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#pragma once

#define CONFIG_MANAGER_H

#include <map>
#include "../debug/Log.hpp"
#include <unordered_map>
#include "../defines.hpp"
#include <vector>
#include <deque>
#include <algorithm>
#include <regex>
#include <optional>
#include <functional>
#include <xf86drmMode.h>
#include "../Window.hpp"
#include "../helpers/WLClasses.hpp"
#include "../helpers/Monitor.hpp"
#include "../helpers/VarList.hpp"

#include "defaultConfig.hpp"
#include "ConfigDataValues.hpp"

#define INITANIMCFG(name)           animationConfig[name] = {}
#define CREATEANIMCFG(name, parent) animationConfig[name] = {false, "", "", 0.f, -1, &animationConfig["global"], &animationConfig[parent]}

#define HANDLE void*

struct SConfigValue {
    int64_t                                 intValue   = -INT64_MAX;
    float                                   floatValue = -__FLT_MAX__;
    std::string                             strValue   = "";
    Vector2D                                vecValue   = Vector2D(-__FLT_MAX__, -__FLT_MAX__);
    std::shared_ptr<ICustomConfigValueData> data;

    bool                                    set = false; // used for device configs
};

struct SWorkspaceRule {
    std::string                     monitor         = "";
    std::string                     workspaceString = "";
    std::string                     workspaceName   = "";
    int                             workspaceId     = -1;
    bool                            isDefault       = false;
    bool                            isPersistent    = false;
    std::optional<int64_t>          gapsIn;
    std::optional<int64_t>          gapsOut;
    std::optional<int64_t>          borderSize;
    std::optional<int>              border;
    std::optional<int>              rounding;
    std::optional<int>              decorate;
    std::optional<int>              shadow;
    std::optional<std::string>      onCreatedEmptyRunCmd;
    std::map<std::string, std::any> layoutopts;
};

struct SMonitorAdditionalReservedArea {
    int top    = 0;
    int bottom = 0;
    int left   = 0;
    int right  = 0;
};

struct SAnimationPropertyConfig {
    bool                      overridden = true;

    std::string               internalBezier  = "";
    std::string               internalStyle   = "";
    float                     internalSpeed   = 0.f;
    int                       internalEnabled = -1;

    SAnimationPropertyConfig* pValues          = nullptr;
    SAnimationPropertyConfig* pParentAnimation = nullptr;
};

struct SPluginKeyword {
    HANDLE                                                      handle = 0;
    std::string                                                 name   = "";
    std::function<void(const std::string&, const std::string&)> fn;
};

struct SExecRequestedRule {
    std::string szRule = "";
    uint64_t    iPid   = 0;
};

class CConfigManager {
  public:
    CConfigManager();

    void                                                            tick();
    void                                                            init();

    int                                                             getInt(const std::string&);
    float                                                           getFloat(const std::string&);
    Vector2D                                                        getVec(const std::string&);
    std::string                                                     getString(const std::string&);
    void                                                            setFloat(const std::string&, float);
    void                                                            setInt(const std::string&, int);
    void                                                            setVec(const std::string&, Vector2D);
    void                                                            setString(const std::string&, const std::string&);

    int                                                             getDeviceInt(const std::string&, const std::string&, const std::string& fallback = "");
    float                                                           getDeviceFloat(const std::string&, const std::string&, const std::string& fallback = "");
    Vector2D                                                        getDeviceVec(const std::string&, const std::string&, const std::string& fallback = "");
    std::string                                                     getDeviceString(const std::string&, const std::string&, const std::string& fallback = "");
    bool                                                            deviceConfigExists(const std::string&);
    bool                                                            shouldBlurLS(const std::string&);

    SConfigValue*                                                   getConfigValuePtr(const std::string&);
    SConfigValue*                                                   getConfigValuePtrSafe(const std::string&);
    static std::string                                              getConfigDir();
    static std::string                                              getMainConfigPath();

    SMonitorRule                                                    getMonitorRuleFor(const std::string&, const std::string& displayName = "");
    SWorkspaceRule                                                  getWorkspaceRuleFor(CWorkspace*);
    std::string                                                     getDefaultWorkspaceFor(const std::string&);

    CMonitor*                                                       getBoundMonitorForWS(const std::string&);
    std::string                                                     getBoundMonitorStringForWS(const std::string&);
    const std::deque<SWorkspaceRule>&                               getAllWorkspaceRules();

    std::vector<SWindowRule>                                        getMatchingRules(CWindow*);
    std::vector<SLayerRule>                                         getMatchingRules(SLayerSurface*);

    std::unordered_map<std::string, SMonitorAdditionalReservedArea> m_mAdditionalReservedAreas;

    std::unordered_map<std::string, SAnimationPropertyConfig>       getAnimationConfig();

    void                                                            addPluginConfigVar(HANDLE handle, const std::string& name, const SConfigValue& value);
    void addPluginKeyword(HANDLE handle, const std::string& name, std::function<void(const std::string& cmd, const std::string& val)> fun);
    void removePluginConfig(HANDLE handle);

