using System;
using BumpCombat.Core;
using BumpCombat.Enemies;
using UnityEngine;

namespace BumpCombat.Constants
{
    public enum RoomScaleComparisonMode
    {
        Disabled = 0,
        Original = 1,
        Expanded = 2,
    }

    [Serializable]
    public struct SpawnDensityPhase
    {
        [Tooltip("다음 단계로 넘어가는 진행시간 (초). 마지막 단계는 무시됩니다.")]
        public float EndTimeSeconds;
        [Min(0)] public int CrowdTarget;
        [Min(0)] public int NormalTarget;

        public SpawnDensityPhase(float endTimeSeconds, int crowdTarget, int normalTarget)
        {
            EndTimeSeconds = endTimeSeconds;
            CrowdTarget = crowdTarget;
            NormalTarget = normalTarget;
        }
    }

    [CreateAssetMenu(menuName = "BumpCombat/Constants/Run and Spawning")]
    public sealed class RunConstants : ScriptableObject
    {
        [Header("런 이벤트 시간표 (초)")]
        public float[] DevelopmentEliteEventTimes = { 36f, 72f, 108f, 144f, 180f, 216f };
        public float[] FormalEliteEventTimes = { 180f, 360f, 540f, 720f, 900f, 1080f };
        public float[] ProductionEliteEventTimes = { 180f, 360f, 540f, 720f };
        [Min(0f)] public float DevelopmentProgressionMultiplier = 5f;
        [Min(0f)] public float DevelopmentMidBossEventTime = 120f;
        [Min(0f)] public float DevelopmentFinalBossEventTime = 240f;
        [Min(0f)] public float FormalMidBossEventTime = 600f;
        [Min(0f)] public float FormalFinalBossEventTime = 1200f;
        [Min(0f)] public float ProductionMidBossEventTime = 600f;
        [Min(0f)] public float ProductionFinalBossEventTime = 900f;
        [Min(0)] public int DevelopmentStartupArtifactSelectionCount = 3;
        [Min(0)] public int ProductionStartupArtifactSelectionCount = 1;
        [Min(0)] public int LegacyStartupArtifactSelectionCount = 3;

        [Header("스폰 밀도 단계")]
        [Tooltip("순서대로 시작시점, 1분, 3분, 5분, 10분 이후의 군중형/일반형 목표 수")]
        public SpawnDensityPhase[] SpawnDensity =
        {
            new(60f, 3, 3), new(180f, 6, 4), new(300f, 12, 4),
            new(600f, 19, 5), new(float.PositiveInfinity, 27, 5),
        };
        [Min(0)] public int TimedEventCrowdTarget = 5;
        [Min(0)] public int TimedEventNormalTarget = 3;
        [Min(0)] public int FinalBossMaximumCrowdTarget = 2;

        [Header("웨이브")]
        [Min(1)] public int MaximumAliveEnemies = 100;
        [Min(1)] public int MaximumBossEncounterEnemies = 8;
        [Min(0.1f)] public float WaveInterval = 5f;
        [Min(0.1f)] public float TimedEventWaveInterval = 12f;
        [Min(1)] public int MaximumWaveSize = 3;
        [Min(1)] public int MaximumTimedEventWaveSize = 1;
        [Min(0f)] public float InitialWaveDelay = 0.5f;

        [Header("실제 플레이 유입량·습격")]
        [Min(0)] public int ProductionWaveCrowdSize = 2;
        [Min(0)] public int ProductionWaveNormalSize = 1;
        [Min(0)] public int ProductionTimedEventCrowdSize = 1;
        [Min(0f)] public float ProductionSwarmInterval = 90f;
        [Min(0f)] public float ProductionSwarmBossExclusionWindow = 30f;
        [Min(0f)] public float ProductionSwarmEarlyEndTime = 300f;
        [Min(0f)] public float ProductionSwarmMidEndTime = 600f;
        [Min(0)] public int ProductionSwarmEarlyCount = 16;
        [Min(0)] public int ProductionSwarmMidCount = 20;
        [Min(0)] public int ProductionSwarmLateCount = 24;
        [Min(1)] public int ProductionSwarmBatchSize = 4;
        [Min(0.1f)] public float ProductionSwarmBatchInterval = 2f;

        [Header("스폰 위치")]
        [Min(0f)] public float SpawnEdgeInset = 0.25f;
        [Min(0f)] public float PlayerSafeSpawnDistance = 4f;
        [Min(0f)] public float SpawnCameraMargin = 0.5f;
        [Min(0f)] public float SummonSpawnRadius = 2.5f;
        [Min(0f)] public float SummonSpawnMinimumSeparation = 1.5f;
        [Min(0f)] public float SummonSpawnPlayerClearance = 1.25f;
        public Vector2 FallbackSpawnHalfExtents = new(14.5f, 7.8125f);
        [Tooltip("시간 중간보스의 후보 프리팹 종류")]
        public EnemyKind[] MidBossKinds = { EnemyKind.GreatswordSkeleton, EnemyKind.NecroGolem };

