class ToggleAutoLink(Command):
    keyword: str class Renderer:
    DEFAULT_WIDTH = 4

    def __init__(self, goals: Graph, width_limit=DEFAULT_WIDTH) -> None:
        self.width_limit = width_limit
        original_graph: Dict[int, Any] = goals.q(
            keys="name,edge,open,select,switchable"
        )
        self.graph: Dict[GoalId, Any] = {k: v for k, v in original_graph.items()}
        self.edges: Dict[GoalId, List[GoalId]] = {
            key: [e[0] for e in values["edge"]] for key, values in self.graph.items()
        }
        self.layers: Dict[int, Layer] = defaultdict(list)
        self.positions: Dict[GoalId, int] = {}
        self.edge_types: Dict[Tuple[GoalId, GoalId], EdgeType] = {
            (parent, child): edge_type
            for parent in self.graph
            for child, edge_type in self.graph[parent]["edge"]
        }
        self.result_edge_options: Dict[str, Tuple[int, int, int]] = {}

    def build(self) -> RenderResult:
        self.split_by_layers()
        self.reorder()
        self.update_graph()
        self.build_index()
        return RenderResult(self.graph, self.result_edge_options)

    def split_by_layers(self) -> None:
        unsorted_goals: Dict[GoalId, List[GoalId]] = dict(self.edges)
        sorted_goals: Set[GoalId] = set()
        incoming_edges: Set[GoalId] = set()
        outgoing_edges: List[GoalId] = []
        current_layer: int = 0
        while unsorted_goals:
            new_layer: Layer = []
            for goal, edges_len in self.candidates_for_new_layer(
                sorted_goals, unsorted_goals
            ):
                unsorted_goals.pop(goal)
                sorted_goals.add(goal)
                new_layer.append(goal)
                back_edges: List[GoalId] = [
                    k for k, vs in self.edges.items() if goal in vs
                ]
                outgoing_edges.extend(iter(back_edges))
                if (len(new_layer) >= self.width_limit and edges_len < 1) or (
                    len(outgoing_edges) >= self.width_limit
                ):
                    break
            incoming_edges = incoming_edges.difference(set(new_layer))
            for original_id in incoming_edges:
                new_goal_name: str = f"{original_id}_{current_layer}"
                self.edges[new_goal_name] = [
                    g
                    for g in self.edges[original_id]
                    if g in sorted_goals and g not in new_layer
                ]
                new_edge_type: EdgeType = EdgeType.BLOCKER
                for g in self.edges[new_goal_name]:
                    self.edges[original_id].remove(g)
                    self.edge_types[new_goal_name, g] = self.edge_types[original_id, g]
                    new_edge_type = max(new_edge_type, self.edge_types[original_id, g])
                self.edges[original_id].append(new_goal_name)
                self.edge_types[original_id, new_goal_name] = new_edge_type
                new_layer.append(new_goal_name)
                sorted_goals.add(new_goal_name)
            self.layers[current_layer] = new_layer
            current_layer += 1
            incoming_edges.update(outgoing_edges)
            outgoing_edges.clear()
        self.positions = {
            g: idx
            for layer in self.layers.values()
            for idx, g in enumerate(layer)
            if g is not None
        }

    @staticmethod
    def candidates_for_new_layer(
        sorted_goals: Set[GoalId], unsorted_goals: Dict[GoalId, List[GoalId]]
    ) -> List[Tuple[GoalId, int]]:
        candidates: List[Tuple[GoalId, int]] = [
            (goal, len(edges))
            for goal, edges in unsorted_goals.items()
            if all(v in sorted_goals for v in edges)
        ]
        candidates.sort(key=lambda x: x[1], reverse=True)
        return candidates

    def reorder(self) -> None:
        for curr_layer in sorted(self.layers.keys(), reverse=True)[:-1]:
            fixed_line: Layer = self.layers[curr_layer]
            random_line: Layer = self.layers[curr_layer - 1]
            deltas: Dict[GoalId, int] = self.count_deltas(fixed_line)
            new_positions: Dict[GoalId, int] = {
                g: int(self.positions[g] + deltas.get(g, 0))
                for g in random_line
                if g is not None
            }

            placed_line: Layer = self.place(new_positions)
            self.positions.update(
                {g: idx for idx, g in enumerate(placed_line) if g is not None}
            )
            self.layers[curr_layer - 1] = placed_line

    def count_deltas(self, fixed_line: Layer) -> Dict[GoalId, int]:
        deltas: Dict[GoalId, List[int]] = defaultdict(list)
        for goal in fixed_line:
            if goal is not None:
                for e in self.edges[goal]:
                    deltas[e].append(self.positions[goal] - self.positions[e])
        return {k: safe_average(v) for k, v in deltas.items()}

