package conflictresolve_test

import (
	"context"
	"testing"
	"time"

	"chat-agent-system/internal/conflictresolve"
	"chat-agent-system/internal/dialoguectx"
)

func TestAdjudicateBlackboardBeatsDialogue(t *testing.T) {
	now := time.Now()
	engine := &conflictresolve.Engine{}
	verdicts := engine.Adjudicate(context.Background(),
		[]dialoguectx.DialogueFact{{
			Key: "device_type", Value: "超声", SpeakerName: "张工",
			StatedAt: now, Authority: dialoguectx.AuthorityCollabDialogue,
		}},
		[]conflictresolve.FactClaim{{
			Key: "device_type", Value: "眼科OCT", AuthorityRank: conflictresolve.RankBlackboard,
			SourceLabel: "blackboard", StatedAt: now.Add(-time.Hour),
		}},
	)
	if len(verdicts) != 1 {
		t.Fatalf("want 1 verdict, got %d", len(verdicts))
	}
	v := verdicts[0]
	if v.Winning.Value != "眼科OCT" {
		t.Fatalf("blackboard should win, got %s", v.Winning.Value)
	}
	if v.NeedsHITL {
		t.Fatal("clear authority gap should not need HITL")
	}
}

func TestAdjudicateAmbiguousNeedsHITL(t *testing.T) {
	now := time.Now()
	engine := &conflictresolve.Engine{}
	verdicts := engine.Adjudicate(context.Background(),
		[]dialoguectx.DialogueFact{
			{Key: "budget", Value: "一千万", SpeakerName: "张工", StatedAt: now},
			{Key: "budget", Value: "两千万", SpeakerName: "李工", StatedAt: now.Add(5 * time.Minute)},
		},
		nil,
	)
	if len(verdicts) != 1 {
		t.Fatalf("want 1 verdict, got %d", len(verdicts))
	}
	if !verdicts[0].NeedsHITL {
		t.Fatalf("expected HITL for ambiguous same-rank, got %#v", verdicts[0])
	}
	if verdicts[0].HITLRoute != conflictresolve.RouteTriggerUser {
		t.Fatalf("expected trigger_user route, got %s", verdicts[0].HITLRoute)
	}
}

func TestCardLimitAutoAdjudicates(t *testing.T) {
	verdicts := make([]conflictresolve.Verdict, 0, 5)
	for i := 0; i < 5; i++ {
		verdicts = append(verdicts, conflictresolve.Verdict{
			FactKey: "k", NeedsHITL: true, CardEligible: true,
			Resolution: conflictresolve.ResolutionNeedsConfirm,
			Winning:    conflictresolve.FactClaim{Value: "v"},
		})
	}
	out := conflictresolve.ApplyCardLimit(verdicts)
	cards := 0
	autos := 0
	for _, v := range out {
		if v.NeedsHITL {
			cards++
		}
		if v.Resolution == conflictresolve.ResolutionCardLimitAuto {
			autos++
		}
	}
	if cards != conflictresolve.MaxCardsPerTask {
		t.Fatalf("want %d cards, got %d", conflictresolve.MaxCardsPerTask, cards)
	}
	if autos != 2 {
		t.Fatalf("want 2 auto, got %d", autos)
	}
}

func TestRenderConfirmationsMD(t *testing.T) {
	md := conflictresolve.RenderConfirmationsMD(nil, time.Now())
	if md == "" {
		t.Fatal("empty md")
	}
}