namespace Aeshnidae.Expedition;

/// <summary>
/// The Old Ring of Tenkarrdun's knobs, read from Settings.json in the deployed mod folder
/// (written with these defaults on first run). The design is the doc "The Old Ring of
/// Tenkarrdun" (Tom, 2026-09-27); every number here is a starting point to tune.
///
///   Enabled              the switch; off = no meters, no camps, no thinning, no hooks' work
///   Region / Copy        which island: InstancesNoDat's region "aerlinthe", copy 1 - the
///                        Aerlinthe instance everyone shares. Copy 2 (the PK layer) does not count.
///   Zones                the island in named rectangles of landblocks, first match wins;
///                        MeterTarget 0 = no meter (a later act's ground)
///   MeterPointsPerLevel  a kill adds its level times this to its zone's meter: 0.01 makes a
///                        level-100 monster one point, an 80 0.8, a 115 1.15
///   ContributionPerLevel a kill credits its top damager (or a pet's owner) level times this:
///                        0.1 makes an 80 worth 8, a 115 worth 11.5 (the doc's table)
///   Milestones           percentages told to everyone on the island; 100 goes server-wide
///   ThinTo               a reclaimed zone keeps this share of its monsters (each generator
///                        profile held to it); 1 = no thinning
///   Camps                what appears in a reclaimed zone: wcid and spot per object
///   FlushSeconds         how often meters and contribution are written to the shard database
/// </summary>
public class Settings
{
    public const string FileName = "Settings.json";

    public bool Enabled { get; set; } = true;

    /// <summary>InstancesNoDat's region name (Settings.Outdoor), for the island's landblocks.</summary>
    public string Region { get; set; } = "aerlinthe";

    /// <summary>The island copy the quest is played on: 1, the shared Aerlinthe instance.</summary>
    public int Copy { get; set; } = 1;

    public double MeterPointsPerLevel { get; set; } = 0.01;

    public double ContributionPerLevel { get; set; } = 0.1;

    public List<int> Milestones { get; set; } = new() { 25, 50, 75, 100 };

    public double ThinTo { get; set; } = 0.33;

    /// <summary>
    /// The island's monster density (Density.cs): every generator in the island copy spawns this
    /// many times its retail count (monster profiles' InitCreate/MaxCreate and the generator's own
    /// caps). 1 = retail; 2 = twice the monsters (Tom, 2026-10-01). The real Aerlinthe is untouched.
    /// </summary>
    public double SpawnMultiplier { get; set; } = 1;

    public int FlushSeconds { get; set; } = 30;

    /// <summary>
    /// One line to a player arriving on the island (a portal, a recall, a login there): the act,
    /// its zones' progress, "every kill here counts", /expedition. Not repeated to the same player
    /// within ArrivalLineMinutes.
    /// </summary>
    public bool ArrivalLine { get; set; } = true;

    public double ArrivalLineMinutes { get; set; } = 2;

    /// <summary>Seconds between camp checks (spawn what is missing in open landblocks, remove what should not be there).</summary>
    public int CampCheckSeconds { get; set; } = 5;

    public DiscordSettings Discord { get; set; } = new();

    /// <summary>Act 2 - Light the beacons: pitch, the braziers, the sieges, the light (Beacons.cs, Siege.cs).</summary>
    public Act2Settings Act2 { get; set; } = new();

    /// <summary>
    /// The island's zones (the doc's table), first match wins - the lava floes first, since
    /// their box overlaps the east shore's and the north shore's. Rectangles are inclusive,
    /// hex landblock x and y. Act is the act whose goal the meter is (1 = Act 1).
    /// </summary>
    public List<ZoneSetting> Zones { get; set; } = new()
    {
        new() { Name = "Lava Floes", Act = 4, MeterTarget = 0, Boxes = new() { "B7-BC,ED-F1" } },
        new() { Name = "West Shore", Act = 1, MeterTarget = 1500, Boxes = new() { "B3-B5,E8-EE" } },
        new() { Name = "Raina's Harbor", Act = 1, MeterTarget = 1500, Boxes = new() { "B6-BB,E8-EC", "B6,ED-EE" } },
        new() { Name = "East Shore", Act = 1, MeterTarget = 1500, Boxes = new() { "BC-BF,E8-EE" } },
        new() { Name = "North Shore", Act = 3, MeterTarget = 0, Boxes = new() { "B3-BF,EF-F4" } },
    };

