package inbox

import (
	"os"
	"path/filepath"
	"testing"
)

func TestFailMarksThreadFailed(t *testing.T) {
	t.Parallel()

	dbPath := filepath.Join(t.TempDir(), "coord.db")
	threadID := seedClaimedThreadForInboxTests(t, dbPath, "leader", "worker-b", "worker-b")

	failOut := runInboxCommand(
		t,
		"--db", dbPath,
		"--json",
		"fail",
		"--agent", "worker-b",
		"--thread", threadID,
		"--summary", "Migration failed",
		"--body", "The migration cannot proceed because the prior schema is inconsistent.",
	)

	var failResp map[string]any
	mustDecodeJSON(t, failOut, &failResp)
	if status := nestedString(t, failResp, "data", "thread", "status"); status != "failed" {
		t.Fatalf("expected failed thread status, got %q", status)
	}
	if kind := nestedString(t, failResp, "data", "message", "kind"); kind != "result" {
		t.Fatalf("expected result message kind, got %q", kind)
	}
	if toAgent := nestedString(t, failResp, "data", "message", "to_agent"); toAgent != "leader" {
		t.Fatalf("expected message to_agent leader, got %q", toAgent)
	}
}

func TestFailPersistsFailureBodyAndArtifact(t *testing.T) {
	t.Parallel()

	tempDir := t.TempDir()
	dbPath := filepath.Join(tempDir, "coord.db")
	failurePath := filepath.Join(tempDir, "failure.md")
	body := "Failure details from file."
	if err := os.WriteFile(failurePath, []byte(body), 0o644); err != nil {
		t.Fatalf("write failure file: %v", err)
	}

	threadID := seedClaimedThreadForInboxTests(t, dbPath, "leader", "worker-b", "worker-b")

	runInboxCommand(
		t,
		"--db", dbPath,
		"--json",
		"fail",
		"--agent", "worker-b",
		"--thread", threadID,
		"--summary", "Migration failed",
		"--body-file", failurePath,
		"--artifact", failurePath,
		"--artifact-kind", "report",
	)

	showOut := runInboxCommand(
		t,
		"--db", dbPath,
		"--json",
		"show",
		"--thread", threadID,
	)
	var showResp map[string]any
	mustDecodeJSON(t, showOut, &showResp)
	lastMessage := lastThreadMessageFromShow(t, showResp)

	if gotBody, _ := lastMessage["body"].(string); gotBody != body {
		t.Fatalf("expected body %q, got %#v", body, lastMessage["body"])
	}
	artifacts, ok := lastMessage["artifacts"].([]any)
	if !ok || len(artifacts) != 1 {
		t.Fatalf("expected one artifact, got %#v", lastMessage["artifacts"])
	}
	artifact, ok := artifacts[0].(map[string]any)
	if !ok {
		t.Fatalf("expected artifact object, got %#v", artifacts[0])
	}
	if gotPath, _ := artifact["path"].(string); gotPath != failurePath {
		t.Fatalf("expected artifact path %q, got %#v", failurePath, artifact["path"])
	}
	if gotKind, _ := artifact["kind"].(string); gotKind != "report" {
		t.Fatalf("expected artifact kind report, got %#v", artifact["kind"])
	}
}

func TestFailRejectsNonOwner(t *testing.T) {
	t.Parallel()

	dbPath := filepath.Join(t.TempDir(), "coord.db")
	threadID := seedClaimedThreadForInboxTests(t, dbPath, "leader", "worker-b", "worker-b")

	stdout, _, exitCode := executeInboxCommand(
		"--db", dbPath,
		"--json",
		"fail",
		"--agent", "worker-x",
		"--thread", threadID,
		"--summary", "Migration failed",
	)
	if exitCode != 20 {
		t.Fatalf("expected exit code 20, got %d with output %s", exitCode, stdout)
	}
	assertErrorJSON(t, stdout, "lease_conflict")
}

func TestFailRejectsOnTerminalThread(t *testing.T) {
	t.Parallel()

	dbPath := filepath.Join(t.TempDir(), "coord.db")
	threadID := seedClaimedThreadForInboxTests(t, dbPath, "leader", "worker-b", "worker-b")

	runInboxCommand(
		t,
		"--db", dbPath,
		"--json",
		"fail",
		"--agent", "worker-b",
		"--thread", threadID,
		"--summary", "Migration failed",
	)

	stdout, _, exitCode := executeInboxCommand(
		"--db", dbPath,
		"--json",
		"fail",
		"--agent", "worker-b",
		"--thread", threadID,
		"--summary", "Migration failed",
	)
	if exitCode != 30 {
		t.Fatalf("expected exit code 30, got %d with output %s", exitCode, stdout)
	}
	assertErrorJSON(t, stdout, "invalid_state")
}