# -*- mode: python ; coding: utf-8 -*-
"""
PyInstaller spec file for Kiwy Signage Player (Windows .exe)

Build command (from windows/ directory):
    pyinstaller build.spec --clean --noconfirm

OR use the build script:
    build_win.bat
"""

import os
import sys
from pathlib import Path

# --- Paths -----------------------------------------------------------
# This spec file is in windows/build.spec, so the project root is
# always two levels up from this file's real location.
# __file__ may not be available in PyInstaller spec context fallback to cwd.
try:
    _spec_dir = Path(__file__).resolve().parent
except NameError:
    _spec_dir = Path(os.getcwd()).resolve()
# _spec_dir is now the absolute path to the windows/ directory
BUILD_DIR = _spec_dir
ROOT_DIR = BUILD_DIR.parent
SRC_DIR = ROOT_DIR / 'src'
CONFIG_DIR = ROOT_DIR / 'config'
RESOURCES_DIR = CONFIG_DIR / 'resources'

# --- Determine hidden imports that PyInstaller might miss -------------
hidden_imports = [
    # Kivy core modules
    'kivy.core.window',
    'kivy.core.video',
    'kivy.core.audio',
    'kivy.core.text',
    'kivy.core.image',
    'kivy.core.gl',
    'kivy.core.camera',
    'kivy.core.clipboard',
    'kivy.core.spelling',
    'kivy.core.text.markup',
    'kivy.core.window.window_sdl2',
    'kivy.core.image.img_sdl2',
    'kivy.core.video.video_ffpyplayer',
    'kivy.core.audio.audio_ffpyplayer',
    # Kivy modules
    'kivy.uix.video',
    'kivy.uix.vkeyboard',
    'kivy.uix.popup',
    'kivy.uix.image',
    'kivy.uix.button',
    'kivy.uix.label',
    'kivy.uix.textinput',
    'kivy.uix.boxlayout',
    'kivy.uix.floatlayout',
    'kivy.uix.slider',
    'kivy.uix.widget',
    'kivy.uix.checkbox',
    'kivy.graphics',
    'kivy.graphics.texture',
    'kivy.graphics.vertex_instructions',
    'kivy.graphics.context_instructions',
    'kivy.clock',
    'kivy.loader',
    'kivy.animation',
    'kivy.lang',
    'kivy.logger',
    'kivy.config',
    'kivy.properties',
    'kivy.metrics',
    'kivy.factory',
    # Graphics providers
    'kivy.graphics.opengl',
    'kivy.graphics.opengl_utils',
    'kivy.graphics.fbo',
    'kivy.graphics.gl_instructions',
    'kivy.graphics.stencil_instructions',
    'kivy.graphics.scissor_instructions',
    'kivy.graphics.buffer',
    'kivy.graphics.vbo',
    'kivy.graphics.shader',
    'kivy.graphics.compiler',
    # ffpyplayer
    'ffpyplayer',
    'ffpyplayer.player',
    'ffpyplayer.pic',
    'ffpyplayer.writer',
    # Networking
    'requests',
    'aiohttp',
    'urllib3',
    'certifi',
    'bcrypt',
    # Platform
    'ctypes',
    'ctypes.wintypes',
    'subprocess',
    'shutil',
    'glob',
    'selectors',
    'tempfile',
    # Windows-specific
    'cef_browser',
    'webview2_browser',
    'webview2_runtime',
    'win32gui',
    'win32con',
    # Unified web-link controller (launch / verified visibility / interaction
    # watcher / teardown) — imported by main.py and run_win.py
    'weblink_session',
    # Windows-native card reader (Raw Input API + LL-hook fallback)
    'win_card_reader',
]

# Exclude Linux-only modules
excluded_imports = [
    'gi',  # GTK introspection (Linux)
    'gi.repository',
    'evdev',  # We inject a fake evdev module in run_win.py
    # GStreamer — we use ffpyplayer, not GStreamer
    'kivy.lib.gstplayer',
    # cefpython3: keep only Python 3.12 .pyd, exclude other version .pyd files
    'cefpython3.cefpython_py27',
    'cefpython3.cefpython_py34',
    'cefpython3.cefpython_py35',
    'cefpython3.cefpython_py36',
    'cefpython3.cefpython_py37',
    'cefpython3.cefpython_py38',
    'cefpython3.cefpython_py39',
    'cefpython3.cefpython_py310',
    'cefpython3.cefpython_py311',
]

# --- Application data files to bundle --------------------------------
# Resources (icons, intro video, etc.)
resources_data = []
for item in RESOURCES_DIR.iterdir():
    if item.is_file():
        target_dir = 'config/resources'
        resources_data.append((str(item), target_dir))

