#!/bin/bash
# https://docs.sheetjs.com/docs/demos/engines/duktape#zig-demo

cd /tmp
rm -rf sheetjs-zig
mkdir -p sheetjs-zig
cd sheetjs-zig

OS="$(uname -s)"
ARCH="$(uname -m)"

case "$ARCH" in
  x86_64) ZIG_ARCH="x86_64" ;;
  aarch64|arm64) ZIG_ARCH="aarch64" ;;
  *) echo "unsupported arch $ARCH"; exit 1 ;;
esac

ZIG_VERSION="0.15.2"
case "$OS" in
  Darwin)
    FILENAME="zig-${ZIG_ARCH}-macos-${ZIG_VERSION}.tar.xz"
    curl -LO "https://ziglang.org/download/${ZIG_VERSION}/${FILENAME}"
    tar -xzf "${FILENAME}"
    ;;
  Linux)
    FILENAME="zig-${ZIG_ARCH}-linux-${ZIG_VERSION}.tar.xz"
    curl -LO "https://ziglang.org/download/${ZIG_VERSION}/${FILENAME}"
    xz -d zig-*.tar.xz
    tar -xf zig-*.tar
    ;;
  *)
    echo "unsupported OS: $OS"
    exit 1
    ;;
esac

./zig-*/zig init

curl -LO https://duktape.org/duktape-2.7.0.tar.xz
tar -xJf duktape-2.7.0.tar.xz

curl -LO https://cdn.sheetjs.com/xlsx-latest/package/dist/shim.min.js
curl -LO https://cdn.sheetjs.com/xlsx-latest/package/dist/xlsx.full.min.js
curl -LO https://docs.sheetjs.com/pres.numbers

mv *.js src

curl -L -o src/main.zig https://docs.sheetjs.com/duk/main.zig

sed '/b.installArtifact(exe);/ i\
    exe.addCSourceFile(.{ .file = b.path("duktape-2.7.0/src/duktape.c"), .flags = &.{ "-std=c99", "-fno-sanitize=undefined" } });\
    exe.addIncludePath(b.path("duktape-2.7.0/src"));\
    exe.linkSystemLibrary("c");\
    exe.linkSystemLibrary("m");' build.zig > build.zig.tmp && mv build.zig.tmp build.zig

./zig-*/zig build run -- pres.numbers; echo $?

npx -y xlsx-cli sheetjs.zig.xlsx