using System.Collections.Generic;
using System.IO;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace Questionable.LgbWorker;

internal sealed class LgbWorkerManifest
{
	[JsonPropertyName("sqpackPath")]
	public string SqpackPath { get; set; } = string.Empty;

	[JsonPropertyName("gameVersion")]
	public string GameVersion { get; set; } = string.Empty;

	[JsonPropertyName("npcCachePath")]
	public string NpcCachePath { get; set; } = string.Empty;

	[JsonPropertyName("boundaryCachePath")]
	public string BoundaryCachePath { get; set; } = string.Empty;

	[JsonPropertyName("territories")]
	public List<TerritoryEntry> Territories { get; set; } = new List<TerritoryEntry>();

	[JsonPropertyName("levelEntries")]
	public List<LevelEntry> LevelEntries { get; set; } = new List<LevelEntry>();

	public static LgbWorkerManifest Load(string path)
	{
		using FileStream utf8Json = File.OpenRead(path);
		LgbWorkerManifest? obj = JsonSerializer.Deserialize<LgbWorkerManifest>(utf8Json) ?? throw new InvalidDataException("Manifest deserialized to null");
		if (string.IsNullOrWhiteSpace(obj.SqpackPath))
		{
			throw new InvalidDataException("SqpackPath is missing");
		}
		if (string.IsNullOrWhiteSpace(obj.GameVersion))
		{
			throw new InvalidDataException("GameVersion is missing");
		}
		return obj;
	}
}