package event

import (
	"encoding/json"
	"testing"
)

func TestValidate_ValidEvent(t *testing.T) {
	raw := `{
		"schema": {"name": "agentmon.event", "version": 1},
		"event": {
			"id": "e1",
			"type": "run.start",
			"ts": "2026-01-17T00:00:00Z",
			"source": {"framework": "claude-code", "client_id": "c1", "host": "myhost"}
		}
	}`
	var m map[string]any
	_ = json.Unmarshal([]byte(raw), &m)

	err := Validate(m)
	if err != nil {
		t.Fatalf("expected no error, got %v", err)
	}
}

func TestValidate_MissingEventID(t *testing.T) {
	raw := `{
		"schema": {"name": "agentmon.event", "version": 1},
		"event": {
			"type": "run.start",
			"ts": "2026-01-17T00:00:00Z",
			"source": {"framework": "claude-code", "client_id": "c1", "host": "myhost"}
		}
	}`
	var m map[string]any
	_ = json.Unmarshal([]byte(raw), &m)

	err := Validate(m)
	if err == nil {
		t.Fatal("expected error for missing event.id")
	}
}

func TestValidate_InvalidType(t *testing.T) {
	raw := `{
		"schema": {"name": "agentmon.event", "version": 1},
		"event": {
			"id": "e1",
			"type": "invalid.type",
			"ts": "2026-01-17T00:00:00Z",
			"source": {"framework": "claude-code", "client_id": "c1", "host": "myhost"}
		}
	}`
	var m map[string]any
	_ = json.Unmarshal([]byte(raw), &m)

	err := Validate(m)
	if err == nil {
		t.Fatal("expected error for invalid type")
	}
}

func TestValidate_WrongSchemaName(t *testing.T) {
	raw := `{
		"schema": {"name": "wrong.schema", "version": 1},
		"event": {
			"id": "e1",
			"type": "run.start",
			"ts": "2026-01-17T00:00:00Z",
			"source": {"framework": "claude-code", "client_id": "c1", "host": "myhost"}
		}
	}`
	var m map[string]any
	_ = json.Unmarshal([]byte(raw), &m)

	err := Validate(m)
	if err == nil {
		t.Fatal("expected error for wrong schema name")
	}
}