package contract

import (
	"encoding/json"
	"testing"

	"git.ipao.vip/rogee/go-sip/contracts"
)

func TestDecodeServiceUsesApprovedMessageTypeAndCorrelation(t *testing.T) {
	for _, name := range []string{"command-query", "call-query", "ai-config-request", "command-query-result", "call-query-result", "ai-config-result"} {
		raw, err := contracts.Files.ReadFile("upstream/v1/examples/" + name + ".json")
		if err != nil {
			t.Fatal(err)
		}
		message, err := DecodeService(raw)
		if err != nil {
			t.Fatalf("%s: %v", name, err)
		}
		if message.MessageType == "" || message.DispatcherID == "" || message.MessageID == "" {
			t.Fatal("message identity was lost")
		}
		var body map[string]any
		if err := json.Unmarshal(raw, &body); err != nil {
			t.Fatal(err)
		}
		body["message_kind"] = "request"
		bad, _ := json.Marshal(body)
		if _, err := DecodeService(bad); err == nil {
			t.Fatal("invented message_kind accepted")
		}
		delete(body, "message_kind")
		body["schema_version"] = "1.0"
		bad, _ = json.Marshal(body)
		if _, err := DecodeService(bad); err == nil {
			t.Fatal("legacy service envelope accepted")
		}
	}
}