#include <QJsonObject>
#include <QJsonArray>
#include "RouteEntity.h"
#include "db/Database.hpp"

namespace NekoGui {
    QJsonArray get_as_array(const QList<QString>& str, bool castToNum = false) {
        QJsonArray res;
        for (const auto &item: str) {
            if (castToNum) res.append(item.toInt());
            else res.append(item);
        }
        return res;
    }

    QJsonObject RouteRule::get_rule_json() const {
        QJsonObject obj;

        if (ip_version != "") obj["ip_version"] = ip_version.toInt();
        if (network != "") obj["network"] = network;
        if (protocol != "") obj["protocol"] = protocol;
        if (!domain.empty()) obj["domain"] = get_as_array(domain);
        if (!domain_suffix.empty()) obj["domain_suffix"] = get_as_array(domain_suffix);
        if (!domain_keyword.empty()) obj["domain_keyword"] = get_as_array(domain_keyword);
        if (!domain_regex.empty()) obj["domain_regex"] = get_as_array(domain_regex);
        if (!source_ip_cidr.empty()) obj["source_ip_cidr"] = get_as_array(source_ip_cidr);
        if (source_ip_is_private != nullptr) obj["source_ip_is_private"] = *source_ip_is_private;
        if (!ip_cidr.empty()) obj["ip_cidr"] = get_as_array(ip_cidr);
        if (ip_is_private != nullptr) obj["ip_is_private"] = *ip_is_private;
        if (!source_port.empty()) obj["source_port"] = get_as_array(source_port, true);
        if (!source_port_range.empty()) obj["source_port_range"] = get_as_array(source_port_range);
        if (!port.empty()) obj["port"] = get_as_array(port, true);
        if (!port_range.empty()) obj["port_range"] = get_as_array(port_range);
        if (!process_name.empty()) obj["process_name"] = get_as_array(process_name);
        if (!process_path.empty()) obj["process_path"] = get_as_array(process_path);
        if (!rule_set.empty()) obj["rule_set"] = get_as_array(rule_set);
        if (invert) obj["invert"] = invert;

        switch (outboundID) { // TODO use constants
            case -2:
                obj["outbound"] = "direct";
            case -3:
                obj["outbound"] = "block";
            case -4:
                obj["outbound"] = "dns_out";
            default:
                auto prof = NekoGui::profileManager->GetProfile(outboundID);
                if (prof == nullptr) {
                    MW_show_log("The outbound described in the rule chain is missing, maybe your data is corrupted");
                    return {};
                }
                obj["outbound"] = prof->bean->DisplayName();
        }

        return obj;
    }


    // TODO use constant for field names
    QStringList RouteRule::get_attributes() {
        return {
                "ip_version",
                "network",
                "protocol",
                "domain",
                "domain_suffix",
                "domain_keyword",
                "domain_regex",
                "source_ip_cidr",
                "source_ip_is_private",
                "ip_cidr",
                "ip_is_private",
                "source_port",
                "source_port_range",
                "port",
                "port_range",
                "process_name",
                "process_path",
                "rule_set",
                "invert",
        };
    }

    inputType RouteRule::get_input_type(const QString& fieldName) {
        if (fieldName == "invert" ||
            fieldName == "source_ip_is_private" ||
            fieldName == "ip_is_private") return trufalse;

        if (fieldName == "ip_version" ||
            fieldName == "network" ||
            fieldName == "protocol") return select;

        return text;
    }

    QStringList RouteRule::get_values_for_field(const QString& fieldName) {
        if (fieldName == "ip_version") {
            return {"4", "6"};
        }
        if (fieldName == "network") {
            return {"tcp", "udp"};
        }
        if (fieldName == "protocol") {
            return {"http", "tls", "quic", "stun", "dns", "bittorrent"};
        }
        return {};
    }