    /// <summary>
    /// What a reclaimed zone gains. Spots are where the island variant removed retail quest
    /// NPCs (walkable ground people already stood on): the Ruined Watcher (West Shore), Smith
    /// Ejan in Relic Town (the Harbor), the Devastated Watcher (East Shore).
    /// </summary>
    public List<CampObject> Camps { get; set; } = new()
    {
        // West Shore: the Ruined Watcher's spot (31968, removed by the island variant).
        new() { Zone = "West Shore", Wcid = 3000122, Label = "Maren Tolle, Settler of the West Shore", Cell = "0xB3EC001D", X = 93.4f, Y = 110.7f, Z = -0.09f, W = 0.7342f, Qz = 0.6789f },
        new() { Zone = "West Shore", Wcid = 4128, Label = "West Shore campfire", Cell = "0xB3EC0025", X = 96.4f, Y = 110.7f, Z = -0.09f },
        new() { Zone = "West Shore", Wcid = 3000125, Label = "West Shore portal to Holtburg", Cell = "0xB3EC001D", X = 93.4f, Y = 114.7f, Z = -0.09f, W = 0.7342f, Qz = 0.6789f },

        // Raina's Harbor: Smith Ejan's spot in Relic Town (7401, removed by the island variant).
        new() { Zone = "Raina's Harbor", Wcid = 3000123, Label = "Idra Fairlee, Settler of Raina's Harbor", Cell = "0xB8EB002B", X = 136.7f, Y = 61.4f, Z = 14.0f, W = -0.6865f, Qz = 0.7271f },
        new() { Zone = "Raina's Harbor", Wcid = 4128, Label = "Relic Town campfire", Cell = "0xB8EB002B", X = 139.7f, Y = 61.4f, Z = 14.0f },
        new() { Zone = "Raina's Harbor", Wcid = 3000125, Label = "Relic Town portal to Holtburg", Cell = "0xB8EB002B", X = 136.7f, Y = 65.4f, Z = 14.0f, W = -0.6865f, Qz = 0.7271f },

        // East Shore: the Devastated Watcher's spot (31967, removed by the island variant).
        new() { Zone = "East Shore", Wcid = 3000124, Label = "Jheni Sarrow, Settler of the East Shore", Cell = "0xBFEC001C", X = 82.1f, Y = 93.4f, Z = -0.09f, W = -0.8702f, Qz = 0.4927f },
        new() { Zone = "East Shore", Wcid = 4128, Label = "East Shore campfire", Cell = "0xBFEC001C", X = 85.1f, Y = 93.4f, Z = -0.09f },
        new() { Zone = "East Shore", Wcid = 3000125, Label = "East Shore portal to Holtburg", Cell = "0xBFEC001D", X = 82.1f, Y = 97.4f, Z = -0.09f, W = -0.8702f, Qz = 0.4927f },

