#pragma once
#include "common.h"
#include "arg.h"
#include <string>
#include <vector>
#include <map>
#include <set>
//
// INI preset parser and writer
//
constexpr const char * COMMON_PRESET_DEFAULT_NAME = "default";
struct common_preset_context;
struct common_preset {
std::string name;
// options are stored as common_arg to string mapping, representing CLI arg and its value
std::map<common_arg, std::string> options;
// convert preset to CLI argument list
std::vector<std::string> to_args(const std::string & bin_path = "") const;
// convert preset to INI format string
std::string to_ini() const;
// TODO: maybe implement to_env() if needed
// modify preset options where argument is identified by its env variable
void set_option(const common_preset_context & ctx, const std::string & env, const std::string & value);
// unset option by its env variable
void unset_option(const std::string & env);
// get option value by its env variable, return false if not found
bool get_option(const std::string & env, std::string & value) const;
// merge another preset into this one, overwriting existing options
void merge(const common_preset & other);
// apply preset options to common_params
// optionally specify handled_keys to only apply a subset of options (identified by their env), if empty, apply all options
void apply_to_params(common_params & params, const std::set<std::string> & handled_keys = std::set<std::string>()) const;
};
// interface for multiple presets in one file
using common_presets = std::map<std::string, common_preset>;
// context for loading and editing presets
struct common_preset_context {
common_params default_params; // unused for now
common_params_context ctx_params;
std::map<std::string, common_arg> key_to_opt;
bool filter_allowed_keys = false;
std::set<std::string> allowed_keys;
// if true, options unknown to the current example are skipped instead of being an error
// used for config files shared by all binaries, where each binary only knows a subset of options
bool ignore_unknown_keys = false;
// if only_remote_allowed is true, only accept whitelisted keys
common_preset_context(llama_example ex);
// load presets from INI file
common_presets load_from_ini(const std::string & path, common_preset & global) const;
// generate presets from cached models
common_presets load_from_cache() const;
// generate presets from local models directory
// for the directory structure, see "Using multiple models" in server/README.md
common_presets load_from_models_dir(const std::string & models_dir) const;
// generate one preset from CLI arguments
common_preset load_from_args(int argc, char ** argv) const;
// cascade multiple presets if exist on both: base < added
// if preset does not exist in base, it will be added without modification
common_presets cascade(const common_presets & base, const common_presets & added) const;
// apply presets over a base preset (same idea as CSS cascading)
common_presets cascade(const common_preset & base, const common_presets & presets) const;
};