    QStringList RouteRule::get_current_value_string(const QString& fieldName) {
        if (fieldName == "ip_version" && ip_version != "") {
            return {ip_version};
        }
        if (fieldName == "network" && network != "") {
            return {network};
        }
        if (fieldName == "protocol" && protocol != "") {
            return {protocol};
        }
        if (fieldName == "domain") return domain;
        if (fieldName == "domain_suffix") return domain_suffix;
        if (fieldName == "domain_keyword") return domain_keyword;
        if (fieldName == "domain_regex") return domain_regex;
        if (fieldName == "source_ip_cidr") return source_ip_cidr;
        if (fieldName == "ip_cidr") return ip_cidr;
        if (fieldName == "source_port") return source_port;
        if (fieldName == "source_port_range") return source_port_range;
        if (fieldName == "port") return port;
        if (fieldName == "port_range") return port_range;
        if (fieldName == "process_name") return process_name;
        if (fieldName == "process_path") return process_path;
        if (fieldName == "rule_set") return rule_set;
        return {};
    }

    bool* RouteRule::get_current_value_bool(const QString& fieldName) const {
        if (fieldName == "source_ip_is_private") {
            return source_ip_is_private;
        }
        if (fieldName == "ip_is_private") {
            return ip_is_private;
        }
        if (fieldName == "invert") {
            return reinterpret_cast<bool*>(invert);
        }
        return nullptr;
    }

    void RouteRule::set_field_value(const QString& fieldName, const QStringList& value) {
        /*
         * "ip_version",
"network",
"protocol",
"domain",
"domain_suffix",
"domain_keyword",
"domain_regex",
"source_ip_cidr",
"source_ip_is_private",
"ip_cidr",
"ip_is_private",
"source_port",
"source_port_range",
"port",
"port_range",
"process_name",
"process_path",
"rule_set",
"invert",
         */
        if (fieldName == "ip_version") {
            ip_version = value[0];
        }
        if (fieldName == "network") {
            network = value[0];
        }
        if (fieldName == "protocol") {
            protocol = value[0];
        }
        if (fieldName == "domain") {
            domain = value;
        }
        if (fieldName == "domain_suffix") {
            domain_suffix = value;
        }
        if (fieldName == "domain_keyword") {
            domain_keyword = value;
        }
        if (fieldName == "domain_regex") {
            domain_regex = value;
        }
        if (fieldName == "source_ip_cidr") {
            source_ip_cidr = value;
        }
        if (fieldName == "source_ip_is_private") {
            source_ip_is_private = reinterpret_cast<bool*>((value[0] == "true"));
        }
        if (fieldName == "ip_cidr") {
            ip_cidr = value;
        }
        if (fieldName == "ip_is_private") {
            ip_is_private = reinterpret_cast<bool*>((value[0] == "true"));
        }
        if (fieldName == "source_port") {
            source_port = value;
        }
        if (fieldName == "source_port_range") {
            source_port_range = value;
        }
        if (fieldName == "port") {
            port = value;
        }
        if (fieldName == "port_range") {
            port_range = value;
        }
        if (fieldName == "process_name") {
            process_name = value;
        }
        if (fieldName == "process_path") {
            process_path = value;
        }
        if (fieldName == "rule_set") {
            rule_set = value;
        }
        if (fieldName == "invert") {
            invert = value[0]=="true";
        }
    }

    QJsonArray RoutingChain::get_route_rules() {
        QJsonArray res;
        for (const auto &item: Rules) {
            auto rule_json = item->get_rule_json();
            if (rule_json.empty()) {
                MW_show_log("Aborted generating routing section, an error has occurred");
                return {};
            }
            res += rule_json;
        }

        return res;
    }

    std::shared_ptr<RoutingChain> RoutingChain::GetDefaultChain() {
        auto defaultChain = RoutingChain();
        defaultChain.name = "Default";
        auto defaultRule = RouteRule();
        defaultRule.protocol = {"dns"};
        defaultRule.outboundID = -4;
        defaultChain.Rules << std::make_shared<RouteRule>(defaultRule);
        return std::make_shared<RoutingChain>(defaultChain);
    }
}