#include "Base.h"
#include "ScriptController.h"
#include "lua_Technique.h"
#include "Base.h"
#include "Game.h"
#include "Material.h"
#include "Node.h"
#include "Pass.h"
#include "Ref.h"
#include "RenderState.h"
#include "Technique.h"
#include "lua_RenderStateAutoBinding.h"
#include "lua_RenderStateBlend.h"

namespace gameplay
{

void luaRegister_Technique()
{
    const luaL_Reg lua_members[] = 
    {
        {"addRef", lua_Technique_addRef},
        {"getId", lua_Technique_getId},
        {"getParameter", lua_Technique_getParameter},
        {"getPass", lua_Technique_getPass},
        {"getPassByIndex", lua_Technique_getPassByIndex},
        {"getPassCount", lua_Technique_getPassCount},
        {"getRefCount", lua_Technique_getRefCount},
        {"getStateBlock", lua_Technique_getStateBlock},
        {"release", lua_Technique_release},
        {"setParameterAutoBinding", lua_Technique_setParameterAutoBinding},
        {"setStateBlock", lua_Technique_setStateBlock},
        {NULL, NULL}
    };
    const luaL_Reg* lua_statics = NULL;
    std::vector<std::string> scopePath;

    ScriptUtil::registerClass("Technique", lua_members, NULL, lua_Technique__gc, lua_statics, scopePath);
}

static Technique* getInstance(lua_State* state)
{
    void* userdata = luaL_checkudata(state, 1, "Technique");
    luaL_argcheck(state, userdata != NULL, 1, "'Technique' expected.");
    return (Technique*)((ScriptUtil::LuaObject*)userdata)->instance;
}

int lua_Technique__gc(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 1:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA))
            {
                void* userdata = luaL_checkudata(state, 1, "Technique");
                luaL_argcheck(state, userdata != NULL, 1, "'Technique' expected.");
                ScriptUtil::LuaObject* object = (ScriptUtil::LuaObject*)userdata;
                if (object->owns)
                {
                    Technique* instance = (Technique*)object->instance;
                    SAFE_RELEASE(instance);
                }
                
                return 0;
            }
            else
            {
                lua_pushstring(state, "lua_Technique__gc - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 1).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_addRef(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 1:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA))
            {
                Technique* instance = getInstance(state);
                instance->addRef();
                
                return 0;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_addRef - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 1).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_getId(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 1:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA))
            {
                Technique* instance = getInstance(state);
                const char* result = instance->getId();

                // Push the return value onto the stack.
                lua_pushstring(state, result);

                return 1;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_getId - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 1).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_getParameter(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 2:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA) &&
                (lua_type(state, 2) == LUA_TSTRING || lua_type(state, 2) == LUA_TNIL))
            {
                // Get parameter 1 off the stack.
                ScriptUtil::LuaArray<const char> param1 = ScriptUtil::getString(2, false);

                Technique* instance = getInstance(state);
                void* returnPtr = (void*)instance->getParameter(param1);
                if (returnPtr)
                {
                    ScriptUtil::LuaObject* object = (ScriptUtil::LuaObject*)lua_newuserdata(state, sizeof(ScriptUtil::LuaObject));
                    object->instance = returnPtr;
                    object->owns = false;
                    luaL_getmetatable(state, "MaterialParameter");
                    lua_setmetatable(state, -2);
                }
                else
                {
                    lua_pushnil(state);
                }

                return 1;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_getParameter - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 2).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_getPass(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 2:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA) &&
                (lua_type(state, 2) == LUA_TSTRING || lua_type(state, 2) == LUA_TNIL))
            {
                // Get parameter 1 off the stack.
                ScriptUtil::LuaArray<const char> param1 = ScriptUtil::getString(2, false);

                Technique* instance = getInstance(state);
                void* returnPtr = (void*)instance->getPass(param1);
                if (returnPtr)
                {
                    ScriptUtil::LuaObject* object = (ScriptUtil::LuaObject*)lua_newuserdata(state, sizeof(ScriptUtil::LuaObject));
                    object->instance = returnPtr;
                    object->owns = false;
                    luaL_getmetatable(state, "Pass");
                    lua_setmetatable(state, -2);
                }
                else
                {
                    lua_pushnil(state);
                }

                return 1;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_getPass - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 2).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_getPassByIndex(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 2:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA) &&
                lua_type(state, 2) == LUA_TNUMBER)
            {
                // Get parameter 1 off the stack.
                unsigned int param1 = (unsigned int)luaL_checkunsigned(state, 2);