# Config directory.
#
# app_config.json is deliberately NOT bundled. Including it shipped the
# developer's own server_ip / screen_name inside the exe, so a fresh install
# silently connected to the wrong server (or to a placeholder) instead of
# asking the operator. The player now starts unconfigured, shows a notice after
# the splash video and opens Settings to collect the real values, which are
# then saved next to the .exe.
config_data = []
config_file = CONFIG_DIR / 'app_config.json'
if config_file.exists():
    print("[spec] app_config.json is NOT bundled (first-run setup collects it)")

# --- Bundled web engines ---------------------------------------------
# Embedded WebView2 (Edge) SDK: the managed assembly plus the native loader
# DLL. The *runtime* itself is a Microsoft-shipped evergreen component and is
# deliberately NOT bundled (that is the point of using WebView2 — no ~150 MB
# Chromium payload inside our exe).
webview2_data = []
webview2_sdk = BUILD_DIR / 'webview2_sdk'
if webview2_sdk.is_dir():
    for item in webview2_sdk.iterdir():
        if item.is_file():
            webview2_data.append((str(item), 'webview2_sdk'))
    print(f"[spec] Bundling {len(webview2_data)} WebView2 SDK file(s) from {webview2_sdk}")

# WebView2 Runtime installer, so a machine that ships WITHOUT the Runtime can
# install it on first start (see windows/webview2_runtime.py).
#
# Only the small bootstrapper (~1.7 MB) is bundled by default; it downloads the
# Runtime from Microsoft. Dropping the ~203 MB offline standalone installer
# into windows/webview2_runtime/ bundles it too, which is what you want for
# machines with no internet — but it triples the exe size, so it is opt-in.
webview2_runtime = BUILD_DIR / 'webview2_runtime'
_bootstrap = webview2_runtime / 'MicrosoftEdgeWebview2Setup.exe'
_standalone = webview2_runtime / 'MicrosoftEdgeWebView2RuntimeInstallerX64.exe'
if _bootstrap.is_file():
    webview2_data.append((str(_bootstrap), 'webview2_runtime'))
    print(f"[spec] Bundling WebView2 Runtime bootstrapper ({_bootstrap.stat().st_size / 1024 / 1024:.1f} MB)")
if _standalone.is_file():
    webview2_data.append((str(_standalone), 'webview2_runtime'))
    print(f"[spec] Bundling WebView2 offline standalone installer "
          f"({_standalone.stat().st_size / 1024 / 1024:.0f} MB) — exe will be much larger")
if not _bootstrap.is_file() and not _standalone.is_file():
    print("=" * 70)
    print("WARNING: no WebView2 Runtime installer in windows/webview2_runtime/.")
    print("Machines without the Runtime cannot show web links (they fall back")
    print("to the Chrome/Edge subprocess engine).")
    print("=" * 70)
else:
    print("=" * 70)
    print("WARNING: windows/webview2_sdk/ not found.")
    print("Web links will fall back to the Chrome/Edge subprocess engine.")
    print("=" * 70)

# Source files - .kv file
kv_file = SRC_DIR / 'signage_player.kv'
kv_data = []
if kv_file.exists():
    kv_data.append((str(kv_file), '.'))

# Bundle the entire src directory as a tree.
#
# EXCLUDE player_auth.json: it holds LIVE credentials (auth_code, player_id,
# server_url). Bundling it means the frozen app starts up in _internal/ and
# loads that snapshot as its auth state — so a freshly built exe boots
# "already authenticated" against whatever server the file happened to name,
# and plays a stale playlist. Auth must be created at runtime in the data dir
# next to the .exe (see run_win.py `_patch_auth_paths`).
source_tree = Tree(
    str(SRC_DIR),
    prefix='',
    excludes=['*.pyc', '__pycache__', '*.ini', 'player_auth.json'],
)

# --- Collect binary DLLs from kivy_deps and ffpyplayer ----------------
import importlib.util
from pathlib import Path as _Path


def _site_packages_dir(package_path):
    """Climb up from a package's __init__.py to its site-packages dir."""
    d = _Path(package_path).parent
    while d.name != 'site-packages' and d.parent != d:
        d = d.parent
    return d


def _find_share_dlls(package_name, share_name=None):
    """Find .dll files under venv_root/share/<share_name>/.