    def update_graph(self) -> None:
        for row in sorted(self.layers.keys()):
            real_col: int = 0
            for col, goal_id in enumerate(self.layers[row]):
                if goal_id is None:
                    continue
                if goal_id in self.graph:
                    self.graph[goal_id]["col1"] = real_col
                    real_col += 1
                else:
                    self.graph[goal_id] = {
                        "name": "",
                        "edge": [],
                        "edge_render": [],
                        "switchable": False,
                        "select": None,
                        "open": True,
                    }
                self.graph[goal_id].update(
                    {
                        "row": row,
                        "col": col,
                        "edge_render": [
                            (child, self.edge_types[goal_id, child])
                            for child in self.edges[goal_id]
                        ],
                    }
                )

    def build_index(self) -> None:
        result_index: Dict[int, Dict[int, GoalId]] = {}
        for goal_id, attrs in self.graph.items():
            if (row := attrs["row"]) not in result_index:
                result_index[row] = {}
            result_index[row][attrs["col"]] = goal_id

        for row_vals in result_index.values():
            left: int = 0
            edges: List[str] = []
            phase: str = "goals"

            for _, new_goal_id in sorted(row_vals.items(), key=lambda x: x[0]):
                if isinstance(new_goal_id, int):
                    if phase == "edges":
                        self._write_edges(edges, left)
                        edges = []
                    phase = "goals"
                    left = new_goal_id
                else:
                    phase = "edges"
                    edges.append(new_goal_id)
            self._write_edges(edges, left)

    def _write_edges(self, edges: List[str], left: int) -> None:
        self.result_edge_options.update(
            {e: (left, i + 1, len(edges) + 1) for i, e in enumerate(edges)}
        )

    def place(self, source: Dict[GoalId, int]) -> Layer:
        result: Layer = []
        unplaced: List[Tuple[GoalId, int]] = sorted(list(source.items()), key=goal_key)
        while unplaced:
            value, index = unplaced.pop(0)
            if len(result) < index + 1:
                result.extend([None] * (index + 1 - len(result)))
            if result[index] is None:
                result[index] = value
            else:
                unplaced.insert(0, (value, index + 1))
        while len(result) > self.width_limit and None in result:
            result.remove(None)
        return result class ToggleClose(Command):
    """Close an open selected goal. Re-open a closed selected goal"""

    root: int = 0 class Delete(Command):
    """Remove given or selected goal whether it exists. Do nothing in other case"""

    goal_id: int = 0 class HoldSelect(Command):
    """Saves current selection into the "previous selection" state""" class ToggleLink(Command):
    """Create or remove a link between two given goals, if possible"""

    lower: int = 0
    upper: int = 0
    edge_type: EdgeType = EdgeType.BLOCKER class EdgeType(IntEnum):
    BLOCKER = 1
    PARENT = 2 class Select(Command):
    """Select a goal by its id whether it exist. Do nothing in other case"""

    goal_id: int class Add(Command):
    """Add a new goal to the existing tree"""

    name: str
    add_to: int = 0
    edge_type: EdgeType = EdgeType.PARENT class Insert(Command):
    """Add an intermediate goal between two selected goals"""

    name: str class Rename(Command):
    """Change a name of the given goal"""

    new_name: str
    goal_id: int = 0 class Graph:
    """Base interface definition"""

    NO_VALUE = "no value"

    def __init__(self, goaltree=None):
        self.goaltree: Graph = goaltree

    def __getattr__(self, item):
        """When method is not found, ask nested goaltree for it"""
        if self.goaltree != self:
            return getattr(self.goaltree, item)
        return None

    def accept(self, command: Command) -> None:
        """React on the given command"""
        method_name = "accept_" + command.__class__.__name__
        if method := getattr(self, method_name):
            method(command)
        elif parent := self.goaltree:
            parent.accept(command)
        else:
            raise NotImplementedError(f"Cannot find method {method_name}")

    def accept_all(self, *commands: Command) -> None:
        """React on the command chain"""
        for command in commands:
            self.accept(command)

    def settings(self, key: str) -> Any:
        """Returns given inner value by the key"""
        if self.goaltree is not None:
            return self.goaltree.settings(key)
        return Graph.NO_VALUE

    def reconfigure_from(self, origin: "Graph") -> None:
        """Synchronize *non-persistent* settings from the given origin"""
        if self.goaltree:
            self.goaltree.reconfigure_from(origin)

    def selections(self) -> Set[int]:
        """Return ids of special 'selection' goals"""
        if self.goaltree:
            return self.goaltree.selections()
        raise NotImplementedError

