using System;
using System.Collections.Generic;
using Godot;
using Godot.Collections;
using Models;

namespace Core;

/// <summary>
/// 学科定义资源（先落地一个完整示例）
/// 设计说明：
/// 1) 为避免 .tres 过度嵌套，字段保持扁平化。
/// 2) Buff 规则通过 RuleIds 存储，数值效果可后续用 JSON 增补。
/// 注意事项：
/// - Id 与资源路径应稳定且小写下划线。
/// 未来扩展：
/// - 可补充 Modifiers/AllowedRoles 等字段，进一步丰富配置能力。
/// </summary>
[GlobalClass]
public partial class DisciplineDefinitionResource : Resource, IContentResource
{
	// --- Header ---
	[Export] public string Id { get; set; }
	[Export] public string NameKey { get; set; }
	[Export] public string NameFallback { get; set; }
	[Export] public string DescriptionKey { get; set; }
	[Export] public string DescriptionFallback { get; set; }
	[Export] public string IconPath { get; set; }
	[Export] public Array<string> Tags { get; set; } = new();

	// --- Buff ---
	[Export] public string BuffNameKey { get; set; }
	[Export] public string BuffNameFallback { get; set; }
	[Export] public string BuffDescriptionKey { get; set; }
	[Export] public string BuffDescriptionFallback { get; set; }
	[Export] public Array<string> BuffRuleIds { get; set; } = new();

	// --- Pools ---
	[Export] public Array<string> RolePoolIds { get; set; } = new();
	[Export] public Array<string> ItemPoolIds { get; set; } = new();
	[Export] public Array<string> TaskKeywordIds { get; set; } = new();

	public Type GetDefinitionType() => typeof(DisciplineDefinition);

	public object ToDefinition()
	{
		var header = new DefinitionHeader
		{
			Id = Id,
			IconPath = IconPath,
			Name = new LocalizedText
			{
				Key = NameKey,
				Fallback = NameFallback
			},
			Description = new LocalizedText
			{
				Key = DescriptionKey,
				Fallback = DescriptionFallback
			}
		};

		foreach (var tag in Tags)
		{
			header.Tags.Add(tag);
		}

		var buff = new DisciplineBuff
		{
			Name = new LocalizedText
			{
				Key = BuffNameKey,
				Fallback = BuffNameFallback
			},
			Description = new LocalizedText
			{
				Key = BuffDescriptionKey,
				Fallback = BuffDescriptionFallback
			},
			Modifiers = new ModifierBundle()
		};

		foreach (var ruleId in BuffRuleIds)
		{
			buff.Modifiers.RuleIds.Add(ruleId);
		}

		var definition = new DisciplineDefinition
		{
			Header = header,
			Buff = buff
		};

		AddRange(RolePoolIds, definition.RolePoolIds);
		AddRange(ItemPoolIds, definition.ItemPoolIds);
		AddRange(TaskKeywordIds, definition.TaskKeywordIds);

		return definition;
	}

	private static void AddRange(Array<string> source, List<string> target)
	{
		foreach (var value in source)
		{
			target.Add(value);
		}
	}
}