package company

import "testing"

func TestDedupeRecommendationResponsesByTenderID(t *testing.T) {
	input := []RecommendedTenderResponse{
		{Rank: 1, TenderID: " PROC-1 ", Analysis: " first "},
		{Rank: 2, TenderID: "PROC-2", Analysis: "second"},
		{Rank: 1, TenderID: "PROC-2", Analysis: "duplicate"},
		{Rank: 4, TenderID: "   ", Analysis: "ignored"},
	}

	got := dedupeRecommendationResponsesByTenderID(input)
	if len(got) != 2 {
		t.Fatalf("dedupeRecommendationResponsesByTenderID() len = %d, want 2", len(got))
	}
	if got[0].TenderID != "PROC-1" || got[0].Analysis != "first" {
		t.Fatalf("first recommendation = %+v, want trimmed PROC-1/first", got[0])
	}
	if got[1].TenderID != "PROC-2" || got[1].Rank != 2 {
		t.Fatalf("second recommendation = %+v, want original PROC-2 rank 2", got[1])
	}
}

func TestMergeRecommendedTenders(t *testing.T) {
	first := []RecommendedTenderResponse{
		{Rank: 1, TenderID: " PROC-1 ", Analysis: " first "},
		{Rank: 2, TenderID: "PROC-2", Analysis: "second"},
	}
	second := []RecommendedTenderResponse{
		{Rank: 1, TenderID: "PROC-2", Analysis: "duplicate"},
		{Rank: 3, TenderID: "PROC-3", Analysis: "third"},
		{Rank: 4, TenderID: "   ", Analysis: "ignored"},
	}

	got := mergeRecommendedTenders(first, second)
	if len(got) != 3 {
		t.Fatalf("mergeRecommendedTenders() len = %d, want 3", len(got))
	}

	if got[0].TenderID != "PROC-1" || got[0].Analysis != "first" {
		t.Fatalf("first recommendation = %+v, want trimmed PROC-1/first", got[0])
	}
	if got[1].TenderID != "PROC-2" || got[1].Rank != 2 {
		t.Fatalf("second recommendation = %+v, want original PROC-2 rank 2", got[1])
	}
	if got[2].TenderID != "PROC-3" {
		t.Fatalf("third recommendation = %+v, want PROC-3", got[2])
	}
}

func TestNormalizeRecommendationCompanyIDs(t *testing.T) {
	got := normalizeRecommendationCompanyIDs([]string{" company-a ", "", "company-b", "company-a"})
	want := []string{"company-a", "company-b"}

	if len(got) != len(want) {
		t.Fatalf("normalizeRecommendationCompanyIDs() len = %d, want %d", len(got), len(want))
	}
	for i := range want {
		if got[i] != want[i] {
			t.Fatalf("normalizeRecommendationCompanyIDs()[%d] = %q, want %q", i, got[i], want[i])
		}
	}
}