    def events(self) -> deque:
        """Returns queue of applied actions.
        Note: this queue is modifiable -- you may push new events into it. But this
        behavior may be changed in future."""
        if self.goaltree is not None:
            return self.goaltree.events()
        raise NotImplementedError

    def q(self, keys: str = "name") -> Dict[int, Any]:
        """Run search query against content"""
        raise NotImplementedError

    def error(self, message: str) -> None:
        """Show error message"""
        if self.goaltree is not None:
            self.goaltree.error(message)

    def verify(self) -> bool:
        """Check all inner data for correctness"""
        if self.goaltree is not None:
            return self.goaltree.verify()
        return False class ToggleProgress(Command):
    pass class FilterBy(Command):
    """Activate or deactivate filtering"""

    pattern: str class ToggleOpenView(Command):
    """Switch between "only open goals" and "all goals" views""" class ToggleSwitchableView(Command):
    """Switch between "only switchable goals" and "all goals" views""" def save(goals: Graph, filename: str) -> None:
    if path.isfile(filename):
        connection = sqlite3.connect(filename)
        run_migrations(connection)
        save_updates(goals, connection)
    else:
        connection = sqlite3.connect(filename)
        save_connection(goals, connection)

    connection.close() def load(filename: str, message_fn: Callable[[str], None] = None) -> Enumeration:
    zoom_data: ZoomData = []
    autolink_data: AutoLinkData = []
    if path.isfile(filename):
        connection = sqlite3.connect(filename)
        run_migrations(connection)
        cur = connection.cursor()
        names = list(cur.execute("select * from goals"))
        edges = list(cur.execute("select parent, child, reltype from edges"))
        settings = list(cur.execute("select * from settings"))
        zoom_data = list(cur.execute("select * from zoom"))
        autolink_data = list(cur.execute("select * from autolink"))
        cur.close()
        goals = Goals.build(names, edges, settings, message_fn)
    else:
        goals = Goals("Rename me", message_fn)
    result = Enumeration(all_layers(goals, zoom_data, autolink_data))
    result.verify()
    return result class ToggleZoom(Command):
    """Hide or show all goals blocked by the current one"""
import sys
from argparse import ArgumentParser
from operator import itemgetter
from siebenapp.autolink import ToggleAutoLink
from siebenapp.render import Renderer
from siebenapp.domain import (
    ToggleClose,
    Delete,
    HoldSelect,
    ToggleLink,
    EdgeType,
    Select,
    Add,
    Insert,
    Rename,
    Graph,
)
from siebenapp.progress_view import ToggleProgress
from siebenapp.filter_view import FilterBy
from siebenapp.open_view import ToggleOpenView
from siebenapp.switchable_view import ToggleSwitchableView
from siebenapp.system import save, load
from siebenapp.zoom import ToggleZoom


USER_MESSAGE = ""


class IO:
    """Simple wrapper for all input/output interactions"""

    def write(self, text: str, *args) -> None:
        raise NotImplementedError

    def read(self) -> str:
        raise NotImplementedError


class ConsoleIO(IO):
    def __init__(self, prompt):
        super().__init__()
        sys.stdin.reconfigure(encoding="utf-8")
        self.prompt = prompt

    def write(self, text: str, *args) -> None:
        print(text, *args)

    def read(self) -> str:
        return input(self.prompt)


def update_message(message=""):
    global USER_MESSAGE
    USER_MESSAGE = message


def fmt(goal_id, goal_vars, id_width):
    if -10 <= goal_id < 0:
        goal_id = " " * id_width
    name = goal_vars["name"]
    op = " " if goal_vars["open"] else "x"
    status = f"[{op}]" if goal_vars["switchable"] else f" {op} "
    selection = " "
    if goal_vars["select"] == "select":
        selection = ">"
    elif goal_vars["select"] == "prev":
        selection = "_"
    children = ""
    if goal_vars["edge"]:
        child_list = ",".join(
            str(e[0]) for e in goal_vars["edge"] if e[1] == EdgeType.PARENT
        )
        blocker_list = ",".join(
            str(e[0]) for e in goal_vars["edge"] if e[1] == EdgeType.BLOCKER
        )
        children = f" [{child_list} / {blocker_list}]"
    return f"{goal_id}{status}{selection}{name}{children}"


def build_actions(command):
    simple_commands = {
        "c": ToggleClose(),
        "d": Delete(),
        "h": HoldSelect(),
        "k": ToggleLink(edge_type=EdgeType.PARENT),
        "l": ToggleLink(),

        "n": ToggleOpenView(),