                Technique* instance = getInstance(state);
                void* returnPtr = (void*)instance->getPassByIndex(param1);
                if (returnPtr)
                {
                    ScriptUtil::LuaObject* object = (ScriptUtil::LuaObject*)lua_newuserdata(state, sizeof(ScriptUtil::LuaObject));
                    object->instance = returnPtr;
                    object->owns = false;
                    luaL_getmetatable(state, "Pass");
                    lua_setmetatable(state, -2);
                }
                else
                {
                    lua_pushnil(state);
                }

                return 1;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_getPassByIndex - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 2).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_getPassCount(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 1:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA))
            {
                Technique* instance = getInstance(state);
                unsigned int result = instance->getPassCount();

                // Push the return value onto the stack.
                lua_pushunsigned(state, result);

                return 1;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_getPassCount - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 1).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_getRefCount(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 1:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA))
            {
                Technique* instance = getInstance(state);
                unsigned int result = instance->getRefCount();

                // Push the return value onto the stack.
                lua_pushunsigned(state, result);

                return 1;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_getRefCount - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 1).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_getStateBlock(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 1:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA))
            {
                Technique* instance = getInstance(state);
                void* returnPtr = (void*)instance->getStateBlock();
                if (returnPtr)
                {
                    ScriptUtil::LuaObject* object = (ScriptUtil::LuaObject*)lua_newuserdata(state, sizeof(ScriptUtil::LuaObject));
                    object->instance = returnPtr;
                    object->owns = false;
                    luaL_getmetatable(state, "RenderStateStateBlock");
                    lua_setmetatable(state, -2);
                }
                else
                {
                    lua_pushnil(state);
                }

                return 1;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_getStateBlock - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 1).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_release(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 1:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA))
            {
                Technique* instance = getInstance(state);
                instance->release();
                
                return 0;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_release - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 1).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_setParameterAutoBinding(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 3:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA) &&
                (lua_type(state, 2) == LUA_TSTRING || lua_type(state, 2) == LUA_TNIL) &&
                (lua_type(state, 3) == LUA_TSTRING || lua_type(state, 3) == LUA_TNIL))
            {
                // Get parameter 1 off the stack.
                ScriptUtil::LuaArray<const char> param1 = ScriptUtil::getString(2, false);

                // Get parameter 2 off the stack.
                RenderState::AutoBinding param2 = (RenderState::AutoBinding)lua_enumFromString_RenderStateAutoBinding(luaL_checkstring(state, 3));

                Technique* instance = getInstance(state);
                instance->setParameterAutoBinding(param1, param2);
                
                return 0;
            }
            else if ((lua_type(state, 1) == LUA_TUSERDATA) &&
                (lua_type(state, 2) == LUA_TSTRING || lua_type(state, 2) == LUA_TNIL) &&
                (lua_type(state, 3) == LUA_TSTRING || lua_type(state, 3) == LUA_TNIL))
            {
                // Get parameter 1 off the stack.
                ScriptUtil::LuaArray<const char> param1 = ScriptUtil::getString(2, false);

                // Get parameter 2 off the stack.
                ScriptUtil::LuaArray<const char> param2 = ScriptUtil::getString(3, false);

                Technique* instance = getInstance(state);
                instance->setParameterAutoBinding(param1, param2);
                
                return 0;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_setParameterAutoBinding - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 3).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

int lua_Technique_setStateBlock(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 2:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA) &&
                (lua_type(state, 2) == LUA_TUSERDATA || lua_type(state, 2) == LUA_TTABLE || lua_type(state, 2) == LUA_TNIL))
            {
                // Get parameter 1 off the stack.
                ScriptUtil::LuaArray<RenderState::StateBlock> param1 = ScriptUtil::getObjectPointer<RenderState::StateBlock>(2, "RenderStateStateBlock", false);

                Technique* instance = getInstance(state);
                instance->setStateBlock(param1);
                
                return 0;
            }
            else
            {
                lua_pushstring(state, "lua_Technique_setStateBlock - Failed to match the given parameters to a valid function signature.");
                lua_error(state);
            }
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 2).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

}