"""
Pre-build script for Kode Dot FTP Explorer.

Resolves ESP32 Arduino Core 3.x framework library paths dynamically and
compiles framework libraries that PlatformIO's LDF doesn't auto-discover
(Network, FFat).  Also adds include paths for all framework libraries
needed by SimpleFTPServer.
"""
Import("env")
import os

framework_dir = env.PioPlatform().get_package_dir("framework-arduinoespressif32")
libs_dir = os.path.join(framework_dir, "libraries")

# Framework libraries whose include paths are needed by SimpleFTPServer
# and our code (some may already be discovered by LDF — adding extras is harmless)
INCLUDE_LIBS = [
    "Network", "WiFi", "FS", "SD_MMC", "SD", "SPI",
    "FFat", "SPIFFS", "LittleFS",
]

for lib_name in INCLUDE_LIBS:
    inc_dir = os.path.join(libs_dir, lib_name, "src")
    if os.path.isdir(inc_dir):
        env.Append(CPPPATH=[inc_dir])

# These libraries are NOT auto-discovered by PlatformIO's LDF
# and must be explicitly compiled
COMPILE_LIBS = ["Network", "FFat"]

for lib_name in COMPILE_LIBS:
    src_dir = os.path.join(libs_dir, lib_name, "src")
    if os.path.isdir(src_dir):
        env.BuildSources(
            os.path.join("$BUILD_DIR", "Framework" + lib_name),
            src_dir,
        )