package buildinfo

import (
	"os"
	"strconv"
	"strings"
	"testing"
)

func TestDockerfileMetadataMatchesRuntimeContracts(t *testing.T) {
	t.Parallel()
	content, err := os.ReadFile("../../Dockerfile")
	if err != nil {
		t.Fatal(err)
	}
	dockerfile := string(content)
	wanted := []string{
		"ARG VERSION=" + Version,
		"ARG MINIMUM_UPDATE_VERSION=" + MinimumUpdateVersion,
		"ARG MINIMUM_AGENT_PROTOCOL=" + strconv.Itoa(MinimumAgentProtocol),
		"ARG RUNTIME_CONTRACT_VERSION=" + strconv.Itoa(RuntimeContractVersion),
		"ARG DATABASE_CONTRACT_VERSION=" + strconv.Itoa(DatabaseContractVersion),
		"ARG SCHEMA_VERSION=" + strconv.Itoa(CurrentSchemaVersion),
	}
	for _, line := range wanted {
		if !strings.Contains(dockerfile, line+"\n") {
			t.Errorf("Dockerfile is missing %q", line)
		}
	}
	versionLinkerFlag := "-X github.com/root-kdw12/hetzner-api-dyndns-records-webinterface/internal/buildinfo.Version=${VERSION}"
	if count := strings.Count(dockerfile, versionLinkerFlag); count != 1 {
		t.Fatalf("release version must be linked into the control binary, found %d flags", count)
	}
	if !strings.Contains(dockerfile, "ln -s domain-control /usr/local/bin/update-agent") {
		t.Fatal("Dockerfile is missing the v1.3 Compose compatibility symlink")
	}
	for path, marker := range map[string]string{
		"../../compose.yml": "domain-control-webinterface-prod:" + Version,
		"../../README.md":   "domain-control-webinterface-prod:" + Version,
		"../../UPDATE.md":   "Compose-Version ist `" + Version + "`",
	} {
		data, readErr := os.ReadFile(path)
		if readErr != nil {
			t.Fatal(readErr)
		}
		if !strings.Contains(string(data), marker) {
			t.Errorf("%s is not synchronized with %s", path, Version)
		}
	}
}