package parser

import (
	"testing"

	"git.mchus.pro/mchus/logpile/internal/models"
)

type stubParser struct {
	name       string
	vendor     string
	confidence int
	priority   int
	hasPrio    bool
}

func (s stubParser) Name() string    { return s.name }
func (s stubParser) Vendor() string  { return s.vendor }
func (s stubParser) Version() string { return "1.0" }
func (s stubParser) Detect([]ExtractedFile) int {
	return s.confidence
}
func (s stubParser) Parse([]ExtractedFile) (*models.AnalysisResult, error) {
	return &models.AnalysisResult{}, nil
}

type stubPrioParser struct{ stubParser }

func (s stubPrioParser) DetectPriority() int { return s.priority }

func TestDetectFormat_PriorityBreaksConfidenceTie(t *testing.T) {
	broad := stubParser{name: "broad", vendor: "test_broad", confidence: 100}
	specific := stubPrioParser{stubParser{name: "specific", vendor: "test_specific", confidence: 100}}
	specific.priority = 10

	saved := registry
	registry = map[string]VendorParser{"a": broad, "b": specific}
	defer func() { registry = saved }()

	got, err := DetectFormat(nil)
	if err != nil {
		t.Fatal(err)
	}
	if got.Name() != "specific" {
		t.Fatalf("chosen %q, want the higher-priority parser on a confidence tie", got.Name())
	}
}

func TestDetectFormat_HigherConfidenceStillWinsOverPriority(t *testing.T) {
	broad := stubParser{name: "broad", vendor: "test_broad", confidence: 100}
	specific := stubPrioParser{stubParser{name: "specific", vendor: "test_specific", confidence: 40}}
	specific.priority = 10

	saved := registry
	registry = map[string]VendorParser{"a": broad, "b": specific}
	defer func() { registry = saved }()

	got, _ := DetectFormat(nil)
	if got.Name() != "broad" {
		t.Fatalf("chosen %q, want higher-confidence parser", got.Name())
	}
}