using System.ComponentModel.DataAnnotations;

namespace ODCWeb.Models.ViewModels
{
	/// <summary>
	/// ViewModel for generated BQ items used in BQ Generation views
	/// </summary>  
	public class GeneratedBQItemViewModel
	{
		[Display(Name = "Item Letter")]
		public string ItemLetter { get; set; } = string.Empty;

		[Display(Name = "Section Title")]
		public string SectionTitle { get; set; } = string.Empty;

		[Display(Name = "Section Order")]
		public int SectionOrder { get; set; }

		[Display(Name = "Item Title")]
		public string ItemTitle { get; set; } = string.Empty;

		[Display(Name = "Item Order")]
		public int ItemOrder { get; set; }

		[Display(Name = "Unit of Measure")]
		public string Unit { get; set; } = string.Empty;

		[Display(Name = "Quantity")]
		[DisplayFormat(DataFormatString = "{0:#,##0.00}", ApplyFormatInEditMode = true)]
		public double Quantity { get; set; }

		[Display(Name = "Rate")]
		[DisplayFormat(DataFormatString = "{0:C}", ApplyFormatInEditMode = true)]
		public double Rate { get; set; }

		[Display(Name = "Amount")]
		[DisplayFormat(DataFormatString = "{0:C}", ApplyFormatInEditMode = true)]
		public double Amount { get; set; }

		[Display(Name = "Notes")]
		public string Notes { get; set; } = string.Empty;

		[Display(Name = "Formula Expression")]
		public string FormulaExpression { get; set; } = string.Empty;

		[Display(Name = "Project Name")]
		public string ProjectName { get; set; } = string.Empty;

		[Display(Name = "Project Location")]
		public string ProjectLocation { get; set; } = string.Empty;

		// NEW PROPERTIES FOR HIERARCHY
		[Display(Name = "Floor Name")]
		public string FloorName { get; set; } = string.Empty;

		[Display(Name = "Minor Section")]
		public string MinorSection { get; set; } = string.Empty;

		[Display(Name = "Original Section Title")]
		public string OriginalSectionTitle { get; set; } = string.Empty;

		[Display(Name = "Original Item Title")]
		public string OriginalItemTitle { get; set; } = string.Empty;

		// Calculated properties for progress tracking
		[Display(Name = "Progress")]
		[DisplayFormat(DataFormatString = "{0:P2}", ApplyFormatInEditMode = true)]
		public double Progress { get; set; } = 0; // Default to 0% progress

		[Display(Name = "Completed Amount")]
		[DisplayFormat(DataFormatString = "{0:C}", ApplyFormatInEditMode = true)]
		public double CompletedAmount => Amount * Progress;

		[Display(Name = "Balance Amount")]
		[DisplayFormat(DataFormatString = "{0:C}", ApplyFormatInEditMode = true)]
		public double BalanceAmount => Amount - CompletedAmount;

		// Additional helper properties
		[Display(Name = "Is Completed")]
		public bool IsCompleted => Progress >= 1.0;

		[Display(Name = "Completion Percentage")]
		public string CompletionPercentage => $"{Progress * 100:0}%";

		[Display(Name = "Status")]
		public string Status
		{
			get
			{
				if (Progress == 0) return "Not Started";
				if (Progress >= 1.0) return "Completed";
				return "In Progress";
			}
		}

		[Display(Name = "Status Badge Class")]
		public string StatusBadgeClass
		{
			get
			{
				if (Progress == 0) return "bg-secondary";
				if (Progress >= 1.0) return "bg-success";
				if (Progress >= 0.5) return "bg-warning";
				return "bg-info";
			}
		}

		// Hierarchy display helpers
		[Display(Name = "Full Hierarchy Path")]
		public string FullHierarchyPath
		{
			get
			{
				var parts = new List<string>();

				if (!string.IsNullOrEmpty(FloorName))
					parts.Add(FloorName);

				if (!string.IsNullOrEmpty(SectionTitle))
					parts.Add(SectionTitle);

				if (!string.IsNullOrEmpty(MinorSection))
					parts.Add(MinorSection);

				return string.Join(" → ", parts);
			}
		}

		[Display(Name = "Display Title")]
		public string DisplayTitle
		{
			get
			{
				// For display purposes, show clean item title without mini section
				return ItemTitle;
			}
		}

		[Display(Name = "Has Minor Section")]
		public bool HasMinorSection => !string.IsNullOrEmpty(MinorSection);
		public double ImperialQuantity { get; set; }
		public string ImperialUnit { get; set; }
		public double ImperialRate { get; set; }
		public double ImperialAmount { get; set; }
	}
}