from .database import *


def _to_client_point(coord: str) -> dict[str, float]:
    xy = coord.removeprefix('(').removesuffix(')').split(',')
    return { 'x': float(xy[0]), 'y': float(xy[1]) }


def get_node_coord(name: str, id: str) -> dict[str, float]:
    row = try_read(name, f"select * from coordinates where node = '{id}'")
    if row == None:
        return {}
    return _to_client_point(row['coord'])


#--------------------------------------------------------------
# [EPA2][EPA3][IN][OUT]
#   id  x  y
#--------------------------------------------------------------
# exception ! need merge to node change set !


def inp_in_coord(line: str) -> str:
    tokens = line.split()
    node = tokens[0]
    coord = f"'({tokens[1]}, {tokens[2]})'"
    return f"insert into coordinates (node, coord) values ('{node}', {coord});"


def inp_out_coord(name: str) -> list[str]:
    lines = []
    objs = read_all(name, 'select * from coordinates')
    for obj in objs:
        node = obj['node']
        coord = _to_client_point(obj['coord'])
        x = coord['x']
        y = coord['y']
        lines.append(f'{node} {x} {y}')
    return lines