using DataModel.Database;
using Processor;
using UI_WinForms.Dialogs;
using UI_WinForms.Resources;

namespace UI_WinForms.Components;

public partial class TextElements : UserControl
{
    private Section? currentSection;
    
    public TextElements()
    {
        this.InitializeComponent();
        
        // Check if we are in the designer:
        if(Program.SERVICE_PROVIDER is null)
            return;
        
        // Create an image list from a resource:
        var imgList = new ImageList();
        imgList.ImageSize = new Size(45, 45);
        imgList.ColorDepth = ColorDepth.Depth32Bit;
        imgList.Images.Add(Icons.icons8_align_text_left_512);
        
        // Set the image list to the list box:
        this.listTextElements.SmallImageList = imgList;

        // When the section is changed, update this component:
        AppEvents.WhenSectionChanged += async (sender, section) =>
        {
            this.currentSection = section;
            this.buttonAdd.Enabled = this.currentSection is not null;
            
            // Update the path:
            if (this.currentSection is null)
                return;
            
            this.labelSectionPath.Text = await SectionProcessor.GetSectionPath(this.currentSection.DataKey);
            this.LoadTextElements();
        };
    }
    
    // Loads all the text elements for the current section.
    private async void LoadTextElements()
    {
        if (this.currentSection is null)
            return;
        
        // Load the text elements:
        var textElements = await TextElementProcessor.GetTextElements(this.currentSection);
        
        // Update the list:
        this.listTextElements.Items.Clear();
        foreach (var textElement in textElements)
            this.listTextElements.Items.Add(new ListViewItem(textElement.Name, 0)
            {
                Tag = textElement.Code,
            });
        
        this.column.AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
    }
    
    private async void buttonAdd_Click(object sender, EventArgs e)
    {
        if(this.DesignMode)
            return;
        
        var result = InputDialog.Show(new InputDialog.Options(
            Message: "Please type the desired text element's name.",
            Title: "Add a text element",
            Placeholder: "My text element",
            ShowQuestionCheckbox: false
        ));
        
        if(result.DialogResult == DialogResult.Cancel)
            return;
        
        // Add the text element to the database into the current section:
        var newTextElement = await TextElementProcessor.AddTextElement(this.currentSection?.DataKey, result.Text);
        newTextElement.ProcessError();
        
        if(!newTextElement.Successful)
            return;
        
        // Add the text element to the list:
        this.listTextElements.Items.Add(new ListViewItem(newTextElement.Result!.Name, 0)
        {
            Tag = newTextElement.Result.Code,
        });
        
        this.column.AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
    }

    private void buttonRemove_Click(object sender, EventArgs e)
    {

    }
    
    private void buttonRename_Click(object sender, EventArgs e)
    {

    }
}