using System;

using System.Collections.Generic;

using System.Linq;

using ColossalFramework.UI;

using UnityEngine;

/// <summary>

/// The City Vitals Watch settings panel component.

/// </summary>

public class CityVitalsWatchSettingsPanel : UIPanel {

/// <summary>

/// Maps a <see cref="CityVitalsWatchStat"/> to the localization ID of the label used for its name.

/// </summary>

private static readonly Dictionary<CityVitalsWatchStat, string> StatLocaleIdMap = new Dictionary<CityVitalsWatchStat, string>

{

{ CityVitalsWatchStat.ElectricityAvailability, "INFO_ELECTRICITY_AVAILABILITY" },

{ CityVitalsWatchStat.WaterAvailability, "INFO_WATER_WATERAVAILABILITY" },

{ CityVitalsWatchStat.SewageTreatment, "INFO_WATER_SEWAGEAVAILABILITY" },

{ CityVitalsWatchStat.LandfillUsage, "INFO_GARBAGE_LANDFILL" },

{ CityVitalsWatchStat.IncinerationStatus, "INFO_GARBAGE_INCINERATOR" },

{ CityVitalsWatchStat.HealthcareAvailability, "INFO_HEALTH_HEALTHCARE_AVAILABILITY" },

{ CityVitalsWatchStat.AverageHealth, "INFO_HEALTH_AVERAGE" },

{ CityVitalsWatchStat.CemeteryUsage, "INFO_HEALTH_CEMETARYUSAGE" },

{ CityVitalsWatchStat.CrematoriumAvailability, "INFO_HEALTH_CREMATORIUMAVAILABILITY" },

{ CityVitalsWatchStat.FireHazard, "INFO_FIRE_METER" },

{ CityVitalsWatchStat.CrimeRate, "INFO_CRIMERATE_METER" },

{ CityVitalsWatchStat.JailAvailability, "INFO_CRIME_JAIL_AVAILABILITY" },

{ CityVitalsWatchStat.ElementarySchoolAvailability, "INFO_EDUCATION_AVAILABILITY1" },

{ CityVitalsWatchStat.HighSchoolAvailability, "INFO_EDUCATION_AVAILABILITY2" },

{ CityVitalsWatchStat.UniversityAvailability, "INFO_EDUCATION_AVAILABILITY3" },

{ CityVitalsWatchStat.Employment, "STATS_9" },

};

private static readonly float PanelWidth = 215f;

private static readonly float TitleBarHeight = 40f;

private UIPanel controlPanel;

private UICheckBox defaultVisibilityCheckBox;

private UICheckBox transparentUnhoveredCheckBox;

private Dictionary<CityVitalsWatchStat, UICheckBox> statControlMap;

/// <summary>

/// Initializes the panel's controls.

/// </summary>

/// <param name="titleFont">The font to use for the settings panel title.</param>

/// <param name="labelTemplate">The template to use for all settings labels.</param>

public void Initialize(UIFont titleFont, UILabel labelTemplate) {

this.backgroundSprite = "MenuPanel";

this.isVisible = false;

this.canFocus = true;

this.isInteractive = true;

this.height = TitleBarHeight + 8f;

this.width = PanelWidth;

this.CreatePanelTitle(titleFont);

this.CreateDragHandle();

this.CreateCloseButton();

this.CreateControlPanel();

int zOrder = 1;

this.defaultVisibilityCheckBox = this.CreateSettingsControl(

CityVitalsWatch.Settings.DefaultPanelVisibility, "Default Visibility", true, labelTemplate, ref zOrder);

this.transparentUnhoveredCheckBox = this.CreateSettingsControl(

CityVitalsWatch.Settings.TransparentUnhovered, "Transparent Unhovered", true, labelTemplate, ref zOrder);

this.statControlMap = new Dictionary<CityVitalsWatchStat, UICheckBox>();

foreach (CityVitalsWatchStat stat in Enum.GetValues(typeof(CityVitalsWatchStat)).Cast<CityVitalsWatchStat>()) {

this.statControlMap[stat] = this.CreateSettingsControl(

CityVitalsWatch.Settings.StatDisplayed(stat), StatLocaleIdMap[stat], false, labelTemplate, ref zOrder);

}

}

/// <summary>

/// Creates and positions a drag handle to allow the panel to be moved by its title bar.

/// </summary>

private void CreateDragHandle() {

var dragHandleObject = new GameObject("DragHandler");

dragHandleObject.transform.parent = this.transform;

dragHandleObject.transform.localPosition = Vector3.zero;

var dragHandle = dragHandleObject.AddComponent<UIDragHandle>();

dragHandle.width = this.width;

dragHandle.height = TitleBarHeight;

dragHandle.zOrder = 0;

dragHandle.BringToFront();

}

/// <summary>

/// Creates and positions the panel's close button.

/// </summary>

private void CreateCloseButton() {

var closeButtonObject = new GameObject("CloseButton");

closeButtonObject.transform.parent = this.transform;

closeButtonObject.transform.localPosition = Vector3.zero;

var closeButton = closeButtonObject.AddComponent<UIButton>();

closeButton.width = 32f;

closeButton.height = 32f;

closeButton.normalBgSprite = "buttonclose";

closeButton.hoveredBgSprite = "buttonclosehover";

closeButton.pressedBgSprite = "buttonclosepressed";

closeButton.relativePosition = new Vector3(this.width - closeButton.width, 2f);

closeButton.eventClick += OnCloseButtonClick;

}

/// <summary>

/// Creates and positions the panel's title label.

