using System;
using System.Collections.Generic;
using LLib.GameData;

namespace LLib.Gear;

public sealed class StatPriority
{
	private readonly IReadOnlyDictionary<EBaseParam, float> _weights;

	public IReadOnlyDictionary<EBaseParam, float> Weights => _weights;

	public StatPriority(IReadOnlyDictionary<EBaseParam, float> weights)
	{
		_weights = weights;
	}

	public float Score(EquipmentStats stats)
	{
		float num = 0f;
		foreach (var (param, num3) in _weights)
		{
			if (num3 != 0f)
			{
				num += (float)stats.Get(param) * num3;
			}
		}
		return num;
	}

	public static StatPriority ForJob(EClassJob job)
	{
		EBaseParam[] relevantParams = GetRelevantParams(job);
		Dictionary<EBaseParam, float> dictionary = new Dictionary<EBaseParam, float>(relevantParams.Length);
		EBaseParam[] array = relevantParams;
		foreach (EBaseParam key in array)
		{
			dictionary[key] = 1f;
		}
		return new StatPriority(dictionary);
	}

	private static EBaseParam[] GetRelevantParams(EClassJob job)
	{
		if (job.IsCrafter())
		{
			return new EBaseParam[3]
			{
				EBaseParam.CP,
				EBaseParam.Control,
				EBaseParam.Craftsmanship
			};
		}
		if (job.IsGatherer())
		{
			return new EBaseParam[3]
			{
				EBaseParam.GP,
				EBaseParam.Gathering,
				EBaseParam.Perception
			};
		}
		if (job.IsHealer())
		{
			return new EBaseParam[5]
			{
				EBaseParam.Mind,
				EBaseParam.Piety,
				EBaseParam.SpellSpeed,
				EBaseParam.Determination,
				EBaseParam.Crit
			};
		}
		if (job.IsTank())
		{
			return new EBaseParam[7]
			{
				EBaseParam.Strength,
				EBaseParam.Vitality,
				EBaseParam.Determination,
				EBaseParam.Tenacity,
				EBaseParam.DirectHit,
				EBaseParam.Crit,
				EBaseParam.SkillSpeed
			};
		}
		bool flag = job.IsPhysicalRanged();
		if (!flag)
		{
			bool flag2 = ((job - 29 <= EClassJob.Gladiator || job == EClassJob.Viper) ? true : false);
			flag = flag2;
		}
		if (flag)
		{
			return new EBaseParam[5]
			{
				EBaseParam.Dexterity,
				EBaseParam.Determination,
				EBaseParam.DirectHit,
				EBaseParam.Crit,
				EBaseParam.SkillSpeed
			};
		}
		if (job.IsMelee())
		{
			return new EBaseParam[5]
			{
				EBaseParam.Strength,
				EBaseParam.Determination,
				EBaseParam.DirectHit,
				EBaseParam.Crit,
				EBaseParam.SkillSpeed
			};
		}
		if (job.IsCaster())
		{
			return new EBaseParam[5]
			{
				EBaseParam.Intelligence,
				EBaseParam.Determination,
				EBaseParam.DirectHit,
				EBaseParam.Crit,
				EBaseParam.SpellSpeed
			};
		}
		return Array.Empty<EBaseParam>();
	}
}