package adapters

import (
	"encoding/json"
	"testing"
	"time"

	"github.com/shopspring/decimal"

	oppintel "github.com/missionworkforce/missionmatch/internal/modules/opportunity_intelligence"
	"github.com/missionworkforce/missionmatch/internal/platform/marketintel"
	"github.com/missionworkforce/missionmatch/internal/platform/samgov"
)

func TestFromSAM(t *testing.T) {
	posted := time.Date(2026, 6, 1, 0, 0, 0, 0, time.UTC)
	deadline := time.Date(2026, 7, 1, 12, 0, 0, 0, time.UTC)
	n := samgov.Normalized{
		NoticeID: "N123", Title: "Cyber support", SolicitationNumber: "FA8773 26 R 0001",
		Department: "DEPT OF DEFENSE", SubAgency: "AIR FORCE", NaicsCode: "541512", PSCCode: "D310",
		SetAside: "8(a) Set Aside", SetAsideCode: "8A", POPCity: "Honolulu", POPState: "HI", POPZip: "96853",
		PostedDate: &posted, ResponseDeadline: &deadline, UILink: "https://sam.gov/x", Source: "SAM.gov",
		Raw: json.RawMessage(`{"noticeId":"N123"}`),
	}
	at := time.Date(2026, 6, 26, 0, 0, 0, 0, time.UTC)
	r := fromSAM(n, at)

	if r.SourceName != "SAM.gov" || r.SourceRecordID != "N123" {
		t.Fatalf("provenance wrong: %+v", r)
	}
	if r.Kind != oppintel.KindActiveSolicitation {
		t.Fatalf("kind = %s", r.Kind)
	}
	if r.EstimatedValue != nil {
		t.Fatal("SAM opportunities must carry no dollar value")
	}
	if r.DedupeKey != "FA877326R0001" {
		t.Fatalf("dedupe = %q", r.DedupeKey)
	}
	if r.Place.State != "HI" || r.NAICS != "541512" || r.SubAgency != "AIR FORCE" {
		t.Fatalf("fields wrong: %+v", r)
	}
	if !r.FetchedAt.Equal(at) {
		t.Fatalf("fetchedAt = %v", r.FetchedAt)
	}
	if r.IsPlanning {
		t.Fatal("solicitations are not planning data")
	}
}

func TestFromAward(t *testing.T) {
	amt := decimal.RequireFromString("1250000.50")
	start := time.Date(2025, 1, 1, 0, 0, 0, 0, time.UTC)
	a := marketintel.Award{
		GeneratedInternalID: "CONT_AWD_1", AwardID: "FA8773-26-R-0001", RecipientName: "Acme Corp",
		RecipientUEI: "ABC123", AwardAmount: &amt, AwardingAgency: "Department of Defense",
		AwardingSubAgency: "Department of the Air Force", NAICSCode: "541512", Description: "IT services",
		POPStart: &start, Raw: json.RawMessage(`{"id":1}`),
	}
	r := fromAward(a, start)

	if r.Kind != oppintel.KindContractAward {
		t.Fatalf("kind = %s", r.Kind)
	}
	if r.EstimatedValue == nil || !r.EstimatedValue.Equal(amt) {
		t.Fatalf("value = %v", r.EstimatedValue)
	}
	if r.ValueSource != "usaspending" {
		t.Fatalf("value source = %q", r.ValueSource)
	}
	if r.IncumbentName != "Acme Corp" || r.IncumbentUEI != "ABC123" {
		t.Fatalf("incumbent wrong: %+v", r)
	}
	// The award PIID and the SAM solicitation above reduce to the same dedupe key.
	if r.DedupeKey != "FA877326R0001" {
		t.Fatalf("dedupe = %q", r.DedupeKey)
	}
}

func TestFromAwardNilAmountKeepsNoValue(t *testing.T) {
	a := marketintel.Award{GeneratedInternalID: "X", AwardID: "Y"}
	r := fromAward(a, time.Now())
	if r.EstimatedValue != nil {
		t.Fatal("a nil award amount must stay nil, never a fabricated zero")
	}
	if r.ValueSource != "" {
		t.Fatal("no value source without a value")
	}
}