        // Act 2 - the lighthouses (Beacon instead of Zone). Spots are open ground found with
        // /expedition-admin ground on staging (2026-10-01): the West Light's centre is about
        // B8E8 [120 192], the East Light's BAE8 [96 168]. The Lightkeeper and brazier stand from
        // Act 2 on; the flame (retail Campfire 4128, in the brazier) and the portal to the crater
        // rim only once that beacon burns.
        new() { Beacon = "West Light", Wcid = 3000128, Label = "Aldric Venn, Lightkeeper of the West Light", Cell = "0xB8E80030", X = 135.7f, Y = 186.5f, Z = 13.20f, W = 0.8156f, Qz = 0.5786f },
        new() { Beacon = "West Light", Wcid = 3000127, Label = "West Light brazier", Cell = "0xB8E80030", X = 130.9f, Y = 184.9f, Z = 14.14f },
        new() { Beacon = "West Light", WhenLit = true, Wcid = 4128, Label = "West Light flame", Cell = "0xB8E80030", X = 130.9f, Y = 184.9f, Z = 14.14f },
        new() { Beacon = "West Light", WhenLit = true, Wcid = 3000130, Label = "West Light portal to the crater rim", Cell = "0xB8E80030", X = 120.5f, Y = 183.0f, Z = 17.85f, W = 0.8156f, Qz = 0.5786f },

        new() { Beacon = "East Light", Wcid = 3000129, Label = "Sefa Marrow, Lightkeeper of the East Light", Cell = "0xBAE8001F", X = 80.9f, Y = 156.7f, Z = 17.56f, W = 0.9239f, Qz = -0.3827f },
        new() { Beacon = "East Light", Wcid = 3000127, Label = "East Light brazier", Cell = "0xBAE8001F", X = 92.7f, Y = 150.6f, Z = 17.15f },
        new() { Beacon = "East Light", WhenLit = true, Wcid = 4128, Label = "East Light flame", Cell = "0xBAE8001F", X = 92.7f, Y = 150.6f, Z = 17.15f },
        new() { Beacon = "East Light", WhenLit = true, Wcid = 3000130, Label = "East Light portal to the crater rim", Cell = "0xBAE80027", X = 116.2f, Y = 152.9f, Z = 19.22f, W = 0.9239f, Qz = -0.3827f },
    };

    private static readonly JsonSerializerOptions JsonOptions = new()
    {
        WriteIndented = true,
        ReadCommentHandling = JsonCommentHandling.Skip,
        AllowTrailingCommas = true,
    };

    public static Settings Load(string modPath)
    {
        var path = Path.Combine(modPath, FileName);

        try
        {
            if (File.Exists(path))
                return JsonSerializer.Deserialize<Settings>(File.ReadAllText(path), JsonOptions) ?? new Settings();

            var defaults = new Settings();
            defaults.Save(modPath);
            ModManager.Log($"[{Mod.Name}] wrote default settings to {path}");
            return defaults;
        }
        catch (Exception ex)
        {
            ModManager.Log($"[{Mod.Name}] could not read {path}, using defaults: {ex.Message}", ModManager.LogLevel.Warn);
            return new Settings();
        }
    }

    public void Save(string modPath)
    {
        try
        {
            File.WriteAllText(Path.Combine(modPath, FileName), JsonSerializer.Serialize(this, JsonOptions));
        }
        catch (Exception ex)
        {
            ModManager.Log($"[{Mod.Name}] could not save settings: {ex.Message}", ModManager.LogLevel.Error);
        }
    }
}

public class ZoneSetting
{
    public string Name { get; set; } = "";

    /// <summary>The act this zone's meter belongs to.</summary>
    public int Act { get; set; } = 1;

    /// <summary>Points to reclaim it; 0 = no meter (kills there still earn contribution).</summary>
    public double MeterTarget { get; set; }

    /// <summary>"B3-B5,E8-EE": landblock x from-to, y from-to (hex, inclusive); "B6,ED-EE" for one column.</summary>
    public List<string> Boxes { get; set; } = new();
}

public class CampObject
{
    /// <summary>The zone whose reclaiming puts this object up.</summary>
    public string Zone { get; set; } = "";

    /// <summary>
    /// Act 2: instead of a zone, a beacon (Act2.Beacons by name). The object stands from Act 2
    /// on - the Lightkeeper and the brazier - or, with WhenLit, only once that beacon burns (the
    /// flame and the portal to the crater rim). Zone is ignored when Beacon is set.
    /// </summary>
    public string Beacon { get; set; } = "";

    public bool WhenLit { get; set; }

    public uint Wcid { get; set; }

    /// <summary>For logs and the status command.</summary>
    public string Label { get; set; } = "";

