#include "ProcessTaskImageAnalyzer.h"

#include <regex>

#include "AsstUtils.hpp"
#include "Logger.hpp"
#include "MatchImageAnalyzer.h"
#include "OcrImageAnalyzer.h"
#include "Resource.h"

asst::ProcessTaskImageAnalyzer::ProcessTaskImageAnalyzer(const cv::Mat image, std::vector<std::string> tasks_name)
    : AbstractImageAnalyzer(image),
    m_tasks_name(std::move(tasks_name))
{
    ;
}

asst::ProcessTaskImageAnalyzer::~ProcessTaskImageAnalyzer() = default;

bool asst::ProcessTaskImageAnalyzer::match_analyze(std::shared_ptr<TaskInfo> task_ptr)
{
    if (!m_match_analyzer) {
        m_match_analyzer = std::make_unique<MatchImageAnalyzer>(m_image);
    }
    const auto match_task_ptr = std::dynamic_pointer_cast<MatchTaskInfo>(task_ptr);
    m_match_analyzer->set_task_info(match_task_ptr);

    if (m_match_analyzer->analyze()) {
        m_result = match_task_ptr;
        m_result_rect = m_match_analyzer->get_result().rect;
        task_ptr->region_of_appeared = m_result_rect;
        return true;
    }
    return false;
}

bool asst::ProcessTaskImageAnalyzer::ocr_analyze(std::shared_ptr<TaskInfo> task_ptr)
{
    std::shared_ptr<OcrTaskInfo> ocr_task_ptr = std::dynamic_pointer_cast<OcrTaskInfo>(task_ptr);

    // 先尝试从缓存的结果里找
    //for (const TextRect& tr : m_ocr_cache) {
    //    TextRect temp = tr;
    //    for (const auto& [regex, new_str] : ocr_task_ptr->replace_map) {
    //        temp.text = std::regex_replace(temp.text, std::regex(regex), new_str);
    //    }
    //    for (const auto& text : ocr_task_ptr->text) {
    //        bool flag = false;
    //        if (ocr_task_ptr->need_full_match) {
    //            if (temp.text == text) {
    //                flag = true;
    //            }
    //        }
    //        else if (temp.text.find(text) != std::string::npos) {
    //            flag = true;
    //        }
    //        // 即使找到了，也得在ROI里才行，不然过滤掉
    //        if (flag && ocr_task_ptr->roi.include(tr.rect)) {
    //            m_result = ocr_task_ptr;
    //            m_result_rect = tr.rect;
    //            ocr_task_ptr->region_of_appeared = m_result_rect;
    //            Log.trace("ProcessTaskImageAnalyzer::ocr_analyze | found in cache", tr.to_string());
    //            return true;
    //        }
    //    }
    //}
    if (!m_ocr_analyzer) {
        m_ocr_analyzer = std::make_unique<OcrImageAnalyzer>(m_image);
    }
    m_ocr_analyzer->set_task_info(ocr_task_ptr);

    bool ret = m_ocr_analyzer->analyze();

    if (ret) {
        m_ocr_analyzer->sort_result_by_required();
        const auto& ocr_result = m_ocr_analyzer->get_result();
        auto& res = ocr_result.front();
        m_result = ocr_task_ptr;
        m_result_rect = res.rect;
        ocr_task_ptr->region_of_appeared = res.rect;
        //m_ocr_cache.insert(m_ocr_cache.end(), ocr_result.begin(), ocr_result.end());
        Log.trace("ProcessTaskImageAnalyzer::ocr_analyze | found", res.to_string());
    }
    return ret;
}

void asst::ProcessTaskImageAnalyzer::reset() noexcept
{
    //m_ocr_cache.clear();
    m_ocr_analyzer = nullptr;
    m_match_analyzer = nullptr;
}

bool asst::ProcessTaskImageAnalyzer::analyze()
{
    m_result = nullptr;
    m_result_rect = Rect();

    for (const std::string& task_name : m_tasks_name) {
        auto task_ptr = Task.get(task_name);

        switch (task_ptr->algorithm) {
        case AlgorithmType::JustReturn:
            m_result = task_ptr;
            return true;
        case AlgorithmType::MatchTemplate:
            if (match_analyze(task_ptr)) {
                return true;
            }
            break;
        case AlgorithmType::OcrDetect:
            if (ocr_analyze(task_ptr)) {
                return true;
            }
            break;
        default:
            break;
        }
    }
    return false;
}

void asst::ProcessTaskImageAnalyzer::set_image(const cv::Mat image)
{
    AbstractImageAnalyzer::set_image(image);
    reset();
}