using System;
using System.Collections.Generic;
using Newtonsoft.Json;

namespace ConfigurableCombo;

/// <summary>When to reset the combo sequence back to step 1.</summary>
[Serializable]
public enum ComboResetMode
{
    /// <summary>Reset when the game combo timer expires (default, ~15s).</summary>
    GameTimer = 0,

    /// <summary>Never reset from time; always advance through the sequence (cycle after last step).</summary>
    Never = 1,

    /// <summary>Reset when the current target changes.</summary>
    OnTargetChange = 2,

    /// <summary>Reset after the configured number of seconds of inactivity.</summary>
    AfterSeconds = 3,
}

/// <summary>
/// A single user-defined combo: put the first action on your hotbar; pressing it advances through the sequence.
/// </summary>
[Serializable]
public class UserComboDefinition
{
    /// <summary>
    /// Display name for this combo (e.g. "WAR ST Combo").
    /// </summary>
    public string Name { get; set; } = "New Combo";

    /// <summary>
    /// Ordered list of action IDs. The first action is the one you place on the hotbar; each press advances to the next.
    /// Combo resets to the first action when the game combo timer expires or the sequence is broken.
    /// </summary>
    public List<uint> ActionIds { get; set; } = new();

    /// <summary>
    /// Whether this combo is enabled.
    /// </summary>
    public bool Enabled { get; set; } = true;

    /// <summary>
    /// ClassJob.RowId this combo belongs to. 0 = Unspecified (shown when "Unspecified" job is selected).
    /// </summary>
    public uint JobId { get; set; }

    /// <summary>
    /// Unique id for this combo (for UI and serialization).
    /// </summary>
    public Guid Id { get; set; } = Guid.NewGuid();

    /// <summary>
    /// The action ID that is "on the bar" — i.e. the trigger. This is ActionIds[0] when the list is non-empty.
    /// </summary>
    public uint TriggerActionId => ActionIds.Count > 0 ? ActionIds[0] : 0;

    /// <summary>
    /// When to reset this combo to step 1. Per-combo; e.g. one combo can use "Never" while another uses "After seconds".
    /// </summary>
    public ComboResetMode ResetMode { get; set; } = ComboResetMode.GameTimer;

    /// <summary>
    /// Seconds after which the combo resets when <see cref="ResetMode"/> is <see cref="ComboResetMode.AfterSeconds"/>.
    /// Ignored for other modes.
    /// </summary>
    public float ResetAfterSeconds { get; set; } = 15f;

    /// <summary>
    /// When true (default): using another combo or any action never clears this combo's position; it only resets per its own "Reset when" setting.
    /// When false (original): using an action that is not part of this combo clears this combo's state back to step 1.
    /// </summary>
    public bool PreservePositionWhenUsingOtherActions { get; set; } = true;
}