from __future__ import annotations

from dataclasses import dataclass, field
from typing import Any, Literal


Objective = Literal["time", "distance"]


@dataclass
class RouteTask:
    raw_request: str
    start_place: str
    destination_places: list[str]
    objective: Objective = "time"
    return_to_start: bool = True
    fixed_end_place: str | None = None
    constraints: list[str] = field(default_factory=list)


@dataclass
class GeoPoint:
    name: str
    query: str
    lat: float
    lon: float
    display_name: str
    source: str


@dataclass
class RouteMatrix:
    points: list[GeoPoint]
    durations: list[list[float]]
    distances: list[list[float]]
    source: str


@dataclass
class RouteSolution:
    route_indices: list[int]
    route_names: list[str]
    total_duration_seconds: float
    total_distance_meters: float
    objective: Objective
    algorithm: str
    leg_rows: list[list[Any]]


@dataclass
class ToolEvent:
    step: int
    tool: str
    arguments: dict[str, Any]
    status: str
    result: str


@dataclass
class AgentResult:
    task: RouteTask
    points: list[GeoPoint]
    matrix: RouteMatrix
    solution: RouteSolution
    summary_markdown: str
    trace: list[ToolEvent]
    pdf_path: str
    route_svg: str
    warnings: list[str] = field(default_factory=list)