src/heatmap.h

/* Copyright 2025 Mike Becker. All rights reserved.
*
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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 */

#ifndef HEATMAP_H
#define HEATMAP_H

#include <map>
#include <array>
#include <string>
#include <chrono>

#include "settings.h"
#include "commit-data.h"

namespace fm {

class heatmap {
    // to have nice sorted output later, we use ordered maps here
    std::map<
        std::string, // repository
        std::map<
            std::string, // author
            std::map<
                std::chrono::year_month_day, // date
                commits
    >>> m_heatmap;
    std::string m_current_repo;
    bool m_separate;
public:
    explicit heatmap(bool separate) noexcept : m_separate(separate) {}

    void set_repo(const std::string& repo) {
        m_current_repo.assign(repo);
    }
    void add(const settings &settings, const std::string& log);

    [[nodiscard]] const auto& data() const {
        return m_heatmap;
    }

    [[nodiscard]] std::array<unsigned int, 12> commits_per_month(
        const std::string &repo,
        const std::string& author,
        std::chrono::year year
    ) const;
};

}

#endif //HEATMAP_H