using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO.Ports;

namespace BlenderGUI
{
    public partial class Form1 : Form
    {
        private string[] Recipes;
        private int [,] ingredient;
        private int[,] amount;
        private int selection;
        private int [] bottle;
        private int next_recipe;
        private int next_ingre = 0;
        private int flag;
        //private char[] Pre_Sent_Data;
        private StringBuilder Send_Data;
        private string function;
        SerialPort port;
        private string temp, CorrectString = "";
        private int dispensed = 0, blending = 0, loaded = 0, calibrated = 0;

        public Form1()
        {
            InitializeComponent();
            //Initial Recipes
            Recipes = new string[10];
            ingredient = new int[10,4];
            amount = new int[10,4];
            bottle = new int[4];
            Recipes[0] = "SweetWater";
            Recipes[1] = "HoneyWater";
            next_recipe = 2;
            ingredient[0, 0] = 0;
            ingredient[0, 1] = 7;
            ingredient[0, 2] = -1;
            ingredient[0, 3] = -1;

            ingredient[1, 0] = 0;
            ingredient[1, 1] = 8;
            ingredient[1, 2] = -1;
            ingredient[1, 3] = -1;
            amount[0, 0] = 100;
            amount[0, 1] = 10;
            amount[0, 2] = 0;
            amount[0, 3] = 0;
            amount[1, 0] = 100;
            amount[1, 1] = 10;
            amount[1, 2] = 0;
            amount[1, 3] = 0;
            //Initiaize Serial Port at 9600 baud for communication
            port = new SerialPort("COM4", 9600, Parity.None, 8, StopBits.One);
            port.Open();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            listBox1.Items.Add(Recipes[0]);
            listBox1.Items.Add(Recipes[1]);
            Send_Data = new StringBuilder("");
        }

        private void button3_Click(object sender, EventArgs e)
        {
            //close the port before exiting the program
            port.Close();
            Application.Exit();
        }

        private void button4_Click(object sender, EventArgs e)
        //Load Recipe
        {          
            if (listBox1.SelectedIndex >= 0)        //will load up a recipe only when we select a recipe from the list box
            {
                selection = listBox1.SelectedIndex;
                textBox1.Text = Recipes[selection];

                //put everything back to zero first
                numericUpDown1.Value = 0;
                numericUpDown2.Value = 0;
                numericUpDown3.Value = 0;
                numericUpDown4.Value = 0;
                numericUpDown5.Value = 0;
                numericUpDown6.Value = 0;
                numericUpDown7.Value = 0;
                numericUpDown8.Value = 0;
                numericUpDown9.Value = 0;
                numericUpDown10.Value = 0;

                //Display the amount of each ingredient in appropriate numericUpDown box
                for (int i = 0; i < 4; i++)
                {
                    if (ingredient[selection, i] == 0 && amount[selection,i] > 0)
                        numericUpDown1.Value = amount[selection, i];
                }

                for (int i = 0; i < 4; i++)
                {
                    if (ingredient[selection, i] == 1)
                        numericUpDown2.Value = amount[selection, i];
                }

                for (int i = 0; i < 4; i++)
                {
                    if (ingredient[selection, i] == 2)
                        numericUpDown3.Value = amount[selection, i];
                }

                for (int i = 0; i < 4; i++)
                {
                    if (ingredient[selection, i] == 3)
                        numericUpDown4.Value = amount[selection, i];
                }

                for (int i = 0; i < 4; i++)
                {
                    if (ingredient[selection, i] == 4)
                        numericUpDown5.Value = amount[selection, i];
                }

                for (int i = 0; i < 4; i++)
                {
                    if (ingredient[selection, i] == 5)
                        numericUpDown6.Value = amount[selection, i];
                }

                for (int i = 0; i < 4; i++)
                {
                    if (ingredient[selection, i] == 6)
                        numericUpDown7.Value = amount[selection, i];
                }

                for (int i = 0; i < 4; i++)
                {
                    if (ingredient[selection, i] == 7)
                        numericUpDown8.Value = amount[selection, i];
                }

                for (int i = 0; i < 4; i++)
                {
                    if (ingredient[selection, i] == 8)
                        numericUpDown9.Value = amount[selection, i];
                }

                for (int i = 0; i < 4; i++)
                {
                    if (ingredient[selection, i] == 9)
                        numericUpDown10.Value = amount[selection, i];
                }
                loaded = 1; //loaded flag is on
            }
            else
                MessageBox.Show("Please select one of the recipes or create a new one");
        }

        private void button2_Click(object sender, EventArgs e)
        //Dispense
        {
            if (loaded == 1 && calibrated == 1 && blending == 0)    //make sure recipe is loaded and bottles are calibrated and we are not blending
            {
                    Send_Data.Remove(0, Send_Data.Length);
                    //Building the Data Array
                    function = "d";
                    Send_Data.Append(function);
                    //determine what to append for the dispense string
                    for (int i = 0; i < 4; i++)
                    {
                        flag = 0;
                        for (int j = 0; j < 4; j++)
                        {
                            if (ingredient[selection, j] == bottle[i])
                            {
                                if (amount[selection, j] == 0)
                                {
                                    flag = 1;
                                }

