#!/bin/bash
# Builds dist/SaraSuite.exe, the Windows version: the same PyInstaller
# one-file recipe as the AppImage, run with the Windows Python inside a Wine
# prefix (build/WinBuild/Prefix; PyInstaller can't build for Windows from
# Linux directly). The first run sets that prefix up: it downloads the
# official Windows Python and installs the build requirements into it.
set -euo pipefail
cd "$(dirname "$(readlink -f "$0")")/.."

PythonVersion=3.14.8
export WINEPREFIX="$PWD/build/WinBuild/Prefix" WINEDEBUG=-all WINEARCH=win64
WinPython='C:\Python314\python.exe'

if [ ! -f "$WINEPREFIX/drive_c/Python314/python.exe" ]; then
    echo "== Setting up the Windows build environment (one-time)"
    mkdir -p build/WinBuild
    Installer="build/WinBuild/python-$PythonVersion-amd64.exe"
    [ -f "$Installer" ] || curl -sfL -o "$Installer" "https://www.python.org/ftp/python/$PythonVersion/python-$PythonVersion-amd64.exe"
    wineboot -i >/dev/null 2>&1 || true
    wine "$Installer" /quiet InstallAllUsers=0 PrependPath=1 Include_test=0 TargetDir='C:\Python314'
fi
wine "$WinPython" -m pip install --quiet --disable-pip-version-check -r requirements.txt pyinstaller pylnk3 pillow

find Programs -name __pycache__ -type d -prune -exec rm -rf {} +
Win() { winepath -w "$1"; }

# The window/taskbar/Explorer icon, from the same pixel art at whole multiples of its grid.
wine "$WinPython" -c "
from PIL import Image
Grid = Image.open(r'$(Win assets/Icon.png)').convert('RGBA').resize((32, 32), Image.NEAREST)
Grid.resize((256, 256), Image.NEAREST).save(r'$(Win build/WinBuild/Icon.ico)', sizes=[(S, S) for S in (256, 128, 64, 32, 16)])
"

# --python-option "X utf8": Python's UTF-8 mode, since on Windows it would
# otherwise read and write every TOML file in the old ANSI code page.
wine "$WinPython" -m PyInstaller --noconfirm --clean --log-level WARN \
    --onefile --windowed --name SaraSuite --collect-data flet \
    --python-option "X utf8" \
    --icon "$(Win build/WinBuild/Icon.ico)" \
    --add-data "$(Win assets);assets" --add-data "$(Win Programs);Programs" \
    --distpath "$(Win build/WinBuild/dist)" --workpath "$(Win build/WinBuild/work)" --specpath "$(Win build/WinBuild)" \
    "$(Win Main.py)"

mkdir -p dist
# Renamed into place, like the AppImage, in case one is running from dist/.
cp build/WinBuild/dist/SaraSuite.exe dist/SaraSuite.exe.new
mv -f dist/SaraSuite.exe.new dist/SaraSuite.exe
echo "Built dist/SaraSuite.exe"