#include "binary_package_publishing_history.h"
#include "launchpad.h"
#include <iostream>
#include <map>
#include <functional>
#include <nlohmann/json.hpp>

binary_package_publishing_history::binary_package_publishing_history()
    : architecture_specific(false),
      is_debug(false),
      phased_update_percentage(-1),
      lp(nullptr) {}

binary_package_publishing_history::~binary_package_publishing_history() {}

std::optional<binary_package_publishing_history> binary_package_publishing_history::parse(const std::string& json_data) {
    binary_package_publishing_history b;
    b.parse_json(json_data);
    return b;
}

void binary_package_publishing_history::parse_json(const std::string& json_data) {
    if (json_data.empty()) {
        std::cerr << "Error: Empty JSON data for binary_package_publishing_history::parse_json." << std::endl;
        return;
    }

    try {
        auto data = nlohmann::json::parse(json_data);

        std::map<std::string, std::function<void(const nlohmann::json&)>> fields = {
            {"architecture_specific", [this](const nlohmann::json& val) { architecture_specific = val.get<bool>(); }},
            {"archive_link", [this](const nlohmann::json& val) { archive_link = val.get<std::string>(); }},
            {"binary_package_name", [this](const nlohmann::json& val) { binary_package_name = val.get<std::string>(); }},
            {"binary_package_version", [this](const nlohmann::json& val) { binary_package_version = val.get<std::string>(); }},
            {"build_link", [this](const nlohmann::json& val) { build_link = val.get<std::string>(); }},
            {"component_name", [this](const nlohmann::json& val) { component_name = val.get<std::string>(); }},
            {"copied_from_archive_link", [this](const nlohmann::json& val) { copied_from_archive_link = val.get<std::string>(); }},
            {"creator_link", [this](const nlohmann::json& val) { creator_link = val.get<std::string>(); }},
            {"date_created", [this](const nlohmann::json& val) { date_created = val.get<std::string>(); }},
            {"date_made_pending", [this](const nlohmann::json& val) { date_made_pending = val.get<std::string>(); }},
            {"date_published", [this](const nlohmann::json& val) { date_published = val.get<std::string>(); }},
            {"date_removed", [this](const nlohmann::json& val) { date_removed = val.get<std::string>(); }},
            {"date_superseded", [this](const nlohmann::json& val) { date_superseded = val.get<std::string>(); }},
            {"display_name", [this](const nlohmann::json& val) { display_name = val.get<std::string>(); }},
            {"distro_arch_series_link", [this](const nlohmann::json& val) { distro_arch_series_link = val.get<std::string>(); }},
            {"http_etag", [this](const nlohmann::json& val) { http_etag = val.get<std::string>(); }},
            {"is_debug", [this](const nlohmann::json& val) { is_debug = val.get<bool>(); }},
            {"phased_update_percentage", [this](const nlohmann::json& val) {
                 if (!val.is_null()) phased_update_percentage = val.get<int>();
                 else phased_update_percentage = -1; 
            }},
            {"pocket", [this](const nlohmann::json& val) { pocket = val.get<std::string>(); }},
            {"priority_name", [this](const nlohmann::json& val) { priority_name = val.get<std::string>(); }},
            {"removal_comment", [this](const nlohmann::json& val) { removal_comment = val.get<std::string>(); }},
            {"removed_by_link", [this](const nlohmann::json& val) { removed_by_link = val.get<std::string>(); }},
            {"resource_type_link", [this](const nlohmann::json& val) { resource_type_link = val.get<std::string>(); }},
            {"scheduled_deletion_date", [this](const nlohmann::json& val) { scheduled_deletion_date = val.get<std::string>(); }},
            {"section_name", [this](const nlohmann::json& val) { section_name = val.get<std::string>(); }},
            {"self_link", [this](const nlohmann::json& val) { self_link = val.get<std::string>(); }},
            {"source_package_name", [this](const nlohmann::json& val) { source_package_name = val.get<std::string>(); }},
            {"source_package_version", [this](const nlohmann::json& val) { source_package_version = val.get<std::string>(); }},
            {"status", [this](const nlohmann::json& val) { status = val.get<std::string>(); }}
        };

        for (auto& [key, value] : data.items()) {
            try {
                if (fields.find(key) != fields.end()) {
                    fields[key](value);
                    fields.erase(key);
                }
            } catch (...) {
                continue;
            }
        }
    } catch (const nlohmann::json::parse_error& e) {
        std::cerr << "JSON parse error in binary_package_publishing_history::parse_json: " << e.what() << std::endl;
    } catch (const std::exception& e) {
        std::cerr << "Unexpected error during JSON parsing: " << e.what() << std::endl;
    }
}

