# --------------------------------------------------------------------------------------
# Copyright (c) 2019, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file LICENSE, distributed with this software.
# --------------------------------------------------------------------------------------
"""Time updating an EditVariable in a set of constraints typical of enaml use.

"""
import perf

from kiwisolver import Solver, Variable, strength

solver = Solver()

# Create custom strength
mmedium = strength.create(0, 1, 0, 1.25)
smedium = strength.create(0, 100, 0)

# Create the variable
left = Variable("left")
height = Variable("height")
top = Variable("top")
width = Variable("width")
contents_top = Variable("contents_top")
contents_bottom = Variable("contents_bottom")
contents_left = Variable("contents_left")
contents_right = Variable("contents_right")
midline = Variable("midline")
ctleft = Variable("ctleft")
ctheight = Variable("ctheight")
cttop = Variable("cttop")
ctwidth = Variable("ctwidth")
lb1left = Variable("lb1left")
lb1height = Variable("lb1height")
lb1top = Variable("lb1top")
lb1width = Variable("lb1width")
lb2left = Variable("lb2left")
lb2height = Variable("lb2height")
lb2top = Variable("lb2top")
lb2width = Variable("lb2width")
lb3left = Variable("lb3left")
lb3height = Variable("lb3height")
lb3top = Variable("lb3top")
lb3width = Variable("lb3width")
fl1left = Variable("fl1left")
fl1height = Variable("fl1height")
fl1top = Variable("fl1top")
fl1width = Variable("fl1width")
fl2left = Variable("fl2left")
fl2height = Variable("fl2height")
fl2top = Variable("fl2top")
fl2width = Variable("fl2width")
fl3left = Variable("fl3left")
fl3height = Variable("fl3height")
fl3top = Variable("fl3top")
fl3width = Variable("fl3width")

