package server

import (
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"os"
	"path/filepath"
	"testing"

	"codex-agent-manager/internal/app"
)

func TestAgentsEndpointReturnsAgentItems(t *testing.T) {
	root := t.TempDir()
	agentsDir := filepath.Join(root, "agents")
	if err := os.MkdirAll(agentsDir, 0o755); err != nil {
		t.Fatal(err)
	}
	content := `name = "代码员"
description = "负责实现"
`
	if err := os.WriteFile(filepath.Join(agentsDir, "coder.toml"), []byte(content), 0o644); err != nil {
		t.Fatal(err)
	}

	req := httptest.NewRequest(http.MethodGet, "/api/agents", nil)
	rec := httptest.NewRecorder()
	New(app.Config{CodexHome: root, HTTPAddr: "127.0.0.1:0"}).ServeHTTP(rec, req)

	if rec.Code != http.StatusOK {
		t.Fatalf("status = %d, body = %s", rec.Code, rec.Body.String())
	}
	var body struct {
		Items []struct {
			ID          string `json:"id"`
			Name        string `json:"name"`
			Description string `json:"description"`
			ParseStatus string `json:"parseStatus"`
		} `json:"items"`
	}
	if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
		t.Fatalf("invalid json: %v", err)
	}
	if len(body.Items) != 1 || body.Items[0].Name != "代码员" || body.Items[0].ParseStatus != "valid" {
		t.Fatalf("unexpected response: %#v", body)
	}
}

func TestAgentsEndpointRejectsUnsupportedMethod(t *testing.T) {
	req := httptest.NewRequest(http.MethodPost, "/api/agents", nil)
	rec := httptest.NewRecorder()
	New(app.Config{CodexHome: t.TempDir(), HTTPAddr: "127.0.0.1:0"}).ServeHTTP(rec, req)

	if rec.Code != http.StatusMethodNotAllowed {
		t.Fatalf("status = %d, want %d", rec.Code, http.StatusMethodNotAllowed)
	}
}