using System;
using System.Collections.Generic;

namespace IdleSpectator;

/// <summary>
/// Authored milestone-style gain/loss phrases for every live WorldBox status asset.
/// Runtime fallback is HUD-only safety; the harness audit requires authored coverage.
/// </summary>
public static class ActivityStatusProse
{
    private static readonly Dictionary<string, (string gain, string loss)> Authored =
        new Dictionary<string, (string, string)>(StringComparer.OrdinalIgnoreCase)
        {
            ["afterglow"] = ("Basks in an afterglow", "Lets the afterglow fade"),
            ["angry"] = ("Flies into a fury", "Cools off"),
            ["ash_fever"] = ("Catches ash fever", "Recovers from ash fever"),
            ["being_suspicious"] = ("Starts acting suspicious", "Stops looking so suspicious"),
            ["budding"] = ("Begins budding", "Splits off a bud offspring"),
            ["burning"] = ("Catches fire", "Stops burning"),
            ["caffeinated"] = ("Gets a caffeine rush", "Comes down from caffeine"),
            ["confused"] = ("Becomes confused", "Regains clarity"),
            ["cough"] = ("Starts coughing", "Stops coughing"),
            ["crying"] = ("Breaks into tears", "Dries their eyes"),
            ["cursed"] = ("Is cursed", "Shakes off the curse"),
            ["dash"] = ("Dashes forward", "Ends the dash"),
            ["dodge"] = ("Dodges aside", "Stops dodging"),
            ["drowning"] = ("is drowning", "Gets air again"),
            ["egg"] = ("Becomes an egg", "Hatches from an egg"),
            ["enchanted"] = ("Becomes enchanted", "Loses the enchantment"),
            ["fell_in_love"] = ("Falls in love", "Lets the infatuation pass"),
            ["festive_spirit"] = ("Catches the festive spirit", "Settles out of the festive mood"),
            ["flicked"] = ("Gets flicked", "Recovers from the flick"),
            ["frozen"] = ("Freezes solid", "Thaws out"),
            ["had_bad_dream"] = ("Has a bad dream", "Lets a bad dream fade"),
            ["had_good_dream"] = ("Has a good dream", "Lets a good dream fade"),
            ["had_nightmare"] = ("Has a nightmare", "Lets a nightmare fade"),
            ["handsome_migrant"] = ("Turns heads as a handsome migrant", "Stops drawing migrant attention"),
            ["inspired"] = ("Feels inspired", "Comes down from inspiration"),
            ["invincible"] = ("Becomes invincible", "Loses invincibility"),
            ["just_ate"] = ("Just finished eating", "Is ready to eat again"),
            ["laughing"] = ("Bursts out laughing", "Stops laughing"),
            ["magnetized"] = ("Becomes magnetized", "Loses the magnetic pull"),
            ["motivated"] = ("Feels motivated", "Loses motivation"),
            ["on_guard"] = ("Goes on guard", "Drops guard"),
            ["poisoned"] = ("Is poisoned", "Purges the poison"),
            ["possessed"] = ("Is possessed", "Breaks free of possession"),
            ["possessed_follower"] = ("Is converted into a possessed follower", "Breaks free of follower possession"),
            ["powerup"] = ("Powers up", "Loses the power-up"),
            ["pregnant"] = ("Becomes pregnant", "Gives birth"),
            ["pregnant_parthenogenesis"] = ("Becomes pregnant by parthenogenesis", "Gives birth alone"),
            ["rage"] = ("Enters a rage", "Leaves the rage behind"),
            ["recovery_combat_action"] = ("Needs a moment after combat", "Is ready for combat again"),
            ["recovery_plot"] = ("Needs a moment after a plot", "Is ready to plot again"),
            ["recovery_social"] = ("Needs a moment after socializing", "Is ready to socialize again"),
            ["recovery_spell"] = ("Needs a moment after casting", "Is ready to cast again"),
            ["shield"] = ("Raises a shield", "Drops the shield"),
            ["singing"] = ("Starts singing", "Stops singing"),
            ["sleeping"] = ("Falls asleep", "Wakes up"),
            ["slowness"] = ("Is slowed", "Regains normal speed"),
            ["soul_harvested"] = ("Has their soul harvested", "Recovers from soul harvest"),
            ["spell_boost"] = ("Gains a spell boost", "Loses the spell boost"),
            ["spell_silence"] = ("Is silenced", "Can cast again"),
            ["starving"] = ("Is starving", "Is no longer starving"),
            ["strange_urge"] = ("Feels a strange urge", "The strange urge passes"),
            ["stunned"] = ("Is stunned", "Shakes off the stun"),
            ["surprised"] = ("Is surprised", "Recovers from surprise"),
            ["swearing"] = ("Starts swearing", "Stops swearing"),
            ["taking_roots"] = ("Starts taking root", "Finishes rooting and sprouts offspring"),
            ["tantrum"] = ("Throws a tantrum", "Calms down from the tantrum"),
            ["uprooting"] = ("Emerges as a young plant", "Settles after emerging"),
            ["voices_in_my_head"] = ("Hears voices", "The voices fall quiet"),
        };

