from conan import ConanFile
from conan.tools.cmake import CMakeToolchain, CMake, cmake_layout
from conan.tools.files import copy
import os

required_conan_version = ">=1.33.0"

class Bigfoot(ConanFile):
    name = "bigfoot"
    homepage = "https://gitlab.com/bigfootdev/bigfoot"
    description = "Bigfoot is a 3D game engine written in C++"
    topics = ("game engine", "3d")
    license = "MIT"
    version = "0.1.0"

    # Binary configuration
    settings = "os", "compiler", "build_type", "arch"
    options = {
        "shared": [True, False],
        "fPIC": [True, False],
        "unity_build": [True, False],
        "build_tests": [True, False],
        "sample_app": [True, False],
        "tracy": [True, False],
        "build_tools": [True, False],
        "vulkan": [True, False],
        "build_benchmarks": [True, False],
        "build_benchmarks_lto": [True, False],
        "render_doc": [True, False]
        }
    default_options = {
        "shared": False,
        "fPIC": True,
        "unity_build": True,
        "build_tests": False,
        "sample_app": False,
        "tracy": False,
        "build_tools": True,
        "vulkan": True,
        "build_benchmarks": False,
        "build_benchmarks_lto": True,
        "render_doc": False
        }
    
    generators = "CMakeDeps"

    def layout(self):
        cmake_layout(self)

    def configure(self):
        if self.settings.os == "Windows":
            del self.options.fPIC

        self.options['mimalloc'].override = True
        self.options['mimalloc'].shared = True
        if(self.settings.os == "Windows"):
            self.options["mimalloc"].win_redirect = True

        self.options['stduuid'].with_cxx20_span = True
        self.options['flatbuffers'].header_only = True

        if(self.options.tracy):
            self.options["tracy"].on_demand = True

        if(self.options.vulkan):
            self.options["spirv-cross"].exceptions = False

        if(self.options.build_benchmarks):
            self.options["benchmark"].enable_exceptions = False
            if(self.options.build_benchmarks_lto):
                self.options["benchmark"].enable_lto = True

    def requirements(self):
        self.requires("eastl/3.27.01@bigfootdev/main", transitive_headers=True)
        self.requires("unordered_dense/4.8.1@bigfootdev/main", transitive_headers=True)
        self.requires("mimalloc/3.1.5@bigfootdev/main", transitive_headers=True)
        self.requires("stduuid/1.2.3", transitive_headers=True)
        self.requires("sqlite3/3.51.0@bigfootdev/main", transitive_headers=True)
        self.requires("cli11/2.6.0")
        self.requires("rapidhash/3.0@bigfootdev/main", transitive_headers=True)
        self.requires("effolkronium-random/1.5.0", transitive_headers=True)
        self.requires("flatbuffers/25.12.19@bigfootdev/main", transitive_headers=True)

        if(self.settings.build_type == "RelWithDebInfo" or self.settings.build_type == "Debug"):
            self.requires("quill/11.0.2", transitive_headers=True)
            self.requires("cpptrace/1.0.4", transitive_headers=True)

        if(self.options.tracy):
            self.requires("tracy/0.12.2", transitive_headers=True)

        self.requires("glm/1.0.1", transitive_headers=True)
        self.requires("lodepng/cci.20250727@bigfootdev/main", transitive_headers=True)
        self.requires("imgui/1.92.5-docking", transitive_headers=True)

        if(self.options.vulkan):
            self.requires("vulkan-headers/1.4.313.0")
            if(self.settings.build_type == "RelWithDebInfo" or self.settings.build_type == "Debug"):
                self.requires("vulkan-validationlayers/1.4.313.0@bigfootdev/main")
            self.requires("vulkan-memory-allocator/3.3.0@bigfootdev/main")

        if(self.options.sample_app or self.options.build_tests or self.options.build_benchmarks):
            self.requires("glfw/3.4")

        if(self.options.build_tests):
            self.test_requires("gtest/1.17.0")
            self.test_requires("pixelmatch-cpp17/1.0.3@bigfootdev/main")

        if(self.options.build_tools):
            self.requires("spirv-cross/1.4.313.0")
            self.requires("shaderc/2025.3@bigfootdev/main")
            self.requires("stb/cci.20240531", override=True)
            self.requires("assimp/6.0.2")
            self.requires("meshoptimizer/1.0")
            self.requires("libsquish/1.15")

        if(self.options.build_benchmarks):
            self.requires("benchmark/1.9.4")

    def generate(self):
        tc = CMakeToolchain(self)
        
        tc.variables["UNITY_BUILD"] = self.options.unity_build
        tc.variables["BUILD_TESTS"] = self.options.build_tests
        tc.variables["TRACY"] = self.options.tracy
        tc.variables["BUILD_TOOLS"] = self.options.build_tools
        tc.variables["VULKAN"] = self.options.vulkan
        tc.variables["BUILD_BENCHMARKS"] = self.options.build_benchmarks
        tc.variables["RENDER_DOC"] = self.options.render_doc
        tc.variables["SAMPLE_APP"] = self.options.sample_app

        tc.generate()

    def build(self):
        cmake = CMake(self)
        cmake.configure()
        cmake.build()