        [Header("이벤트 적 기본 튜닝")]
        public RunEventEnemyTuning EliteTuning = RunEventEnemyTuning.Create(
            EnemyKind.Lancer, 3f, 30, 1.25f, Color.white, 1.05f, 1.1f, 0.85f, 1f,
            0.7f, 1f, 1.1f, 1.15f, 1f, 2, 0.7f, 0.35f, 2, 0.65f, true);
        public RunEventEnemyTuning MidBossTuning = RunEventEnemyTuning.Create(
            EnemyKind.GreatswordSkeleton, 8f, 100, 1.6f, new Color(1f, 0.35f, 0.3f),
            0.9f, 1.25f, 0.95f, 1f, 0.8f, 1.15f, 1f, 1f, 1.35f, 2, 0.7f,
            0.4f, 3, 0.3f, false);
        public RunEventEnemyTuning FinalBossTuning = RunEventEnemyTuning.Create(
            EnemyKind.Warlock, 15f, 0, 2f, new Color(0.75f, 0.35f, 1f), 0.85f,
            1.25f, 0.9f, 1f, 0.75f, 1f, 1f, 1f, 1.25f, 3, 0.75f, 0.3f,
            4, 0.15f, false);
        [Min(1f)] public float ProductionMidBossHealthMultiplier = 7f;
        [Min(1f)] public float ProductionFinalBossHealthMultiplier = 12f;
        [Tooltip("순서대로 첫 번째, 두 번째, 세 번째, 이후 시간 엘리트 체력 배율")]
        public float[] ProductionEliteHealthMultipliers = { 2.5f, 3.5f, 3.5f, 5f };
        [Tooltip("순서대로 첫 번째, 두 번째, 세 번째, 이후 시간 엘리트 공격 배율")]
        public float[] ProductionEliteAttackDamageMultipliers = { 1f, 1f, 1.1f, 1.2f };
        [Tooltip("순서대로 첫 번째, 두 번째, 세 번째, 이후 시간 엘리트 연속 공격 수")]
        public int[] ProductionEliteAttacksPerSequence = { 1, 2, 3, 2 };
        [Tooltip("엘리트 순환에 사용할 적 종류")]
        public EnemyKind[] EliteKinds =
        {
            EnemyKind.ArmoredSkeleton,
            EnemyKind.Werewolf,
            EnemyKind.Werebear,
        };
        [Tooltip("개발 런에서 순서대로 적용할 엘리트 연속 공격 수")]
        public int[] DevelopmentEliteAttacksPerSequence = { 2, 2, 3 };
        [Tooltip("생산 런에서 순서대로 적용할 엘리트 경고시간 배율")]
        public float[] ProductionEliteWarningDurationMultipliers = { 1f, 0.85f, 0.85f, 0.85f };
        [Tooltip("생산 런에서 순서대로 적용할 엘리트 회복시간 배율")]
        public float[] ProductionEliteRecoveryDurationMultipliers = { 1f, 0.7f, 0.7f, 0.7f };

        [Header("전장")]
        public Vector2 ArenaBackgroundHalfExtents = new(15f, 8.4375f);
        public Vector2 ArenaPlayableHalfExtents = new(15f, 8.4375f);
        public Vector2 ArenaPlayerPadding = new(0.5f, 0.625f);
        public Vector2 ArenaCameraViewHalfExtents = new(10f, 5.625f);
        [Tooltip("스테이지 방에서 사용할 플레이어 추적 시야의 반쪽 크기")]
        public Vector2 StageCameraViewHalfExtents = new(7.5f, 4.21875f);
        [Tooltip("대표 Stage 1 비교 방에서 Original 선택 시 사용할 좁은 추적 시야의 반쪽 크기")]
        public Vector2 StageComparisonOriginalCameraViewHalfExtents = new(5f, 2.8125f);
        [Tooltip("대표 Stage 1 비교 방에서 Expanded 선택 시 사용할 추적 시야의 반쪽 크기")]
        public Vector2 StageComparisonCameraViewHalfExtents = new(7.5f, 4.21875f);
        public Vector2 ArenaCameraDeadZone = new(0.5f, 0.3f);
        [Min(0f)] public float ArenaCameraSmoothTime = 0.15f;

        [Header("대표 Stage 1 방 크기 비교")]
        [Tooltip("Disabled는 기존 카탈로그 선택을 유지하고, Original/Expanded는 입구 직결 첫 전투 방을 S1-A로 고정합니다.")]
        public RoomScaleComparisonMode Stage1FirstCombatRoomScaleComparison = RoomScaleComparisonMode.Disabled;

        [Header("제한 시야 교전")]
        [Min(0.1f)] public float StagePlayerVisibilityRadius = 6f;
        [Range(0f, 1f)] public float StageExploredFogOpacity = 0.65f;
        [Range(0f, 1f)] public float StageUnseenFogOpacity = 1f;
        [Range(0.1f, 1f)] public float StageEncounterSightRangeMultiplier = 0.5f;

        public float[] EliteTimes(bool development, bool production)
        {
            float[] times = production
                ? ProductionEliteEventTimes
                : development ? DevelopmentEliteEventTimes : FormalEliteEventTimes;
            return times ?? Array.Empty<float>();
        }

        public SpawnDensityPhase GetSpawnDensity(float elapsedTime)
        {
            if (SpawnDensity == null || SpawnDensity.Length == 0)
            {
                return new SpawnDensityPhase(float.PositiveInfinity, 27, 5);
            }

            for (int i = 0; i < SpawnDensity.Length - 1; i++)
            {
                if (elapsedTime < SpawnDensity[i].EndTimeSeconds)
                {
                    return SpawnDensity[i];
                }
            }

            return SpawnDensity[SpawnDensity.Length - 1];
        }
    }
}