using System;
using UnityEngine;

namespace Heroes.Battle
{
    /// <summary>
    /// Shared configuration for rendering 3D unit models on the 2D battlefield.
    /// Positioning is always 2D; these values control the virtual viewing angle
    /// used for rotation, the render ordering that keeps models above the 2D
    /// board, and the (uniform) Animator parameter names.
    /// </summary>
    [Serializable]
    public sealed class UnitViewSettings
    {
        [Header("Virtual viewing plane (rotation only)")]
        [Tooltip("Pitch of the virtual camera below the horizon, in degrees. Drives how models turn " +
                 "when moving up/down/diagonally. Matches the intended camera angle (default 25.06).")]
        public float viewPitchDegrees = 25.06f;

        [Tooltip("Apply the standing lean derived from the pitch. Disable to yaw the model only.")]
        public bool applyViewTilt = true;

        [Tooltip("Yaw correction if the prefab's forward axis is not +Z (e.g. 180 if it faces -Z).")]
        public float modelYawOffset = 0f;

        [Header("Render ordering over the 2D board")]
        [Tooltip("Local Z offset pushing models towards the camera so they render in front of the board.")]
        public float modelDepth = -0.5f;

        [Tooltip("Override the model materials' render queue so opaque models draw over the 2D sprites.")]
        public bool overrideRenderQueue = true;

        [Tooltip("Render queue applied when overrideRenderQueue is on (just above the sprite queue of 3000).")]
        public int renderQueue = 3100;

        [Header("Retro animation (Heroes 3 stop-motion feel)")]
        [Tooltip("Sample the Animator at a fixed low frame rate so poses snap instead of interpolating.")]
        public bool steppedAnimation = true;

        [Tooltip("Animation frames per second when steppedAnimation is on. ~8-12 gives the Heroes 3 look.")]
        [Range(2f, 30f)]
        public float animationFps = 10f;

        [Header("Animator parameters (uniform across units)")]
        [Tooltip("Bool parameter set true while the model is walking. Leave empty to skip.")]
        public string moveBoolParam = "IsMoving";

        [Tooltip("Trigger fired when the model attacks. Leave empty to skip.")]
        public string attackTrigger = "Attack";

        [Tooltip("Trigger fired when the stack dies. Leave empty to skip.")]
        public string deathTrigger = "Die";
    }
}