                                if (amount[selection, j] < 10)
                                {
                                    Send_Data.Append("00");
                                    Send_Data.Append(amount[selection, j]);
                                    flag = 1;
                                }
                                else if (amount[selection, j] < 100)
                                {
                                    Send_Data.Append("0");
                                    Send_Data.Append(amount[selection, j]);
                                    flag = 1;
                                }
                                else
                                {
                                    Send_Data.Append(amount[selection, j]);
                                    flag = 1;
                                }

                                
                            }
                        }
                        //less than 4 ingredient
                        if (flag == 0)
                            Send_Data.Append("000");
                    }
                    dispensed = 1;
                    Send_Data.Append("\r");
                    MessageBox.Show(Send_Data.ToString());
                    port.Write(Send_Data.ToString());
            }
            else
                MessageBox.Show("Please calibrate and load a recipe before you dispense");
        }

        private void button1_Click(object sender, EventArgs e)
        //Create new recipe
        {
            if (next_recipe < 10)
            {
                next_ingre = 0;
                if (textBox1.Text.Length < 11)
                    Recipes[next_recipe] = textBox1.Text.PadLeft(10);
                else
                {
                    Recipes[next_recipe] = (textBox1.Text).Substring(0, 10);
                    MessageBox.Show("10 character maximum for recipe names");
                }

                if (numericUpDown1.Value > 0)
                {
                    ingredient[next_recipe, next_ingre] = 0;
                    amount[next_recipe, next_ingre] = (int)numericUpDown1.Value;
                    next_ingre++;
                }
                if (numericUpDown2.Value > 0)
                {
                    ingredient[next_recipe, next_ingre] = 1;
                    amount[next_recipe, next_ingre] = (int)numericUpDown2.Value;
                    next_ingre++;
                }
                if (numericUpDown3.Value > 0)
                {
                    ingredient[next_recipe, next_ingre] = 2;
                    amount[next_recipe, next_ingre] = (int)numericUpDown3.Value;
                    next_ingre++;
                }
                if (numericUpDown4.Value > 0)
                {
                    ingredient[next_recipe, next_ingre] = 3;
                    amount[next_recipe, next_ingre] = (int)numericUpDown4.Value;
                    next_ingre++;
                }
                if (numericUpDown5.Value > 0)
                {
                    ingredient[next_recipe, next_ingre] = 4;
                    amount[next_recipe, next_ingre] = (int)numericUpDown5.Value;
                    next_ingre++;
                }
                if (numericUpDown6.Value > 0)
                {
                    ingredient[next_recipe, next_ingre] = 5;
                    amount[next_recipe, next_ingre] = (int)numericUpDown6.Value;
                    next_ingre++;
                }
                if (numericUpDown7.Value > 0)
                {
                    ingredient[next_recipe, next_ingre] = 6;
                    amount[next_recipe, next_ingre] = (int)numericUpDown7.Value;
                    next_ingre++;
                }
                if (numericUpDown8.Value > 0)
                {
                    ingredient[next_recipe, next_ingre] = 7;
                    amount[next_recipe, next_ingre] = (int)numericUpDown8.Value;
                    next_ingre++;
                }
                if (numericUpDown9.Value > 0)
                {
                    ingredient[next_recipe, next_ingre] = 8;
                    amount[next_recipe, next_ingre] = (int)numericUpDown9.Value;
                    next_ingre++;
                }
                if (numericUpDown10.Value > 0)
                {
                    ingredient[next_recipe, next_ingre] = 9;
                    amount[next_recipe, next_ingre] = (int)numericUpDown10.Value;
                    next_ingre++;
                }
                //MessageBox.Show(next_ingre.ToString());
                listBox1.Items.Add(Recipes[next_recipe]);
                next_recipe++;
            }
            else
                MessageBox.Show("Only 10 recipes allowed");
        }

        private void button5_Click(object sender, EventArgs e)
        //Upload Recipes to MCU
        {

