/*
 * CSDisplayPanel.cs
 * Authors: Bradley R. Blankenship
 * Copyright (c) 2007-2008 Cornell University

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

using System;
using System.Collections.Generic;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using tAC_Engine.GUI;

namespace ColonySim.GUI
{
    /// <summary>
    /// Displays the current numbers for the Colony Sim. The values displayed are
    /// Money, Population, and GOP.
    /// </summary>
    class CSStatusDisplayPanel : GUIPanel
    {
        #region Fields

		// Copy of our mFont
		SpriteFont mFont;

        // The amount of money
        int mMoney;

        // The amount of population
        int mPopulation;

        // The current GOP
        float mGOP;

        // The labels for money
        GUILabel mMoneyIcon;
        GUILabel mMoneyValue;

        // The labels for population
        GUILabel mPopulationIcon;
        GUILabel mPopulationValue;

        // The labels for GOP
        GUILabel mGOPIcon;
        GUILabel mGOPValue;

		// The resource labels we have
		List<CSResourceLabel> mResourceLabels = new List<CSResourceLabel>();

        #endregion

        #region Properties

        /// <summary>
        /// Allows access to the money value that should be displayed.
        /// </summary>
        public int Money
        {
            get { return mMoney; }
            set { mMoney = value; }
        }

        /// <summary>
        /// Allows access to the population value that should be displayed.
        /// </summary>
        public int Population
        {
            get { return mPopulation; }
            set { mPopulation = value; }
        }

        /// <summary>
        /// Allows access to the GOP value that should be displayed.
        /// </summary>
        public float GOP
        {
            get { return mGOP; }
            set { mGOP = value; }
        }

		/// <summary>
		/// Allows access to the list of resource labels.
		/// </summary>
		public List<CSResourceLabel> ResourceLabels
		{
			get { return mResourceLabels; }
		}

        #endregion

		#region Constructs

		public CSStatusDisplayPanel()
        {
            // Clear our list
            Components.Clear();

            // Now go through and create each of the components

            // Money icon and value
            mMoneyIcon = new GUILabel();
            mMoneyValue = new GUILabel();

            // Population icon and value
            mPopulationIcon = new GUILabel();
            mPopulationValue = new GUILabel();

            // GOP icon and value
            mGOPIcon = new GUILabel();
            mGOPValue = new GUILabel();

            // Add them to us
            //this.Add(mMoneyIcon);
            Add(mMoneyValue);
            //this.Add(mPopulationIcon);
            Add(mPopulationValue);
            //this.Add(mGOPIcon);
            Add(mGOPValue);

			// Create the resource labels
			foreach (ResourceCode code in Enum.GetValues(typeof(ResourceCode)))
			{
				// If it's not any of the firsts
				if (code != ResourceCode.A0 && code != ResourceCode.B0 && code != ResourceCode.C0 && code != ResourceCode.None)
				{
					// Create a label
					CSResourceLabel label = new CSResourceLabel();
					label.Resource = code;

					// Add the label
					Add(label);
				}
			}
		}

		#endregion

		#region Initialize

    	public override void Resize()
        {
            // Set the size and such of each of the internals

            // Money icon and value
            mMoneyIcon.Position = new Vector2(Position.X + 12, Position.Y + 12);
            mMoneyIcon.Size = new Vector2( 36, 36 );
            mMoneyValue.Position = new Vector2(mMoneyIcon.Bounds.Right, Position.Y + 18);
            mMoneyValue.Size = new Vector2(Size.X - 6, Size.Y / 13 - 6);

            // Population icon and value
			mPopulationIcon.Position = new Vector2(Position.X + 12, mMoneyIcon.Bounds.Bottom + 3);
            mPopulationIcon.Size = new Vector2(36, 36);
			mPopulationValue.Position = new Vector2(mPopulationIcon.Bounds.Right, mMoneyIcon.Bounds.Bottom + 3);
			mPopulationValue.Size = new Vector2(Size.X - 6, Size.Y / 13 - 6);

            // GOP icon and value
			mGOPIcon.Position = new Vector2(Position.X + 12, mPopulationIcon.Bounds.Bottom + 3);
            mGOPIcon.Size = new Vector2(36, 36);
			mGOPValue.Position = new Vector2(mGOPIcon.Bounds.Right, mPopulationIcon.Bounds.Bottom + 3);
			mGOPValue.Size = new Vector2(Size.X - 6, Size.Y / 13 - 6);