    kivy_deps.sdl2/angle/glew and ffpyplayer install their DLLs into
    <venv>/share/<pkg>/... NOT inside the package dir. The share folder is
    named after the *short* dep name (e.g. 'sdl2', 'angle', 'glew'), not the
    dotted package name ('kivy_deps.sdl2'), so pass share_name explicitly.
    """
    if share_name is None:
        share_name = package_name
    spec = importlib.util.find_spec(package_name)
    if spec is None or not spec.origin:
        return []
    sp = _site_packages_dir(spec.origin)
    # Climb from site-packages up until we find a sibling 'share' dir
    # (site-packages -> Lib -> venv, where venv/share lives).
    d = sp
    while d.parent != d:
        if (d.parent / 'share').is_dir():
            share = d.parent / 'share' / share_name
            break
        d = d.parent
    else:
        return []
    if not share.is_dir():
        return []
    results = []
    for root, dirs, files in os.walk(share):
        for f in files:
            if f.endswith('.dll'):
                results.append((os.path.join(root, f), '.'))
    return results


def _find_ffpyplayer_bins():
    """Return ffpyplayer's own dependency DLL dirs (FFmpeg + bundled SDL).

    ffpyplayer ships a `dep_bins` list that already points at the correct
    share/ffpyplayer/ffmpeg/bin and share/ffpyplayer/sdl/bin directories.
    """
    try:
        import ffpyplayer
        bins = getattr(ffpyplayer, 'dep_bins', None)
        if not bins:
            return []
        results = []
        for b in bins:
            bpath = _Path(b)
            if bpath.is_dir():
                for f in bpath.glob('*.dll'):
                    results.append((str(f), '.'))
        return results
    except Exception:
        return []


# SDL2 / ANGLE / GLEW DLLs (kivy_deps share dirs)
_sdl2_dlls = _find_share_dlls('kivy_deps.sdl2', 'sdl2')
_angle_dlls = _find_share_dlls('kivy_deps.angle', 'angle')
_glew_dlls = _find_share_dlls('kivy_deps.glew', 'glew')

# ffpyplayer FFmpeg + bundled SDL DLLs (via dep_bins)
_ffpy_dlls = _find_ffpyplayer_bins()

_all_binaries = _sdl2_dlls + _angle_dlls + _glew_dlls + _ffpy_dlls

if not _all_binaries:
    print("=" * 70)
    print("WARNING: No Kivy/ffpyplayer DLLs found via share/ directories.")
    print("PyInstaller may still auto-detect them, but if the .exe")
    print("fails with 'SDL2.dll not found' or similar, you will need")
    print("to manually add the DLL paths to the spec file.")
    print("=" * 70)
else:
    print(f"[spec] Bundling {len(_all_binaries)} DLLs:")
    for _p, _t in sorted(_all_binaries):
        print(f"  {_Path(_p).name}  <-  {_p}")

# --- Build the .exe --------------------------------------------------
a = Analysis(
    ['run_win.py'],                         # Entry point (relative to this spec)
    pathex=[str(BUILD_DIR), str(SRC_DIR)],  # Where to find modules
    binaries=_all_binaries,
    datas=resources_data + config_data + kv_data + webview2_data,
    hiddenimports=hidden_imports,
    hookspath=[],
    hooksconfig={},
    runtime_hooks=[str(BUILD_DIR / 'pyi_runtime_hook.py')],
    excludes=excluded_imports,
    noarchive=False,
    module_collection_mode={
        'kivy': 'pyz',
        'kivy.core': 'pyz',
        'kivy.uix': 'pyz',
        'kivy.graphics': 'pyz',
    },
)

# Add the source tree (main.py, etc.)
a.datas += source_tree

pyz = PYZ(a.pure)

exe = EXE(
    pyz,
    a.scripts,
    a.binaries,
    a.zipfiles,
    a.datas,
    [],
    name='KiwySignagePlayer',
    debug=False,
    bootloader_ignore_signals=False,
    strip=False,
    upx=True,
    upx_exclude=[],
    runtime_tmpdir=None,
    console=True,           # Show console for debugging startup errors
    disable_windowed_traceback=False,
    argv_emulation=False,
    target_arch=None,
    codesign_identity=None,
    entitlements_file=None,
    icon=str(BUILD_DIR / 'app_icon.ico') if (BUILD_DIR / 'app_icon.ico').exists() else None,
    version=str(BUILD_DIR / 'version_info.txt') if (BUILD_DIR / 'version_info.txt').exists() else None,
)

# --- COLLECT everything into a single folder -------------------------
coll = COLLECT(
    exe,
    a.binaries,
    a.zipfiles,
    a.datas,
    strip=False,
    upx=True,
    upx_exclude=[],
    name='KiwySignagePlayer',
)