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 ---
    /// <summary>
    ///     学科ID
    /// </summary>
    [Export]
    public string Id { get; set; }

    /// <summary>
    ///     名称键值
    /// </summary>
    [Export]
    public string NameKey { get; set; }

    /// <summary>
    ///     名称默认值
    /// </summary>
    [Export]
    public string NameFallback { get; set; }

    /// <summary>
    ///     描述键值
    /// </summary>
    [Export]
    public string DescriptionKey { get; set; }

    /// <summary>
    ///     描述默认值
    /// </summary>
    [Export]
    public string DescriptionFallback { get; set; }

    /// <summary>
    ///     图标路径
    /// </summary>
    [Export]
    public string IconPath { get; set; }

    /// <summary>
    ///     标签列表
    /// </summary>
    [Export]
    public Array<string> Tags { get; set; } = new();

    // --- Buff ---
    /// <summary>
    ///     Buff名称键值
    /// </summary>
    [Export]
    public string BuffNameKey { get; set; }

    /// <summary>
    ///     Buff名称默认值
    /// </summary>
    [Export]
    public string BuffNameFallback { get; set; }

    /// <summary>
    ///     Buff描述键值
    /// </summary>
    [Export]
    public string BuffDescriptionKey { get; set; }

    /// <summary>
    ///     Buff描述默认值
    /// </summary>
    [Export]
    public string BuffDescriptionFallback { get; set; }

    /// <summary>
    ///     Buff规则ID列表
    /// </summary>
    [Export]
    public Array<string> BuffRuleIds { get; set; } = new();

    // --- Pools ---
    /// <summary>
    ///     角色池ID列表
    /// </summary>
    [Export]
    public Array<string> RolePoolIds { get; set; } = new();

    /// <summary>
    ///     物品池ID列表
    /// </summary>
    [Export]
    public Array<string> ItemPoolIds { get; set; } = new();

    /// <summary>
    ///     任务关键词ID列表
    /// </summary>
    [Export]
    public Array<string> TaskKeywordIds { get; set; } = new();

    /// <summary>
    ///     获取定义类型
    /// </summary>
    /// <returns>类型</returns>
    public Type GetDefinitionType() {
        return typeof(DisciplineDefinition);
    }

    /// <summary>
    ///     转换为定义对象
    /// </summary>
    /// <returns>定义对象</returns>
    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;
    }

    /// <summary>
    ///     添加范围
    /// </summary>
    /// <param name="source">源数组</param>
    /// <param name="target">目标列表</param>
    private static void AddRange(Array<string> source, List<string> target) {
        foreach (var value in source) target.Add(value);
    }
}