    // no-op when done.
    void                      dispatchExecOnce();

    void                      performMonitorReload();
    bool                      m_bWantsMonitorReload = false;
    bool                      m_bForceReload        = false;
    bool                      m_bNoMonitorReload    = false;
    void                      ensureMonitorStatus();
    void                      ensureVRR(CMonitor* pMonitor = nullptr);

    std::string               parseKeyword(const std::string&, const std::string&, bool dynamic = false);

    void                      addParseError(const std::string&);

    SAnimationPropertyConfig* getAnimationPropertyConfig(const std::string&);

    void                      addExecRule(const SExecRequestedRule&);

    void                      handlePluginLoads();

    std::string               configCurrentPath;

  private:
    std::deque<std::string>                                                                    configPaths;       // stores all the config paths
    std::unordered_map<std::string, time_t>                                                    configModifyTimes; // stores modify times
    std::vector<std::pair<std::string, std::string>>                                           configDynamicVars; // stores dynamic vars declared by the user
    std::unordered_map<std::string, SConfigValue>                                              configValues;
    std::unordered_map<std::string, std::unordered_map<std::string, SConfigValue>>             deviceConfigs; // stores device configs

    std::unordered_map<std::string, SAnimationPropertyConfig>                                  animationConfig; // stores all the animations with their set values

    std::string                                                                                currentCategory = ""; // For storing the category of the current item

    std::string                                                                                parseError = ""; // For storing a parse error to display later

    std::string                                                                                m_szCurrentSubmap = ""; // For storing the current keybind submap

    std::vector<SExecRequestedRule>                                                            execRequestedRules; // rules requested with exec, e.g. [workspace 2] kitty

    std::vector<std::string>                                                                   m_vDeclaredPlugins;
    std::unordered_map<HANDLE, std::unique_ptr<std::unordered_map<std::string, SConfigValue>>> pluginConfigs; // stores plugin configs
    std::vector<SPluginKeyword>                                                                pluginKeywords;

    bool                                                                                       isFirstLaunch = true; // For exec-once

    std::deque<SMonitorRule>                                                                   m_dMonitorRules;
    std::deque<SWorkspaceRule>                                                                 m_dWorkspaceRules;
    std::deque<SWindowRule>                                                                    m_dWindowRules;
    std::deque<SLayerRule>                                                                     m_dLayerRules;
    std::deque<std::string>                                                                    m_dBlurLSNamespaces;

    bool                                                                                       firstExecDispatched     = false;
    bool                                                                                       m_bManualCrashInitiated = false;
    std::deque<std::string>                                                                    firstExecRequests;

    std::vector<std::pair<std::string, std::string>>                                           environmentVariables;

    std::vector<std::pair<std::string, std::string>>                                           m_vFailedPluginConfigValues; // for plugin values of unloaded plugins

    // internal methods
    void         setDefaultVars();
    void         setDefaultAnimationVars();
    void         setDeviceDefaultVars(const std::string&);
    void         populateEnvironment();

    void         setAnimForChildren(SAnimationPropertyConfig* const);
    void         updateBlurredLS(const std::string&, const bool);

    void         applyUserDefinedVars(std::string&, const size_t);
    void         loadConfigLoadVars();
    SConfigValue getConfigValueSafe(const std::string&);
    SConfigValue getConfigValueSafeDevice(const std::string&, const std::string&, const std::string& fallback = "");
    void         parseLine(std::string&);
    void         configSetValueSafe(const std::string&, const std::string&);
    void         handleDeviceConfig(const std::string&, const std::string&);
    void         handleRawExec(const std::string&, const std::string&);
    void         handleMonitor(const std::string&, const std::string&);
    void         handleBind(const std::string&, const std::string&);
    void         handleUnbind(const std::string&, const std::string&);
    void         handleWindowRule(const std::string&, const std::string&);
    void         handleLayerRule(const std::string&, const std::string&);
    void         handleWindowRuleV2(const std::string&, const std::string&);
    void         handleWorkspaceRules(const std::string&, const std::string&);
    void         handleBezier(const std::string&, const std::string&);
    void         handleAnimation(const std::string&, const std::string&);
    void         handleSource(const std::string&, const std::string&);
    void         handleSubmap(const std::string&, const std::string&);
    void         handleBlurLS(const std::string&, const std::string&);
    void         handleBindWS(const std::string&, const std::string&);
    void         handleEnv(const std::string&, const std::string&);
    void         handlePlugin(const std::string&, const std::string&);
};

inline std::unique_ptr<CConfigManager> g_pConfigManager;