using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text.Encodings.Web;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;

namespace AxCopilot.Services.Agent;

public class SuggestActionsTool : IAgentTool
{
	public string Name => "suggest_actions";

	public string Description => "Suggest 2-5 follow-up actions after completing a task. Returns structured JSON that the UI renders as clickable action chips. Each action has a label (display text), command (slash command or natural language prompt), optional icon (Segoe MDL2 Assets code), and priority (high/medium/low).";

	public ToolParameterSchema Parameters
	{
		get
		{
			ToolParameterSchema obj = new ToolParameterSchema
			{
				Properties = new Dictionary<string, ToolProperty>
				{
					["actions"] = new ToolProperty
					{
						Type = "array",
						Description = "List of action objects. Each object: {\"label\": \"표시 텍스트\", \"command\": \"/slash 또는 자연어\", \"icon\": \"\\uE8A5\" (optional), \"priority\": \"high|medium|low\"}",
						Items = new ToolProperty
						{
							Type = "object",
							Description = "Action object with label, command, icon, priority"
						}
					},
					["context"] = new ToolProperty
					{
						Type = "string",
						Description = "Current task context summary (optional)"
					}
				}
			};
			int num = 1;
			List<string> list = new List<string>(num);
			CollectionsMarshal.SetCount(list, num);
			CollectionsMarshal.AsSpan(list)[0] = "actions";
			obj.Required = list;
			return obj;
		}
	}

	public Task<ToolResult> ExecuteAsync(JsonElement args, AgentContext context, CancellationToken ct = default(CancellationToken))
	{
		try
		{
			if (!args.TryGetProperty("actions", out var value) || value.ValueKind != JsonValueKind.Array)
			{
				return Task.FromResult(ToolResult.Fail("actions 배열이 필요합니다."));
			}
			List<Dictionary<string, string>> list = new List<Dictionary<string, string>>();
			foreach (JsonElement item in value.EnumerateArray())
			{
				JsonElement value3;
				string value2 = (item.TryGetProperty("label", out value3) ? (value3.GetString() ?? "") : "");
				JsonElement value5;
				string value4 = (item.TryGetProperty("command", out value5) ? (value5.GetString() ?? "") : "");
				JsonElement value7;
				string value6 = (item.TryGetProperty("icon", out value7) ? (value7.GetString() ?? "") : "");
				JsonElement value9;
				string value8 = (item.TryGetProperty("priority", out value9) ? (value9.GetString() ?? "medium") : "medium");
				if (string.IsNullOrWhiteSpace(value2))
				{
					return Task.FromResult(ToolResult.Fail("각 action에는 label이 필요합니다."));
				}
				if (string.IsNullOrWhiteSpace(value4))
				{
					return Task.FromResult(ToolResult.Fail("각 action에는 command가 필요합니다."));
				}
				string[] source = new string[3] { "high", "medium", "low" };
				if (!source.Contains(value8))
				{
					value8 = "medium";
				}
				Dictionary<string, string> dictionary = new Dictionary<string, string>
				{
					["label"] = value2,
					["command"] = value4,
					["priority"] = value8
				};
				if (!string.IsNullOrEmpty(value6))
				{
					dictionary["icon"] = value6;
				}
				list.Add(dictionary);
			}
			if (list.Count < 1 || list.Count > 5)
			{
				return Task.FromResult(ToolResult.Fail("actions는 1~5개 사이여야 합니다."));
			}
			JsonElement value11;
			string value10 = (args.TryGetProperty("context", out value11) ? (value11.GetString() ?? "") : "");
			Dictionary<string, object> dictionary2 = new Dictionary<string, object>
			{
				["type"] = "suggest_actions",
				["actions"] = list
			};
			if (!string.IsNullOrEmpty(value10))
			{
				dictionary2["context"] = value10;
			}
			string output = JsonSerializer.Serialize(dictionary2, new JsonSerializerOptions
			{
				WriteIndented = true,
				Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
			});
			return Task.FromResult(ToolResult.Ok(output));
		}
		catch (Exception ex)
		{
			return Task.FromResult(ToolResult.Fail("액션 제안 오류: " + ex.Message));
		}
	}
}