            Send_Data.Remove(0,Send_Data.Length);
            //Building the Data Array
            function = "v";             //first append save function command
            Send_Data.Append(function);
            //Append number of recipes (2 digits)
            if (next_recipe >= 10)
                Send_Data.Append(next_recipe.ToString());
            else if (next_recipe < 10)
            {
                Send_Data.Append("0");
                Send_Data.Append(next_recipe.ToString());
            }
            //Start appending recipes
            for (int i = 0; i < next_recipe; i++)
            {
                //Append recipe name
                Send_Data.Append(Recipes[i].ToString());
                for (int j = 0; j < 4; j++)
                {
                    //Append ingredient and amounts
                    if (amount[i, j] > 0)
                    {
                        Send_Data.Append(ingredient[i, j].ToString());
                        Send_Data.Append(amount[i, j].ToString().PadLeft(3,'0'));
                    }
                    else //Empty ingredient
                    {
                        Send_Data.Append("0000");
                    }
                }
            }
            Send_Data.Append("\r");
            port.Write(Send_Data.ToString());
            //MessageBox.Show(Send_Data.ToString());
        }

        private void button7_Click(object sender, EventArgs e)
        //Calibration
        {
            
            if (comboBox1.SelectedIndex >= 0 && comboBox2.SelectedIndex >= 0 && comboBox3.SelectedIndex >= 0 && comboBox4.SelectedIndex >= 0)
            {
                bottle[0] = comboBox1.SelectedIndex;
                bottle[1] = comboBox2.SelectedIndex;
                bottle[2] = comboBox3.SelectedIndex;
                bottle[3] = comboBox4.SelectedIndex;
                calibrated = 1;     //set calibrated flag to 1
            }
            else
                MessageBox.Show("Please Select Contents in the Bottles");
        }

        private void button8_Click(object sender, EventArgs e)
        //Blend
        {
            Send_Data.Remove(0, Send_Data.Length);
            if (dispensed == 1)                         //blend only when there is stuff in the cup
            {
                if (button8.Text == "Start Blend")      //change the text on the button
                {
                    function = "b\r";                   //send the blending command
                    Send_Data.Append(function);
                    button8.Text = "Stop Blend";
                    blending = 1;
                }
                else if (button8.Text == "Stop Blend")      //change the text back to stop blend
                {
                    function = "s\r";                   //send the stop blending command                   
                    Send_Data.Append(function);
                    button8.Text = "Start Blend";       
                    blending = 0;
                    dispensed = 0;                      //need to dispense again to blend
                }
                port.Write(Send_Data.ToString());
            }
            else
                MessageBox.Show("No ingredients dispensed yet");
        }

        private void button9_Click(object sender, EventArgs e)
        //Delete recipe
        {
            if (listBox1.SelectedIndex >= 0)    //recipe selected
            {
                //move the items in at the end of the array to where we want to delete
                Recipes[listBox1.SelectedIndex] = Recipes[next_recipe - 1];
                for (int i = 0; i < 4; i++)
                {
                    ingredient[listBox1.SelectedIndex, i] = ingredient[next_recipe - 1, i];
                    amount[listBox1.SelectedIndex, i] = amount[next_recipe - 1, i];
                }
                listBox1.Items.Remove(listBox1.SelectedItem);
                //decrement the number of next_recipe by 1
                next_recipe--;
            }
            else
                MessageBox.Show("No recipe selected");
        }

        private void button6_Click(object sender, EventArgs e)
        //Download Recipes from MCU
        {
            Send_Data.Remove(0, Send_Data.Length);
            //send out the download recipe request command
            function = "l\r";
            Send_Data.Append(function);

            //clear up current list first
            for (int i = 0; i < next_recipe; i++)
                listBox1.Items.Clear();

            port.Write(Send_Data.ToString());

            //if anything in the serial buffer, we will enter this function
            port.DataReceived += new SerialDataReceivedEventHandler(port_DataReceived);

            //Load up list of recipes after we read them in
            if (CorrectString.Length > 0 && CorrectString[0] == '*')
            {
                for (int i = 0; i < next_recipe; i++)
                {
                    listBox1.Items.Add(Recipes[i]);
                }
            }
        }

        void port_DataReceived(object sender, SerialDataReceivedEventArgs e)
        //This function will read the buffer from the serial port
        {
           temp = port.ReadLine();
           if (temp[0] == '*')      //we only care if the line starts with *
           {
               CorrectString = temp;
               //parsing recipe number
               next_recipe = int.Parse((CorrectString.Substring(1, 2)).ToString());
               for (int i = 0; i < next_recipe; i++)
               {
                   //parsing recipe name
                   Recipes[i] = (CorrectString.Substring(3 + 26 * i, 10)).ToString();
                   for (int j = 0; j < 4; j++)
                   {
                       //parsing ingredient code
                       ingredient[i, j] = int.Parse((CorrectString.Substring(13 + 4 * j + 26 * i, 1)).ToString());
                       //parsing amount for each ingredient
                       amount[i, j] = int.Parse((CorrectString.Substring(14 + 4 * j + 26 * i, 3)).ToString());
                   }
               }
           }
        }
    }
}