package plugins

import (
	"os"
	"path/filepath"
	"strings"
	"testing"
	"time"

	core "git-ssh.u1680832.nyat.app/weichen/Agent-System-Core.git"
)

func TestV2AssetsAndNetwork(t *testing.T) {
	host, _, dir := newHost(t)
	skills := filepath.Join(t.TempDir(), "skills")
	host.SetSkillsRoot(skills)
	root := filepath.Join(dir, "v2")
	for _, sub := range []string{"skills", "mcp", "knowledge", "parsers", "agents", "channels", "pages", "tools"} {
		if err := os.MkdirAll(filepath.Join(root, sub), 0o755); err != nil {
			t.Fatal(err)
		}
	}
	write := func(rel, body string) {
		t.Helper()
		if err := os.WriteFile(filepath.Join(root, rel), []byte(body), 0o644); err != nil {
			t.Fatal(err)
		}
	}
	write("plugin.json", `{
		"id":"v2","name":"V2","version":"0.1.0","apiVersion":"`+core.PluginAPIVersionExperimental+`",
		"requires":{"network":["api.example.com"]},
		"scope":{"tenants":["acme"]},
		"backend":{"schemaVersion":1},
		"provides":{"tools":["echo"],"skills":["note"],"mcpServers":["local"],"knowledge":["regs"],"parsers":["pdf"],"agents":["writer"],"channels":["feishu"],"pages":["home"]}
	}`)
	write("tools/echo.json", `{"name":"v2_echo","description":"e","parameters":{"type":"object"},"http":{"method":"GET","url":"https://api.example.com/x"}}`)
	write("skills/note.md", "---\nname: note\ndescription: 笔记技能\n---\n\n# note\n")
	write("mcp/local.json", `{"name":"local","command":"echo"}`)
	write("knowledge/regs.json", `{"id":"regs","title":"法规"}`)
	write("parsers/pdf.json", `{"id":"pdf","title":"PDF","mime":"application/pdf"}`)
	write("agents/writer.json", `{"id":"writer","title":"写作"}`)
	write("channels/feishu.json", `{"id":"feishu","kind":"feishu","title":"飞书"}`)
	write("pages/home.json", `{"id":"home","title":"首页","module":"./page.mjs"}`)

	if err := host.LoadDir()["v2"]; err != nil {
		t.Fatal(err)
	}
	ld := host.List()[0]
	if ld.Skills["note"] == "" || len(ld.MCP) != 1 || len(ld.Pages) != 1 || len(ld.Channels) != 1 {
		t.Fatalf("assets: %+v", ld)
	}
	if _, err := os.Stat(filepath.Join(skills, "plugin-v2", "note", "SKILL.md")); err != nil {
		t.Fatal(err)
	}
	if got := host.ListFor("other", ""); len(got) != 0 {
		t.Fatalf("scope leak: %d", len(got))
	}
	if got := host.ListFor("acme", ""); len(got) != 1 {
		t.Fatalf("scope miss: %d", len(got))
	}
	if err := host.st.SetPluginEnabled("acme", "v2", false); err != nil {
		t.Fatal(err)
	}
	if got := host.ListFor("acme", ""); len(got) != 0 {
		t.Fatal("grant should hide plugin")
	}
}

func TestExperimentalNetworkDeny(t *testing.T) {
	host, _, dir := newHost(t)
	root := filepath.Join(dir, "open")
	os.MkdirAll(filepath.Join(root, "tools"), 0o755)
	os.WriteFile(filepath.Join(root, "plugin.json"), []byte(`{"id":"open","name":"O","version":"0.1.0","apiVersion":"`+core.PluginAPIVersionExperimental+`","provides":{"tools":["e"]}}`), 0o644)
	os.WriteFile(filepath.Join(root, "tools", "e.json"), []byte(`{"name":"open_e","description":"e","parameters":{"type":"object"},"http":{"method":"GET","url":"https://example.com"}}`), 0o644)
	if err := host.LoadDir()["open"]; err == nil {
		t.Fatal("v2 without network allowlist must fail closed")
	}
}

func TestSidecarTouch(t *testing.T) {
	host, _, dir := newHost(t)
	host.SetHostAPI("http://127.0.0.1:1", "tok")
	root := filepath.Join(dir, "side")
	os.MkdirAll(root, 0o755)
	mark := filepath.Join(t.TempDir(), "up")
	os.WriteFile(filepath.Join(root, "plugin.json"), []byte(`{"id":"side","name":"S","version":"0.1.0","apiVersion":"1.0","backend":{"mode":"sidecar","command":"/bin/touch","args":["`+mark+`"],"schemaVersion":1},"provides":{}}`), 0o644)
	if err := host.LoadDir()["side"]; err != nil {
		t.Fatal(err)
	}
	deadline := time.Now().Add(2 * time.Second)
	for time.Now().Before(deadline) {
		if _, err := os.Stat(mark); err == nil {
			return
		}
		time.Sleep(20 * time.Millisecond)
	}
	t.Fatal("sidecar did not run")
}

// N2 WP4：不合规插件技能整批拒载，错误带插件上下文与字段定位。
func TestV2InvalidSkillRejected(t *testing.T) {
	host, _, dir := newHost(t)
	root := filepath.Join(dir, "badskill")
	if err := os.MkdirAll(filepath.Join(root, "skills"), 0o755); err != nil {
		t.Fatal(err)
	}
	write := func(rel, body string) {
		t.Helper()
		if err := os.WriteFile(filepath.Join(root, rel), []byte(body), 0o644); err != nil {
			t.Fatal(err)
		}
	}
	write("plugin.json", `{
		"id":"badskill","name":"Bad","version":"0.1.0","apiVersion":"`+core.PluginAPIVersionExperimental+`",
		"backend":{"schemaVersion":1},
		"provides":{"skills":["note"]}
	}`)
	// 缺 name（开放规范必填）。
	write("skills/note.md", "---\ndescription: 没有名字\n---\n正文\n")
	err := host.LoadDir()["badskill"]
	if err == nil {
		t.Fatal("不合规技能必须拒载")
	}
	if !strings.Contains(err.Error(), "plugins: badskill: skill note:") ||
		!strings.Contains(err.Error(), "name") {
		t.Fatalf("错误须带插件上下文与字段定位：%v", err)
	}
}