#!/usr/bin/env bash
set -euo pipefail
mkdir -p internal/httpx internal/{fetch,health,proxy}
cat > go.mod <<'EOF'
module edge

go 1.22
EOF
cat > internal/httpx/client.go <<'EOF'
package httpx

import (
	"context"
	"fmt"
	"time"
)

// Options configures a request. It replaces the old positional timeout
// argument; Do now takes a context and an Options value.
type Options struct {
	Timeout time.Duration
	Retries int
}

// Do performs a request.
//
// Deprecated form, removed in this release:
//
//	func Do(url string, timeout time.Duration) (string, error)
func Do(ctx context.Context, url string, opts Options) (string, error) {
	if opts.Timeout <= 0 {
		return "", fmt.Errorf("httpx: timeout is required")
	}
	return "body of " + url, nil
}
EOF
cat > internal/fetch/fetch.go <<'EOF'
package fetch

import (
	"time"

	"edge/internal/httpx"
)

func Page(url string) (string, error) {
	return httpx.Do(url, 5*time.Second)
}
EOF
cat > internal/health/health.go <<'EOF'
package health

import (
	"time"

	"edge/internal/httpx"
)

func Check(url string) bool {
	_, err := httpx.Do(url, 2*time.Second)
	return err == nil
}
EOF
cat > internal/proxy/proxy.go <<'EOF'
package proxy

import (
	"time"

	"edge/internal/httpx"
)

func Forward(url string) (string, error) {
	body, err := httpx.Do(url, 30*time.Second)
	if err != nil {
		return "", err
	}
	return body, nil
}
EOF
git init -q . && git add -A && git -c user.email=e@x -c user.name=n commit -qm base