        //for (int i = 0; i < myList.getNumberOfMovies(); i++) {

        //  System.out.println("The Film: " + myList.getCurrentTitle(i)+ " Was made in " + myList.getCurrentYear(i));
        //}
        //Save this list to a file
        myList.exportCSV();

        //Test user input for a movie
        System.out.println("Enter Movie Title");
        Scanner inTitle = new Scanner(System.in);
        String newTitle = inTitle.nextLine();
        int newYear = Integer.parseInt(inTitle.nextLine());
        System.out.println("New Film: " + newTitle + " and Year " + newYear);

        myList.addNewMovie(newTitle, newYear, 0);

        myList.exportCSV(); */



    }


}