    /// <summary>Outdoor cell, as a teleloc: "0xB3EC001D".</summary>
    public string Cell { get; set; } = "";

    public float X { get; set; }
    public float Y { get; set; }
    public float Z { get; set; }

    /// <summary>Facing as a quaternion about Z: W and Z (a teleloc's first and last angle).</summary>
    public float W { get; set; } = 1;
    public float Qz { get; set; }
}

public class DiscordSettings
{
    /// <summary>Webhook, set by set-webhook.sh in the deployed file; never in source.</summary>
    public string WebhookUrl { get; set; } = "";

    public string Username { get; set; } = "Tenkarrdun";

    /// <summary>notify-discord.sh channel key: island news goes to #invasions (Tom, 2026-09-27).</summary>
    public string Channel { get; set; } = "invasions";

    public string NotifyScript { get; set; } = "~/notify-discord.sh";
}

/// <summary>
/// Act 2 - Light the beacons (the design doc, 2026-09-27; built 2026-10-01). Every number is a
/// starting point to tune once real players fill the braziers.
///
///   PitchWcid             Ember Pitch (3000126), the fuel
///   PitchPerBeacon        what each brazier needs before its Lightkeeper will light it (200)
///   ContributionPerPitch  contribution per pitch handed in (the doc: 5)
///   PitchDrops            island fire elementals (by name) and what their corpses carry -
///                         only while Act 2 runs and a beacon is still dark
///   SettlerWcids / SettlerPitch / SettlerHours   a camp's settler spares SettlerPitch to a
///                         character once every SettlerHours, in Act 2
///   Beacons               the two lighthouses: name, centre (map coordinates - the siege's
///                         heart and the light's reach), Lightkeeper wcid
///   FailBurnShare         a siege lost burns this share of that brazier's pitch (the doc: half)
///   LightRadius / RegenPercent / RegenEverySeconds   a lit beacon's light: on reclaimed ground
///                         within LightRadius metres, health and stamina rise by RegenPercent
///                         of their maximum every RegenEverySeconds
///   ContributionPer100Damage   siege damage counts for contribution (the doc: 1 per 100)
/// </summary>
public class Act2Settings
{
    public uint PitchWcid { get; set; } = 3000126;

    public double PitchPerBeacon { get; set; } = 200;

    public double ContributionPerPitch { get; set; } = 5;

    public List<PitchDrop> PitchDrops { get; set; } = new()
    {
        new() { Name = "Ember", Chance = 1.0, Min = 1, Max = 1 },
        new() { Name = "Fire Wisp", Chance = 1.0, Min = 1, Max = 1 },
        new() { Name = "Firestorm", Chance = 1.0, Min = 1, Max = 2 },
        new() { Name = "Hellfire", Chance = 1.0, Min = 2, Max = 3 },
    };

    public List<uint> SettlerWcids { get; set; } = new() { 3000122, 3000123, 3000124 };

    public int SettlerPitch { get; set; } = 10;

    public double SettlerHours { get; set; } = 20;

    public List<BeaconSetting> Beacons { get; set; } = new()
    {
        new() { Name = "West Light", Center = "84.4N 45.7E", Lightkeeper = 3000128 },
        new() { Name = "East Light", Center = "84.3N 47.2E", Lightkeeper = 3000129 },
    };

    public double FailBurnShare { get; set; } = 0.5;

    public double LightRadius { get; set; } = 250;

    public double RegenPercent { get; set; } = 1.0;

    public double RegenEverySeconds { get; set; } = 5;

    public double ContributionPer100Damage { get; set; } = 1;

    public SiegeSettings Siege { get; set; } = new();
}

public class BeaconSetting
{
    public string Name { get; set; } = "";