void binary_package_publishing_history::set_lp(launchpad* lp_ptr) {
    lp = lp_ptr;
}

std::optional<binary_package_publishing_history> binary_package_publishing_history::get() const {
    if(self_link.empty()) return std::nullopt;
    auto resp=lp->api_get(self_link);
    if(!resp)return std::nullopt;
    return parse(resp.value());
}

bool binary_package_publishing_history::patch(const nlohmann::json& data) const {
    if(self_link.empty())return false;
    auto resp=lp->api_patch(self_link,data);
    return resp.has_value();
}

bool binary_package_publishing_history::put(const nlohmann::json& data) const {
    if(self_link.empty())return false;
    // For PUT, we emulate with POST & ws.op=replace or something similar, but doc says PUT should contain the full representation.
    // We'll try POST with build_endpoint=false and full JSON. Actually we have no direct method for PUT in code. We'll just do a POST with `?ws.op=replace`.
    std::string endpoint=self_link; 
    endpoint+="?ws.op=replace";
    auto resp=lp->api_patch(endpoint,data);
    return resp.has_value();
}

std::optional<nlohmann::json> binary_package_publishing_history::binaryFileUrls(bool include_meta) const {
    if(self_link.empty())return std::nullopt;
    std::map<std::string,std::string>params;
    params["ws.op"]="binaryFileUrls";
    if(include_meta)params["include_meta"]="true";
    auto resp=lp->api_get(self_link,params);
    if(!resp)return std::nullopt;
    return nlohmann::json::parse(resp.value());
}

std::optional<nlohmann::json> binary_package_publishing_history::getDailyDownloadTotals(const std::string& start_date, const std::string& end_date) const {
    if(self_link.empty())return std::nullopt;
    std::map<std::string,std::string>params;
    params["ws.op"]="getDailyDownloadTotals";
    if(!start_date.empty())params["start_date"]=start_date;
    if(!end_date.empty())params["end_date"]=end_date;
    auto resp=lp->api_get(self_link,params);
    if(!resp)return std::nullopt;
    return nlohmann::json::parse(resp.value());
}

std::optional<int> binary_package_publishing_history::getDownloadCount() const {
    if(self_link.empty())return std::nullopt;
    std::map<std::string,std::string>params;
    params["ws.op"]="getDownloadCount";
    auto resp=lp->api_get(self_link,params);
    if(!resp)return std::nullopt;
    auto j=nlohmann::json::parse(resp.value());
    if(j.is_number())return j.get<int>();
    return std::nullopt;
}

std::optional<nlohmann::json> binary_package_publishing_history::getDownloadCounts(const std::string& start_date, const std::string& end_date) const {
    if(self_link.empty())return std::nullopt;
    std::map<std::string,std::string>params;
    params["ws.op"]="getDownloadCounts";
    if(!start_date.empty())params["start_date"]=start_date;
    if(!end_date.empty())params["end_date"]=end_date;
    auto resp=lp->api_get(self_link,params);
    if(!resp)return std::nullopt;
    return nlohmann::json::parse(resp.value());
}

std::optional<binary_package_publishing_history> binary_package_publishing_history::changeOverride(const std::optional<std::string>& new_component,
                                                                                                   const std::optional<int>& new_phased_update_percentage,
                                                                                                   const std::optional<std::string>& new_priority,
                                                                                                   const std::optional<std::string>& new_section) const {
    if(self_link.empty())return std::nullopt;
    std::map<std::string,std::string>params;
    params["ws.op"]="changeOverride";
    if(new_component.has_value()) params["new_component"]=new_component.value();
    if(new_phased_update_percentage.has_value()) params["new_phased_update_percentage"]=std::to_string(new_phased_update_percentage.value());
    if(new_priority.has_value()) params["new_priority"]=new_priority.value();
    if(new_section.has_value()) params["new_section"]=new_section.value();
    auto resp=lp->api_post(self_link,params);
    if(!resp)return std::nullopt;
    auto obj=parse(resp.value());
    if(obj)obj->set_lp(lp);
    return obj;
}

bool binary_package_publishing_history::requestDeletion(const std::optional<std::string>& removal_comment) const {
    if(self_link.empty())return false;
    std::map<std::string,std::string>params;
    params["ws.op"]="requestDeletion";
    if(removal_comment.has_value())params["removal_comment"]=removal_comment.value();
    auto resp=lp->api_post(self_link,params);
    return resp.has_value();
}