# Add the edit variables
solver.addEditVariable(width, "strong")
solver.addEditVariable(height, "strong")

# Add the constraints
for c in [
    (left + -0 >= 0) | "required",
    (height + 0 == 0) | "medium",
    (top + -0 >= 0) | "required",
    (width + -0 >= 0) | "required",
    (height + -0 >= 0) | "required",
    (-top + contents_top + -10 == 0) | "required",
    (lb3height + -16 == 0) | "strong",
    (lb3height + -16 >= 0) | "strong",
    (ctleft + -0 >= 0) | "required",
    (cttop + -0 >= 0) | "required",
    (ctwidth + -0 >= 0) | "required",
    (ctheight + -0 >= 0) | "required",
    (fl3left + -0 >= 0) | "required",
    (ctheight + -24 >= 0) | smedium,
    (ctwidth + -1.67772e07 <= 0) | smedium,
    (ctheight + -24 <= 0) | smedium,
    (fl3top + -0 >= 0) | "required",
    (fl3width + -0 >= 0) | "required",
    (fl3height + -0 >= 0) | "required",
    (lb1width + -67 == 0) | "weak",
    (lb2width + -0 >= 0) | "required",
    (lb2height + -0 >= 0) | "required",
    (fl2height + -0 >= 0) | "required",
    (lb3left + -0 >= 0) | "required",
    (fl2width + -125 >= 0) | "strong",
    (fl2height + -21 == 0) | "strong",
    (fl2height + -21 >= 0) | "strong",
    (lb3top + -0 >= 0) | "required",
    (lb3width + -0 >= 0) | "required",
    (fl1left + -0 >= 0) | "required",
    (fl1width + -0 >= 0) | "required",
    (lb1width + -67 >= 0) | "strong",
    (fl2left + -0 >= 0) | "required",
    (lb2width + -66 == 0) | "weak",
    (lb2width + -66 >= 0) | "strong",
    (lb2height + -16 == 0) | "strong",
    (fl1height + -0 >= 0) | "required",
    (fl1top + -0 >= 0) | "required",
    (lb2top + -0 >= 0) | "required",
    (-lb2top + lb3top + -lb2height + -10 == 0) | mmedium,
    (-lb3top + -lb3height + fl3top + -10 >= 0) | "required",
    (-lb3top + -lb3height + fl3top + -10 == 0) | mmedium,
    (contents_bottom + -fl3height + -fl3top + -0 == 0) | mmedium,
    (fl1top + -contents_top + 0 >= 0) | "required",
    (fl1top + -contents_top + 0 == 0) | mmedium,
    (contents_bottom + -fl3height + -fl3top + -0 >= 0) | "required",
    (-left + -width + contents_right + 10 == 0) | "required",
    (-top + -height + contents_bottom + 10 == 0) | "required",
    (-left + contents_left + -10 == 0) | "required",
    (lb3left + -contents_left + 0 == 0) | mmedium,
    (fl1left + -midline + 0 == 0) | "strong",
    (fl2left + -midline + 0 == 0) | "strong",
    (ctleft + -midline + 0 == 0) | "strong",
    (fl1top + 0.5 * fl1height + -lb1top + -0.5 * lb1height + 0 == 0) | "strong",
    (lb1left + -contents_left + 0 >= 0) | "required",
    (lb1left + -contents_left + 0 == 0) | mmedium,
    (-lb1left + fl1left + -lb1width + -10 >= 0) | "required",
    (-lb1left + fl1left + -lb1width + -10 == 0) | mmedium,
    (-fl1left + contents_right + -fl1width + -0 >= 0) | "required",
    (width + 0 == 0) | "medium",
    (-fl1top + fl2top + -fl1height + -10 >= 0) | "required",
    (-fl1top + fl2top + -fl1height + -10 == 0) | mmedium,
    (cttop + -fl2top + -fl2height + -10 >= 0) | "required",
    (-ctheight + -cttop + fl3top + -10 >= 0) | "required",
    (contents_bottom + -fl3height + -fl3top + -0 >= 0) | "required",
    (cttop + -fl2top + -fl2height + -10 == 0) | mmedium,
    (-fl1left + contents_right + -fl1width + -0 == 0) | mmedium,
    (-lb2top + -0.5 * lb2height + fl2top + 0.5 * fl2height + 0 == 0) | "strong",
    (-contents_left + lb2left + 0 >= 0) | "required",
    (-contents_left + lb2left + 0 == 0) | mmedium,
    (fl2left + -lb2width + -lb2left + -10 >= 0) | "required",
    (-ctheight + -cttop + fl3top + -10 == 0) | mmedium,
    (contents_bottom + -fl3height + -fl3top + -0 == 0) | mmedium,
    (lb1top + -0 >= 0) | "required",
    (lb1width + -0 >= 0) | "required",
    (lb1height + -0 >= 0) | "required",
    (fl2left + -lb2width + -lb2left + -10 == 0) | mmedium,
    (-fl2left + -fl2width + contents_right + -0 == 0) | mmedium,
    (-fl2left + -fl2width + contents_right + -0 >= 0) | "required",
    (lb3left + -contents_left + 0 >= 0) | "required",
    (lb1left + -0 >= 0) | "required",
    (0.5 * ctheight + cttop + -lb3top + -0.5 * lb3height + 0 == 0) | "strong",
    (ctleft + -lb3left + -lb3width + -10 >= 0) | "required",
    (-ctwidth + -ctleft + contents_right + -0 >= 0) | "required",
    (ctleft + -lb3left + -lb3width + -10 == 0) | mmedium,
    (fl3left + -contents_left + 0 >= 0) | "required",
    (fl3left + -contents_left + 0 == 0) | mmedium,
    (-ctwidth + -ctleft + contents_right + -0 == 0) | mmedium,
    (-fl3left + contents_right + -fl3width + -0 == 0) | mmedium,
    (-contents_top + lb1top + 0 >= 0) | "required",
    (-contents_top + lb1top + 0 == 0) | mmedium,
    (-fl3left + contents_right + -fl3width + -0 >= 0) | "required",
    (lb2top + -lb1top + -lb1height + -10 >= 0) | "required",
    (-lb2top + lb3top + -lb2height + -10 >= 0) | "required",
    (lb2top + -lb1top + -lb1height + -10 == 0) | mmedium,
    (fl1height + -21 == 0) | "strong",
    (fl1height + -21 >= 0) | "strong",
    (lb2left + -0 >= 0) | "required",
    (lb2height + -16 >= 0) | "strong",
    (fl2top + -0 >= 0) | "required",
    (fl2width + -0 >= 0) | "required",
    (lb1height + -16 >= 0) | "strong",
    (lb1height + -16 == 0) | "strong",
    (fl3width + -125 >= 0) | "strong",
    (fl3height + -21 == 0) | "strong",
    (fl3height + -21 >= 0) | "strong",
    (lb3height + -0 >= 0) | "required",
    (ctwidth + -119 >= 0) | smedium,
    (lb3width + -24 == 0) | "weak",
    (lb3width + -24 >= 0) | "strong",
    (fl1width + -125 >= 0) | "strong",
]:
    solver.addConstraint(c)


def bench_update_variables(loops, solver):
    """Suggest new values and update variables.

    This mimic the use of kiwi in enaml in the case of a resizing.

    """
    t0 = perf.perf_counter()
    for w, h in [
        (400, 600),
        (600, 400),
        (800, 1200),
        (1200, 800),
        (400, 800),
        (800, 400),
    ] * loops:
        solver.suggestValue(width, w)
        solver.suggestValue(height, h)
        solver.updateVariables()

    return perf.perf_counter() - t0


runner = perf.Runner()
runner.bench_time_func(
    "kiwi.suggestValue", bench_update_variables, solver, inner_loops=1
)
