package repository

import (
	"testing"

	"ezops/model"

	"github.com/glebarez/sqlite"
	"gorm.io/gorm"
)

// TestServerRepositoryListHostnameOrder 验证实际服务器仓储按主机名分页排序。 // Logan.Li
func TestServerRepositoryListHostnameOrder(t *testing.T) {
	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
	if err != nil {
		t.Fatalf("打开测试数据库失败: %v", err)
	}
	if err := db.AutoMigrate(&model.Server{}, &model.Region{}, &model.Cloud{}); err != nil {
		t.Fatalf("迁移测试表失败: %v", err)
	}
	for _, hostname := range []string{"test-win", "c-windows", "alpha-host"} {
		if err := db.Create(&model.Server{Hostname: hostname, IP: "127.0.0.1"}).Error; err != nil {
			t.Fatalf("创建测试服务器失败: %v", err)
		}
	}

	repo := NewServerRepository(db)
	servers, total, err := repo.List("", "", "", "hostname", "asc", 1, 10)
	if err != nil {
		t.Fatalf("查询测试服务器失败: %v", err)
	}
	if total != 3 || len(servers) != 3 {
		t.Fatalf("服务器数量异常 total=%d len=%d", total, len(servers))
	}
	if servers[0].Hostname != "alpha-host" || servers[2].Hostname != "test-win" {
		t.Fatalf("主机名升序结果异常: %q, %q, %q", servers[0].Hostname, servers[1].Hostname, servers[2].Hostname)
	}
}

// TestServerOrderClause 验证非法排序参数无法进入 SQL 表达式。 // Logan.Li
func TestServerOrderClause(t *testing.T) {
	tests := []struct {
		sortField string
		sortOrder string
		want      string
	}{
		{want: "created_at DESC"},
		{sortField: "hostname", sortOrder: "asc", want: "LOWER(hostname) ASC, id ASC"},
		{sortField: "hostname", sortOrder: "desc", want: "LOWER(hostname) DESC, id DESC"},
		{sortField: "hostname; DROP TABLE asset_servers", sortOrder: "asc", want: "created_at DESC"},
	}
	for _, tt := range tests {
		if got := serverOrderClause(tt.sortField, tt.sortOrder); got != tt.want {
			t.Fatalf("serverOrderClause(%q, %q) = %q, want %q", tt.sortField, tt.sortOrder, got, tt.want)
		}
	}
}