# -*- mode: python ; coding: utf-8 -*-

import glob
import os
import sys


def find_libffi_dll():
    """
    Find the libffi-*.dll file required for _ctypes on Windows.
    Searches in common locations for standard, venv, and Conda Python.
    """
    if sys.platform != "win32":
        return []

    print("--- PyInstaller Build Environment ---")
    print(f"  - Python Executable: {sys.executable}")
    print(f"  - sys.prefix: {sys.prefix}")
    if hasattr(sys, "base_prefix"):
        print(f"  - sys.base_prefix: {sys.base_prefix}")
    else:
        print("  - sys.base_prefix: Not available")
    conda_prefix = os.environ.get("CONDA_PREFIX")
    print(f"  - CONDA_PREFIX env var: {conda_prefix}")

    search_paths = []
    # Active environment's DLLs directory
    search_paths.append(os.path.join(sys.prefix, "DLLs"))

    # Base Python installation's directories (if in a venv)
    if hasattr(sys, "base_prefix") and sys.base_prefix != sys.prefix:
        search_paths.append(os.path.join(sys.base_prefix, "DLLs"))
        search_paths.append(os.path.join(sys.base_prefix, "Library", "bin"))

    # Conda environment's directory (if CONDA_PREFIX is set)
    if conda_prefix:
        search_paths.append(os.path.join(conda_prefix, "Library", "bin"))

    print("\n--- Potential Search Paths for libffi ---")
    for p in search_paths:
        print(f"  - Path: {p}, Exists? {os.path.isdir(p)}")

    print("\n--- Searching for libffi DLL on Windows ---")
    unique_paths = sorted(list(set(p for p in search_paths if os.path.isdir(p))))

    for path in unique_paths:
        print(f"  - Checking: {path}")
        dll_pattern = os.path.join(path, "libffi-*.dll")
        found_dlls = glob.glob(dll_pattern)
        if found_dlls:
            dll_path = found_dlls[0]
            print(f"  - Found: {dll_path}")
            return [(dll_path, ".")]  # (source, destination_in_bundle)

    print("\nERROR: Could not find libffi-*.dll on Windows.")
    sys.exit(1)


# --- PyInstaller Spec ---
app_name = 'PicoStream'
binaries = find_libffi_dll() if sys.platform == "win32" else []

a = Analysis(
    ['picostream/main.py'],
    pathex=[],
    binaries=binaries,
    datas=[],
    hiddenimports=[],
    hookspath=[],
    hooksconfig={},
    runtime_hooks=[],
    excludes=[],
    win_no_prefer_redirects=False,
    win_private_assemblies=False,
    cipher=None,
    noarchive=False,
)
pyz = PYZ(a.pure, a.zipped_data, cipher=None)

exe = EXE(
    pyz,
    a.scripts,
    a.binaries,
    a.zipfiles,
    a.datas,
    [],
    name=app_name,
    debug=False,
    bootloader_ignore_signals=False,
    strip=False,
    upx=True,
    upx_exclude=[],
    runtime_tmpdir=None,
    console=True,  # useful for debugging for now
    disable_windowed_traceback=False,
    argv_emulation=False,
    target_arch=None,
    codesign_identity=None,
    entitlements_file=None,
    icon=None,
)
# NOTE: The absence of a COLLECT block is what defines a one-file build.