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#include <filesystem>
#include <fstream>
#include <unordered_map>
#include "functions.hpp"
#include "opts/cxxopts.hpp"
namespace fs = std::filesystem;
std::unordered_map<std::string, std::string> tasks = {};
std::unordered_map<std::string, std::string> tasksDone = {};
std::unordered_map<std::string, std::string> prefixes = {};
fs::path taskpath, donepath;
std::string taskdir;
std::string taskfile;
std::string sha256_hash(std::string text) {
std::vector<unsigned char> hash(picosha2::k_digest_size);
picosha2::hash256(text.begin(), text.end(), hash.begin(), hash.end());
std::string hex_str = picosha2::bytes_to_hex_string(hash.begin(), hash.end());
return hex_str;
}
std::string prefix(std::string hash) {
std::string prefix;
for (size_t i = 1; i <= hash.length(); i++) {
prefix = hash.substr(0, i);
if (tasks.find(prefix) == tasks.end())
return prefix;
}
return hash;
}
void get_prefixes() {
for (const auto &n : tasks) {
prefixes[prefix(n.first)] = n.first;
}
}
void readFiles() {
// read task file
std::cout << "taskfile: " << taskpath << std::endl;
std::ifstream intaskfile(taskpath);
std::string line;
while (std::getline(intaskfile, line)) {
std::istringstream iss(line);
tasks[sha256_hash(line)] = line;
}
intaskfile.close();
// read done file
std::cout << "done taskfile: " << donepath << std::endl;
std::ifstream indonefile(donepath);
while (std::getline(indonefile, line)) {
std::istringstream iss(line);
tasksDone[sha256_hash(line)] = line;
}
indonefile.close();
get_prefixes();
}
void writeFiles() {
std::ofstream outtaskfile(taskpath);
if (outtaskfile.is_open()) {
for (const auto &n : tasks) {
outtaskfile << n.second << std::endl;
}
}
outtaskfile.close();
std::ofstream outdonefile(donepath);
if (outdonefile.is_open()) {
for (const auto &n : tasksDone) {
outdonefile << n.second << std::endl;
}
}
outdonefile.close();
}
int main(int argc, char *argv[]) {
cxxopts::Options options("MyProgram", "One line description of MyProgram");
options.allow_unrecognised_options().add_options()(
"positional",
"Positional arguments: these are the arguments that are entered "
"without an option",
cxxopts::value<std::vector<std::string>>())(
"e,edit", "edit TASK to contain TEXT", cxxopts::value<std::string>())(
"f,finish", "mark TASK as finished", cxxopts::value<std::string>())(
"r,remove", "Remove TASK from list", cxxopts::value<std::string>())(
"l,list", "work on LIST", cxxopts::value<std::string>())(
"t,taskdir", "work on the lists in DIR", cxxopts::value<std::string>())(
"d,delete-if-empty", "delete the task file if it becomes empty")(
"g,grep", "print only tasks that contain WORD",
cxxopts::value<std::string>())(
"v,verbose", "print more detailed output (full task ids, etc)")(
"q,quiet", "print less detailed output (no task ids, etc)")(
"D,done", "list done tasks instead of unfinished ones")("h,help", "HELP");
options.parse_positional({"positional"});
auto result = options.parse(argc, argv);
const auto &arguments = result.arguments();
if (result.count("help")) {
std::cout << options.help() << std::endl;
exit(0);
}
if (result.count("taskdir")) {
taskdir = result["taskdir"].as<std::string>();
} else {
namespace fs = std::filesystem;
taskdir = fs::current_path();
}
if (result.count("list")) {
taskfile = result["list"].as<std::string>();
} else {
taskfile = "tasks";
}
taskpath = fs::path(taskdir) / fs::path(taskfile);
donepath = fs::path(taskdir) / fs::path("." + taskfile + ".done");
readFiles();
for (const auto &n : prefixes) {
std::cout << "Key:[" << n.first << "] Value:[" << tasks[n.second] << "]\n";
}
std::cout << std::endl;
if (result.count("positional")) {
std::string str;
auto &v = result["positional"].as<std::vector<std::string>>();
for (const auto &s : v) {
str += s + " ";
}
auto src_str = trim(str);
tasks[sha256_hash(str)] = str;
std::string hash = sha256_hash(str);
std::cout << "sha256('" << str << "'): " << hash << std::endl;
std::string p = prefix(hash);
std::cout << "prefix: " << p << std::endl;
writeFiles();
}
return 0;
}
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