using KubernetesWorkflow;
using Utils;

namespace DistTestCore.Marketplace
{
    public class GethCompanionNodeStarter : BaseStarter
    {
        private int companionAccountIndex = 0;

        public GethCompanionNodeStarter(TestLifecycle lifecycle, WorkflowCreator workflowCreator)
            : base(lifecycle, workflowCreator)
        {
        }

        public GethCompanionNodeInfo StartCompanionNodeFor(CodexSetup codexSetup, MarketplaceNetwork marketplace)
        {
            LogStart($"Initializing companion for {codexSetup.NumberOfNodes} Codex nodes.");

            var config = CreateCompanionNodeStartupConfig(marketplace.Bootstrap, codexSetup.NumberOfNodes);

            var workflow = workflowCreator.CreateWorkflow();
            var containers = workflow.Start(1, Location.Unspecified, new GethContainerRecipe(), CreateStartupConfig(config));
            if (containers.Containers.Length != 1) throw new InvalidOperationException("Expected one Geth companion node to be created. Test infra failure.");
            var container = containers.Containers[0];

            var node = CreateCompanionInfo(container, marketplace, config);
            EnsureCompanionNodeIsSynced(node, marketplace);

            LogEnd($"Initialized one companion node for {codexSetup.NumberOfNodes} Codex nodes. Their accounts: [{string.Join(",", node.Accounts.Select(a => a.Account))}]");
            return node;
        }

        private GethCompanionNodeInfo CreateCompanionInfo(RunningContainer container, MarketplaceNetwork marketplace, GethStartupConfig config)
        {
            var accounts = ExtractAccounts(marketplace, config);
            return new GethCompanionNodeInfo(container, accounts);
        }

        private static GethAccount[] ExtractAccounts(MarketplaceNetwork marketplace, GethStartupConfig config)
        {
            return marketplace.Bootstrap.AllAccounts.Accounts
                .Skip(1 + config.CompanionAccountStartIndex)
                .Take(config.NumberOfCompanionAccounts)
                .ToArray();
        }

        private void EnsureCompanionNodeIsSynced(GethCompanionNodeInfo node, MarketplaceNetwork marketplace)
        {
            try
            {
                Time.WaitUntil(() =>
                {
                    var interaction = node.StartInteraction(lifecycle, node.Accounts.First());
                    return interaction.IsSynced(marketplace.Marketplace.Address, marketplace.Marketplace.Abi);
                }, TimeSpan.FromMinutes(1), TimeSpan.FromSeconds(3));
            }
            catch (Exception e)
            {
                throw new Exception("Geth companion node did not sync within timeout. Test infra failure.", e);
            }
        }

        private GethStartupConfig CreateCompanionNodeStartupConfig(GethBootstrapNodeInfo bootstrapNode, int numberOfAccounts)
        {
            var config = new GethStartupConfig(false, bootstrapNode, companionAccountIndex, numberOfAccounts);
            companionAccountIndex += numberOfAccounts;
            return config;
        }

        private StartupConfig CreateStartupConfig(GethStartupConfig gethConfig)
        {
            var config = new StartupConfig();
            config.Add(gethConfig);
            return config;
        }
    }
}