/// </summary>

/// <param name="font">The font to use for the title.</param>

private void CreatePanelTitle(UIFont font) {

var titleObject = new GameObject("Title");

titleObject.transform.parent = this.transform;

titleObject.transform.localPosition = Vector3.zero;

var title = titleObject.AddComponent<UILabel>();

title.text = "City Vitals Settings";

title.textAlignment = UIHorizontalAlignment.Center;

title.font = font;

title.position = new Vector3((this.width / 2f) - (title.width / 2f), -20f + (title.height / 2f));

}

/// <summary>

/// Creates and positions the sub-panel to contain all settings controls.

/// </summary>

private void CreateControlPanel() {

var controlPanelObject = new GameObject("ControlPanel");

controlPanelObject.transform.parent = this.transform;

this.controlPanel = controlPanelObject.AddComponent<UIPanel>();

this.controlPanel.transform.localPosition = Vector3.zero;

this.controlPanel.width = this.width;

this.controlPanel.height = 0f;

this.controlPanel.autoLayoutDirection = LayoutDirection.Vertical;

this.controlPanel.autoLayoutStart = LayoutStart.TopLeft;

this.controlPanel.autoLayoutPadding = new RectOffset(8, 16, 0, 20);

this.controlPanel.autoLayout = true;

this.controlPanel.relativePosition = new Vector3(0f, TitleBarHeight + 5f);

this.controlPanel.autoSize = true;

}

/// <summary>

/// Creates and positions a check box, sprite, and label.

/// </summary>

/// <param name="value">The value of the check box.</param>

/// <param name="localeId">The localization ID of the label or a string if <paramref name="setRawText"/> is true.</param>

/// <param name="setRawText">Indicates whether the text of the label should be set instead of the localization ID.</param>

/// <param name="labelTemplate">The template to use for the label.</param>

/// <param name="zOrder">The order index of the control used when automatically layout out the control.</param>

/// <returns>The created check box control.</returns>

private UICheckBox CreateSettingsControl(bool value, string localeId, bool setRawText, UILabel labelTemplate, ref int zOrder) {

// First, create the check box for the setting

GameObject checkBoxObject = new GameObject("CheckBox" + zOrder);

checkBoxObject.transform.parent = this.controlPanel.transform;

UICheckBox checkBox = checkBoxObject.AddComponent<UICheckBox>();

checkBox.autoSize = true;

checkBox.zOrder = zOrder;

zOrder++;

// Create the sprite displayed when the check box is unchecked and position it within the check box

GameObject uncheckedObject = new GameObject("Unchecked");

uncheckedObject.transform.parent = checkBox.transform;

UISprite uncheckedSprite = uncheckedObject.AddComponent<UISprite>();

uncheckedSprite.spriteName = "check-unchecked";

uncheckedSprite.width = 16f;

uncheckedSprite.height = 16f;

uncheckedSprite.relativePosition = new Vector3(3f, 3f);

// Create the sprite displayed when the check box is checked and position it within the check box

GameObject checkedObject = new GameObject("Checked");

checkedObject.transform.parent = uncheckedSprite.transform;

UISprite checkedSprite = checkedObject.AddComponent<UISprite>();

checkedSprite.spriteName = "check-checked";

checkedSprite.width = 16f;

checkedSprite.height = 16f;

checkedSprite.relativePosition = Vector3.zero;

checkBox.checkedBoxObject = checkedSprite;

// Create the label to display the setting's name and position it within the check box

GameObject labelObject = new GameObject("Label");

labelObject.transform.parent = checkBox.transform;

labelObject.transform.localPosition = Vector3.zero;

UILabel label = labelObject.AddComponent<UILabel>();

label.font = labelTemplate.font;

label.textColor = labelTemplate.textColor;

label.textScale = labelTemplate.textScale;

if (setRawText) {

label.text = localeId;

}

else {

label.localeID = localeId;

}

label.relativePosition = new Vector3(25f, 4f);

checkBox.isChecked = value;

var panelHeightAdjustment = checkBox.height + this.controlPanel.autoLayoutPadding.top + this.controlPanel.autoLayoutPadding.bottom;

this.height += panelHeightAdjustment;

this.controlPanel.height += panelHeightAdjustment;

return checkBox;

}

/// <summary>

/// Called when the close button is clicked, saving settings and recreating the panel if any settings were changed

/// and making the panel invisible if not.

/// </summary>

/// <param name="component">The close button component.</param>

/// <param name="eventParam">The event parameters.</param>

private void OnCloseButtonClick(UIComponent component, UIMouseEventParameter eventParam) {

bool settingsChanged = false;

if (this.defaultVisibilityCheckBox.isChecked != CityVitalsWatch.Settings.DefaultPanelVisibility) {

CityVitalsWatch.Settings.DefaultPanelVisibility = this.defaultVisibilityCheckBox.isChecked;

settingsChanged = true;

}

if (this.transparentUnhoveredCheckBox.isChecked != CityVitalsWatch.Settings.TransparentUnhovered) {

CityVitalsWatch.Settings.TransparentUnhovered = this.transparentUnhoveredCheckBox.isChecked;

settingsChanged = true;

}

foreach (CityVitalsWatchStat stat in Enum.GetValues(typeof(CityVitalsWatchStat)).Cast<CityVitalsWatchStat>()) {

if (this.statControlMap[stat].isChecked != CityVitalsWatch.Settings.StatDisplayed(stat)) {

CityVitalsWatch.Settings.SetStatDisplayed(stat, this.statControlMap[stat].isChecked);

settingsChanged = true;

}

}

this.isVisible = false;

// If any settings were changed, recreate the panel

if (settingsChanged) {

CityVitalsWatchLoader.DestroyPanel();

CityVitalsWatchLoader.CreatePanel();

}

}

}

}