import typing
import particles as pt
import pathlib
import auxiliary as aux
class Parser():
    """轻量级版本文件解析器, 用于解析记忆状态"""

class Reactor():
    """反应堆对象, 用于处理 & 分配一次文件记忆流程的资源/策略"""
    def __init__(self, nucleon_file: pt.AtomicFile, electron_file: pt.AtomicFile, tasked_num):
        # 导入原子对象
        self.reported = set()
        self.nucleon_file = nucleon_file
        self.electron_file = electron_file
        self.tasked_num = tasked_num
        self.atoms_new = list()
        self.atoms_review = list()

        electron_dict = {elect.content: elect for elect in electron_file.datalist}

        for nucleon in nucleon_file.datalist:
            atom = (electron_dict.get(nucleon_file, pt.Electron.placeholder()), nucleon)
            if atom[0].is_activated == 0:
                atom[0].is_activated = 1
                self.atoms_new.append(atom)
            else:
                if atom[0].next_date <= aux.get_daystamp():
                    atom[0].last_date = aux.get_daystamp()
                    self.atoms_review.append(atom)
        # 设置运行时
        self.index: int
        self.procession: list
        self.failed: list
        self.round_title: str
        self.reported: set
        self.current_atom: typing.Tuple[pt.Electron, pt.Nucleon]
        self.round_set = 0
        self.current_atom = pt.Atom.placeholder()

    def set_round(self, title, procession):
        self.round_set = 1
        self.round_title = title
        self.procession = procession
        self.failed = list()
        self.index = -1

    def set_round_templated(self, stage):
        titles = {
            1: "复习模式",
            2: "新记忆模式",
            3: "总复习模式"
        }
        processions = {
            1: self.atoms_review,
            2: self.atoms_new,
            3: list(set(self.atoms_new + self.atoms_review))
        }
        ret = 1
        if stage == 1 and len(processions[1]) == 0:
            stage = 2
            ret = 2
        self.set_round(title=titles[stage], procession=processions[stage])
        return ret

    def forward(self, step = 1):
        if self.index + step >= len(self.procession):
            if len(self.failed) > 0:
                self.procession = self.failed
                self.index = -1
                self.forward(step)
                if "- 额外复习" not in self.round_title:
                    self.round_title += " - 额外复习"
                self.failed = list()
                return 1 # 自动重定向到 failed
            else:
                self.round_set = 0
                return -1 # 此轮已完成
        self.index += step
        self.current_atom = self.procession[self.index]
        return 0

    def save(self):
        print("Progress saved")
        self.nucleon_file.save()
        self.electron_file.save()
    
    def report(self, atom, quality):
        if atom[0] not in self.reported:
            atom[0].revisor(quality)
            self.reported.add(atom[0])
        if quality <= 3:
            self.failed.append(atom)
            return 1
        else:
            return 0