using Unity.NetCode;

namespace ProjectM.Simulation
{
    /// <summary>
    /// One-shot dev-tools command from a client to the server (the DebugOverlay / execute_code). A scalar-only
    /// <see cref="IRpcCommand"/> (byte opcode + two ints, the project's scalar-RPC convention) so a single wire
    /// type covers every dev action via <see cref="DebugOp"/>. **Unconditional (no #if)** — the reflection-built
    /// RpcCollection hash must match across release/dev peers, so only the SEND/RECEIVE systems + overlay are
    /// #if-gated, never this type. The server applies it authoritatively in DebugCommandReceiveSystem, so the dev
    /// buttons exercise the real paths and work over a live connection too.
    /// </summary>
    public struct DebugCommandRequest : IRpcCommand
    {
        /// <summary>Which action to perform (see <see cref="DebugOp"/>).</summary>
        public byte Op;

        /// <summary>First scalar argument (size / item id / region id / amount — per-op).</summary>
        public int ArgA;

        /// <summary>Second scalar argument (count — per-op).</summary>
        public int ArgB;
    }

    /// <summary>Opcodes for <see cref="DebugCommandRequest.Op"/> (bytes — never an enum on the wire).</summary>
    public static class DebugOp
    {
        /// <summary>Arm + immediately fire a siege of ArgA Husks (ArgA = size).</summary>
        public const byte SpawnWave = 0;

        /// <summary>Collapse the current siege (cull Husks, stop spawning, clear pending) -> back to Calm.</summary>
        public const byte EndSiege = 1;

        /// <summary>Cull every living Husk now (leaves the phase alone).</summary>
        public const byte ClearEnemies = 2;

        /// <summary>Hard-reset the run-state to Calm (clears any siege/pending).</summary>
        public const byte SetCalm = 3;

        /// <summary>Deposit ArgB of resource ArgA (a <see cref="ResourceId"/>) into the shared ledger.</summary>
        public const byte GrantResource = 4;

        /// <summary>Grow the sender's damage upgrade by one tier (a debug StatModifier).</summary>
        public const byte GrantUpgrade = 5;

        /// <summary>Teleport the sender to region ArgA (a <see cref="RegionId"/>).</summary>
        public const byte Teleport = 6;

        /// <summary>Toggle the sender's <see cref="DebugGodMode"/> (damage immunity).</summary>
        public const byte ToggleGod = 7;

        /// <summary>Heal the sender to full.</summary>
        public const byte Heal = 8;

        /// <summary>Kill the sender (Health -> 0; the normal death/respawn loop takes over).</summary>
        public const byte KillPlayer = 9;

        /// <summary>Add ArgA to the long-arc goal charge.</summary>
        public const byte AdvanceGoal = 10;

        /// <summary>Set ThreatState.Heat to ArgA (inert until the Heat source ships).</summary>
        public const byte SetHeat = 11;
    }
}