#!/usr/bin/env bash
# Pre-compile step: directive codegen, Tailwind CSS, WebAssembly build, JS shim.
# Run the dev server instead (go run ./server) for hot reload; this is for a
# one-off/production-style build. Run from anywhere.
set -euo pipefail

cd "$(dirname "$0")"
KJOL_GO="$(cd ../../.. && pwd)"

echo "==> Generating directive glue (//gowasm:page, //gowasm:layout, //gowasm:server)"
go run kjol/cmd/wasmgen ./app

echo "==> Compiling Tailwind CSS -> wwwroot/app.css (scanning webui + Go markup)"
# Run twcss from the kjol module root so the Tailwind engine's deps resolve there
# (not in this example module — keeps its go.mod lean).
( cd "$KJOL_GO" && go run ./cmd/twcss \
    -entry cmd/examples/go-wasm-web/css/app.css \
    -out cmd/examples/go-wasm-web/wwwroot/app.css \
    -base . \
    'webui/**/*.go' \
    'cmd/examples/go-wasm-web/app/**/*.go' \
    'cmd/examples/go-wasm-web/server/**/*.go' )

echo "==> Compiling ./wasm to wwwroot/app.wasm (GOOS=js GOARCH=wasm)"
GOOS=js GOARCH=wasm go build -o wwwroot/app.wasm ./wasm

echo "==> Copying Go's wasm_exec.js shim into wwwroot/"
GOROOT="$(go env GOROOT)"
shim="$GOROOT/lib/wasm/wasm_exec.js"      # Go >= 1.24
[ -f "$shim" ] || shim="$GOROOT/misc/wasm/wasm_exec.js" # Go <= 1.23
rm -f wwwroot/wasm_exec.js                # GOROOT copy is read-only; remove before overwriting
cp "$shim" wwwroot/wasm_exec.js
chmod u+w wwwroot/wasm_exec.js

echo "==> Done. Run the server with:  go run ./server"
echo "    then open http://localhost:8085"