#!/usr/bin/env nu
# Build the pinned Go tools and QuickJS C sources for WASI preview1 during development.
def main [bin: path] {
    let here = $env.FILE_PWD
    let target = ($env.CARGO_TARGET_DIR | path expand)
    mkdir $target $bin
    for tool in [
        {name: awk, source: goawk, package: '.'}
        {name: esbuild, source: esbuild, package: './cmd/esbuild'}
    ] {
        let output = ($target | path join $'($tool.name).wasm')
        do {
            cd ($here | path join $tool.source source)
            with-env {GOOS: wasip1, GOARCH: wasm, GOPROXY: off} {
                ^go build -mod=vendor -trimpath '-ldflags=-s -w' -o $output $tool.package
            }
        }
        if $env.LAST_EXIT_CODE != 0 { error make {msg: $'($tool.name) build failed'} }
        ^cp --remove-destination $output ($bin | path join $'($tool.name).wasm')
        if $env.LAST_EXIT_CODE != 0 { error make {msg: 'preview1 bundle copy failed'} }
    }
    let build = ($target | path join qjs)
    ^cmake -S ($here | path join qjs source) -B $build -DCMAKE_SYSTEM_NAME=WASI $'-DCMAKE_C_COMPILER=($env.CC_wasm32_wasip2)' $'-DCMAKE_AR=($env.AR_wasm32_wasip2)' $'-DCMAKE_RANLIB=($env.AR_wasm32_wasip2 | str replace "-ar" "-ranlib")' -DCMAKE_BUILD_TYPE=Release
    if $env.LAST_EXIT_CODE != 0 { error make {msg: 'QuickJS configure failed'} }
    ^cmake --build $build --target qjs_exe --parallel
    if $env.LAST_EXIT_CODE != 0 { error make {msg: 'QuickJS build failed'} }
    ^cp --remove-destination ($build | path join qjs) ($bin | path join qjs.wasm)
    if $env.LAST_EXIT_CODE != 0 { error make {msg: 'QuickJS bundle copy failed'} }
}