    public static bool HasAuthored(string statusId)
    {
        return !string.IsNullOrEmpty(statusId) && Authored.ContainsKey(statusId.Trim());
    }

    public static IEnumerable<string> AuthoredIds => Authored.Keys;

    /// <summary>
    /// Phrase without actor name. Authored when possible; otherwise localized/humanized fallback.
    /// </summary>
    public static string Phrase(string statusId, bool gained, out bool authored)
    {
        authored = false;
        string id = (statusId ?? "").Trim();
        if (string.IsNullOrEmpty(id))
        {
            return gained ? "gains an unknown status" : "loses an unknown status";
        }

        if (Authored.TryGetValue(id, out (string gain, string loss) pair))
        {
            authored = true;
            string phrase = gained ? pair.gain : pair.loss;
            return string.IsNullOrEmpty(phrase)
                ? FallbackPhrase(id, gained)
                : phrase;
        }

        return FallbackPhrase(id, gained);
    }

    public static string FallbackPhrase(string statusId, bool gained)
    {
        string title = StatusLabelFromId(statusId);
        if (string.IsNullOrEmpty(title))
        {
            title = HumanizeId(statusId);
        }

        return gained ? ("Becomes " + title) : ("Is no longer " + title);
    }

    public static string StatusLabelFromId(string statusId)
    {
        if (string.IsNullOrEmpty(statusId))
        {
            return "";
        }

        try
        {
            StatusAsset asset = AssetManager.status?.get(statusId.Trim());
            if (asset != null)
            {
                string locale = asset.getLocaleID();
                if (!string.IsNullOrEmpty(locale))
                {
                    string localized = LocalizedTextManager.getText(locale);
                    if (!string.IsNullOrEmpty(localized)
                        && !localized.Equals(locale, StringComparison.Ordinal)
                        && localized.IndexOf('_') < 0)
                    {
                        return localized.Trim().ToLowerInvariant();
                    }
                }
            }
        }
        catch
        {
            // Localization may be unavailable during early boot.
        }

        return HumanizeId(statusId);
    }

    public static string HumanizeId(string statusId)
    {
        if (string.IsNullOrEmpty(statusId))
        {
            return "unknown status";
        }

        return statusId.Replace('_', ' ').Trim().ToLowerInvariant();
    }

    public static string TaskKey(string statusId, bool gained)
    {
        string id = string.IsNullOrEmpty(statusId) ? "unknown" : statusId.Trim();
        return (gained ? "status_gain:" : "status_loss:") + id;
    }

    public static bool TryParseTaskKey(string key, out string statusId, out bool gained)
    {
        statusId = "";
        gained = false;
        if (string.IsNullOrEmpty(key))
        {
            return false;
        }

        string k = key.Trim();
        if (k.StartsWith("status_gain:", StringComparison.OrdinalIgnoreCase))
        {
            gained = true;
            statusId = k.Substring("status_gain:".Length).Trim();
            return !string.IsNullOrEmpty(statusId);
        }

        if (k.StartsWith("status_loss:", StringComparison.OrdinalIgnoreCase))
        {
            gained = false;
            statusId = k.Substring("status_loss:".Length).Trim();
            return !string.IsNullOrEmpty(statusId);
        }

        return false;
    }
}