			// Now, for each of the resource labels
			Vector2 position = new Vector2(Position.X + 15, Bounds.Bottom + 15);
			Vector2 size = new Vector2(Size.X + 24 - 6, Size.Y / 5 - 6);
			foreach (GUIComponent component in mResourceLabels)
			{
				// Go through and set the size and position
				component.Position = position;
				component.Size = size;

				// Nopw increment the position
				position.Y += size.Y + 6;
			}

            // Base call
            base.Resize();
        }

        /// <summary>
        /// Load the content for our GUI.
        /// </summary>
        public override void LoadContent()
        {
			// Base call
			base.LoadContent();

            // Load our background texture
			Background = ParentScreen.Content.Load<Texture2D>(@"Textures\GUI\00_sidePanelBackground");

            // Get the mFont we need
            mFont = ParentScreen.Content.Load<SpriteFont>(@"Fonts\InformationPanelFont");

            // Load the content for the panels

            // Money icon and value
            mMoneyIcon.Background = ParentScreen.Content.Load<Texture2D>(@"Textures\MoneyIcon");
            mMoneyValue.Background = null;
            mMoneyValue.Font = mFont;
            mMoneyValue.TextColor = Color.White;

            // Population icon and value
            mPopulationIcon.Background = ParentScreen.Content.Load<Texture2D>(@"Textures\PopulationIcon");
            mPopulationValue.Background = null;
            mPopulationValue.Font = mFont;
            mPopulationValue.TextColor = Color.White;

            // GOP icon and value
            mGOPIcon.Background = ParentScreen.Content.Load<Texture2D>(@"Textures\GOPIcon");
            mGOPValue.Background = null;
            mGOPValue.Font = mFont;
            mGOPValue.TextColor = Color.White;

			// Go through each of the labels
			foreach (CSResourceLabel label in mResourceLabels)
			{
				// Set the amount
				label.ResourceAmount = 0.ToString();

				// Switch on the type
				switch (label.Resource)
				{
					case ResourceCode.A1:
						label.ResourceIcon = ParentScreen.Content.Load<Texture2D>(@"Textures\GUI\ResourceA1Icon");
						break;
					case ResourceCode.A2:
						label.ResourceIcon = ParentScreen.Content.Load<Texture2D>(@"Textures\GUI\ResourceA2Icon");
						break;
					case ResourceCode.A3:
						label.ResourceIcon = ParentScreen.Content.Load<Texture2D>(@"Textures\GUI\ResourceA3Icon");
						break;
					case ResourceCode.B1:
						label.ResourceIcon = ParentScreen.Content.Load<Texture2D>(@"Textures\GUI\ResourceB1Icon");
						break;
					case ResourceCode.B2:
						label.ResourceIcon = ParentScreen.Content.Load<Texture2D>(@"Textures\GUI\ResourceB2Icon");
						break;
					case ResourceCode.B3:
						label.ResourceIcon = ParentScreen.Content.Load<Texture2D>(@"Textures\GUI\ResourceB3Icon");
						break;
					case ResourceCode.C1:
						label.ResourceIcon = ParentScreen.Content.Load<Texture2D>(@"Textures\GUI\ResourceC1Icon");
						break;
					case ResourceCode.C2:
						label.ResourceIcon = ParentScreen.Content.Load<Texture2D>(@"Textures\GUI\ResourceC2Icon");
						break;
					case ResourceCode.C3:
						label.ResourceIcon = ParentScreen.Content.Load<Texture2D>(@"Textures\GUI\ResourceC3Icon");
						break;
				}
			}

            // Call reinitialize to set the sizes
            Resize();
        }

        #endregion

		#region Container

		/// <summary>
		/// Add the given component.
		/// </summary>
		/// <param name="component">The component to add.</param>
		public override void Add(GUIComponent component)
		{
			// Add the component
			base.Add(component);

			// If it's a resource label
			if (component is CSResourceLabel)
			{
				// Add it to the list
				mResourceLabels.Add(component as CSResourceLabel);
			}
		}

		#endregion

		#region Update

		/// <summary>
        /// Update the displayed values.
        /// </summary>
        /// <param name="gameTime">The current game time.</param>
        public override void Update(GameTime gameTime)
        {
            // Base update
            base.Update(gameTime);

            // Set the displayed values as needed
            mMoneyValue.Text = mMoney.ToString();
            mPopulationValue.Text = mPopulation.ToString();
            mGOPValue.Text = mGOP.ToString("00.0") + "%";
        }

        #endregion
    }
}