//go:build linux || freebsd
// +build linux freebsd

// Package register provides a single registration point for all built-in goget protocols.
// Both CLI (cmd/goget) and library API (pkg/api) call RegisterAll to avoid
// duplicating the protocol registration list across packages.
package register

import (
	"codeberg.org/petrbalvin/goget/internal/core"
	"codeberg.org/petrbalvin/goget/internal/protocol"
	"codeberg.org/petrbalvin/goget/internal/protocol/dataurl"
	"codeberg.org/petrbalvin/goget/internal/protocol/file"
	"codeberg.org/petrbalvin/goget/internal/protocol/ftp"
	"codeberg.org/petrbalvin/goget/internal/protocol/gemini"
	"codeberg.org/petrbalvin/goget/internal/protocol/gopher"
	"codeberg.org/petrbalvin/goget/internal/protocol/http"
	"codeberg.org/petrbalvin/goget/internal/protocol/sftp"
	"codeberg.org/petrbalvin/goget/internal/protocol/webdav"
)

// RegisterAll registers all built-in protocols on the given registry.
// Protocols that are already registered are silently skipped, making this
// safe to call from both CLI and API initialization.
// Returns the HTTP protocol handler for further configuration (e.g., HSTS).
func RegisterAll(r *protocol.Registry) (*http.Client, error) {
	registerIfMissing := func(p core.Protocol) {
		if r.Supports(p.Scheme()) {
			return
		}
		_ = r.Register(p)
	}

	httpClient, err := http.NewClient(http.DefaultConfig())
	if err != nil {
		return nil, err
	}
	registerIfMissing(httpClient)
	registerIfMissing(ftp.NewProtocol())
	registerIfMissing(file.NewProtocol())
	registerIfMissing(dataurl.NewProtocol())
	registerIfMissing(gopher.NewProtocol())
	registerIfMissing(gemini.NewProtocol())
	registerIfMissing(sftp.NewProtocol())
	registerIfMissing(webdav.NewProtocol())
	return httpClient, nil
}