package docgov_test

import (
	"context"
	"testing"
	"time"

	"chat-agent-system/internal/docgov"
)

func TestListWorkflowDocumentsIncludesActiveLease(t *testing.T) {
	engine := docgov.NewGovernanceEngine(nil)
	ctx := context.Background()
	const docID = "doc_project_docs_lease"
	if _, err := engine.CreateOrGetDocument(
		ctx, docID, 143, "intake", "用户初始需求收集表", "V0.1", "",
		9, "编制人", 2, "审核人", 3, "批准人",
	); err != nil {
		t.Fatal(err)
	}
	if _, err := engine.AcquireLease(ctx, docgov.LeaseAcquireRequest{
		DocID: docID, HolderType: docgov.LeaseHolderSquad, HolderID: "run-visible", TTL: time.Minute,
	}); err != nil {
		t.Fatal(err)
	}

	docs, err := engine.ListWorkflowDocumentsByProject(ctx, 143)
	if err != nil {
		t.Fatal(err)
	}
	if len(docs) != 1 {
		t.Fatalf("documents=%d", len(docs))
	}
	if docs[0].LeaseHolderType != docgov.LeaseHolderSquad || docs[0].LeaseHolderID != "run-visible" {
		t.Fatalf("lease not projected: %+v", docs[0])
	}
	if docs[0].LeaseExpiresAt == nil || docs[0].LeaseHeartbeatAt == nil {
		t.Fatalf("lease timestamps missing: %+v", docs[0])
	}
}

func TestListWorkflowDocumentsIncludesAuthoritativeDuties(t *testing.T) {
	engine := docgov.NewGovernanceEngine(nil)
	ctx := context.Background()
	const (
		docID      = "doc_proj143_intake"
		authorID   = int64(9)
		reviewerID = int64(2)
		approverID = int64(3)
	)
	if _, err := engine.CreateOrGetDocument(
		ctx, docID, 143, "intake", "用户初始需求收集表", "V0.1", "",
		authorID, "编制人A", reviewerID, "审核人B", approverID, "批准人C",
	); err != nil {
		t.Fatal(err)
	}

	docs, err := engine.ListWorkflowDocumentsByProject(ctx, 143)
	if err != nil {
		t.Fatal(err)
	}
	if len(docs) != 1 {
		t.Fatalf("documents=%d", len(docs))
	}
	got := docs[0]
	if got.AuthorID != authorID || got.AuthorName != "编制人A" {
		t.Fatalf("author not projected: id=%d name=%q", got.AuthorID, got.AuthorName)
	}
	if got.ReviewerID != reviewerID || got.ReviewerName != "审核人B" {
		t.Fatalf("reviewer not projected: id=%d name=%q", got.ReviewerID, got.ReviewerName)
	}
	if got.ApproverID != approverID || got.ApproverName != "批准人C" {
		t.Fatalf("approver not projected: id=%d name=%q", got.ApproverID, got.ApproverName)
	}
	if got.AuthorID == reviewerID {
		t.Fatalf("reviewer B must not become author: %+v", got)
	}
	if got.AuthorID == 99 {
		t.Fatalf("stranger must not become author: %+v", got)
	}
}

func TestListWorkflowDocumentsCollapsesLegacyAlias(t *testing.T) {
	engine := docgov.NewGovernanceEngine(nil)
	ctx := context.Background()
	const projectID = int64(6579)
	seeds := []struct {
		docID   string
		taskKey string
		title   string
	}{
		{"doc_proj6579_intake", "intake", "用户初始需求收集表"},
		{"doc_proj6579_bd_intake", "bd_intake", "用户初始需求收集表"},
		{"doc_proj6579_bd_research", "bd_research", "调研报告"},
	}
	for _, seed := range seeds {
		if _, err := engine.CreateOrGetDocument(
			ctx, seed.docID, projectID, seed.taskKey, seed.title, "V0.1", "",
			398, "陈威", 0, "", 0, "",
		); err != nil {
			t.Fatal(err)
		}
	}
	docs, err := engine.ListWorkflowDocumentsByProject(ctx, projectID)
	if err != nil {
		t.Fatal(err)
	}
	if len(docs) != 2 {
		t.Fatalf("documents=%d, want bd_intake and bd_research only", len(docs))
	}
	for _, doc := range docs {
		if doc.TaskKey == "intake" {
			t.Fatalf("legacy intake row leaked into the list: %+v", doc)
		}
	}
	if docs[0].TaskKey != "bd_intake" || docs[0].DocID != "doc_proj6579_bd_intake" {
		t.Fatalf("first doc=%+v", docs[0])
	}
}