#include "sched.hpp"

bool SchedEntry::operator < (const SchedEntry &other) const {
    if (clock_ < other.clock_) return true;
    if (clock_ > other.clock_) return false;
    if (thread_id_ < other.thread_id_) return true;
    if (thread_id_ > other.thread_id_) return false;
    if (place_id_ < other.place_id_) return true;
    if (place_id_ > other.place_id_) return false;
    return false;
}

void Schedule::add(int64_t clk, int64_t thid, int64_t plid) {
    schedule_.insert(SchedEntry(clk, thid, plid));
}

bool Schedule::ready(int64_t clk) const {
    return (!schedule_.empty()) && (schedule_.begin()->clock() <= clk);
}

SchedEntry Schedule::pop() {
    SchedEntry result = *schedule_.begin();
    schedule_.erase(schedule_.begin());
    return result;
}

void Schedule::serialize(StreamBuffer *sb) {
    sb->write_size(schedule_.size());
    for (const SchedEntry &entry : schedule_) {
        sb->write_int64(entry.clock_);
        sb->write_int64(entry.thread_id_);
        sb->write_int64(entry.place_id_);
    }
}

void Schedule::deserialize(StreamBuffer *sb) {
    schedule_.clear();
    size_t nentry = sb->read_size();
    for (size_t i = 0; i < nentry; i++) {
        int64_t clock = sb->read_int64();
        int64_t thread_id = sb->read_int64();
        int64_t place_id = sb->read_int64();
        add(clock, thread_id, place_id);
    }
}