    /// <summary>Map coordinates of the lighthouse ("84.4N 45.7E"): the siege's centre and the light's reach.</summary>
    public string Center { get; set; } = "";

    /// <summary>The NPC who takes the pitch and lights the brazier (a camp object with this Beacon).</summary>
    public uint Lightkeeper { get; set; }
}

public class PitchDrop
{
    /// <summary>The creature's name, exactly ("Ember").</summary>
    public string Name { get; set; } = "";

    public double Chance { get; set; } = 1.0;

    public int Min { get; set; } = 1;

    public int Max { get; set; } = 1;
}

/// <summary>
/// A beacon siege - Aeshnidae.Invasions' engine, copied (Siege.cs) and aimed at a lighthouse on
/// the island copy: CountdownSeconds after the Lightkeeper is asked, a band every
/// BandEverySeconds from a random side for SiegeMinutes, then the leader, who must die within
/// LeaderMinutes. Bands grow with the players within PlayerRadius. StrengthPercent raises every
/// invader's six attributes and health (the dungeon copies' rule, visible in appraisal); 0 = retail.
/// </summary>
public class SiegeSettings
{
    public double CountdownSeconds { get; set; } = 30;
    public double SiegeMinutes { get; set; } = 8;
    public double BandEverySeconds { get; set; } = 20;
    public int MaxStanding { get; set; } = 20;
    public double LeaderMinutes { get; set; } = 5;

    public double SpawnMin { get; set; } = 40;
    public double SpawnMax { get; set; } = 70;
    public double MarchRadius { get; set; } = 12;
    public double BandSpreadDegrees { get; set; } = 25;
    public double PlayerRadius { get; set; } = 150;

    public double StrengthPercent { get; set; } = 0;

    public bool MarchRun { get; set; } = true;
    public double MarchSpeed { get; set; } = 0.6;
    public double MarchDelaySeconds { get; set; } = 2;
    public double LifespanMinutes { get; set; } = 30;
    public double UpdateEverySeconds { get; set; } = 90;

    public string ArrivalEffect { get; set; } = "PortalExit";
    public string LeaderEffect { get; set; } = "PortalStorm";
    public string DefenderEffect { get; set; } = "WeddingBliss";

    /// <summary>Damage under this does not count as having held the light (for the win line).</summary>
    public double MinDefenderDamage { get; set; } = 25;

    /// <summary>What the flame draws: wisps and wraiths (retail, level 115-135).</summary>
    public List<SiegeBand> Bands { get; set; } = new()
    {
        new() { Weight = 1, Spawns = new() { new() { Wcid = 28055, Count = 2, PerExtraPlayer = 1 }, new() { Wcid = 7127, Count = 1, PerExtraPlayer = 0.5 } } },
        new() { Weight = 1, Spawns = new() { new() { Wcid = 23091, Count = 2, PerExtraPlayer = 1 }, new() { Wcid = 28055, Count = 1 } } },
        new() { Weight = 1, Spawns = new() { new() { Wcid = 7127, Count = 2, PerExtraPlayer = 1 }, new() { Wcid = 23091, Count = 1, PerExtraPlayer = 0.5 } } },
    };

    /// <summary>The leader and its escort: a Consumed Wraith (retail, level 160) and Shadow Wraiths.</summary>
    public List<SiegeSpawn> Leader { get; set; } = new()
    {
        new() { Wcid = 27429, Count = 1, Leader = true },
        new() { Wcid = 23091, Count = 2, PerExtraPlayer = 1 },
    };
}

public class SiegeBand
{
    public double Weight { get; set; } = 1;
    public List<SiegeSpawn> Spawns { get; set; } = new();
}

public class SiegeSpawn
{
    public uint Wcid { get; set; }
    public int Count { get; set; } = 1;
    public double PerExtraPlayer { get; set; }
    public bool Leader { get; set; }
}