# =============================================================================
# Copyright (C) 2010 Diego Duclos
#
# This file is part of pyfa.
#
# pyfa is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# pyfa is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with pyfa.  If not, see <http://www.gnu.org/licenses/>.
# =============================================================================


from graphs.data.base import FitGraph, XDef, YDef, Input, VectorDef
from service.const import GraphCacheCleanupReason
from service.settings import GraphSettings
from .cache import ProjectedDataCache, TimeCache
from .getter import (
    Distance2DpsGetter, Distance2VolleyGetter, Distance2InflictedDamageGetter,
    Time2DpsGetter, Time2VolleyGetter, Time2InflictedDamageGetter,
    TgtSpeed2DpsGetter, TgtSpeed2VolleyGetter, TgtSpeed2InflictedDamageGetter,
    TgtSigRadius2DpsGetter, TgtSigRadius2VolleyGetter, TgtSigRadius2InflictedDamageGetter)


class FitDamageStatsGraph(FitGraph):

    def __init__(self):
        super().__init__()
        self._timeCache = TimeCache()
        self._projectedCache = ProjectedDataCache()

    def _clearInternalCache(self, reason, extraData):
        # Here, we care only about fit changes and graph changes.
        # - Input changes are irrelevant as time cache cares only about
        # time input, and it regenerates once time goes beyond cached value
        # - Option changes are irrelevant as cache contains "raw" damage
        # values which do not rely on any graph options
        if reason in (GraphCacheCleanupReason.fitChanged, GraphCacheCleanupReason.fitRemoved):
            self._timeCache.clearForFit(extraData)
            self._projectedCache.clearForFit(extraData)
        elif reason == GraphCacheCleanupReason.graphSwitched:
            self._timeCache.clearAll()
            self._projectedCache.clearAll()

    # UI stuff
    internalName = 'dmgStatsGraph'
    name = 'Damage Stats'
    xDefs = [
        XDef(handle='distance', unit='km', label='Distance', mainInput=('distance', 'km')),
        XDef(handle='time', unit='s', label='Time', mainInput=('time', 's')),
        XDef(handle='tgtSpeed', unit='m/s', label='Target speed', mainInput=('tgtSpeed', '%')),
        XDef(handle='tgtSpeed', unit='%', label='Target speed', mainInput=('tgtSpeed', '%')),
        XDef(handle='tgtSigRad', unit='m', label='Target signature radius', mainInput=('tgtSigRad', '%')),
        XDef(handle='tgtSigRad', unit='%', label='Target signature radius', mainInput=('tgtSigRad', '%'))]
    inputs = [
        Input(handle='time', unit='s', label='Time', iconID=1392, defaultValue=None, defaultRange=(0, 80), secondaryTooltip='When set, uses attacker\'s exact damage stats at a given time\nWhen not set, uses attacker\'s damage stats as shown in stats panel of main window'),
        Input(handle='distance', unit='km', label='Distance', iconID=1391, defaultValue=None, defaultRange=(0, 100), mainTooltip='Distance between the attacker and the target, as seen in overview (surface-to-surface)', secondaryTooltip='Distance between the attacker and the target, as seen in overview (surface-to-surface)\nWhen set, places the target that far away from the attacker\nWhen not set, attacker\'s weapons always hit the target'),
        Input(handle='tgtSpeed', unit='%', label='Target speed', iconID=1389, defaultValue=100, defaultRange=(0, 100)),
        Input(handle='tgtSigRad', unit='%', label='Target signature', iconID=1390, defaultValue=100, defaultRange=(100, 200), mainOnly=True)]
    srcVectorDef = VectorDef(lengthHandle='atkSpeed', lengthUnit='%', angleHandle='atkAngle', angleUnit='degrees', label='Attacker')
    tgtVectorDef = VectorDef(lengthHandle='tgtSpeed', lengthUnit='%', angleHandle='tgtAngle', angleUnit='degrees', label='Target')
    hasTargets = True
    srcExtraCols = ('Dps', 'Volley', 'Speed', 'Radius')

    @property
    def yDefs(self):
        ignoreResists = GraphSettings.getInstance().get('ignoreResists')
        return [
            YDef(handle='dps', unit=None, label='DPS' if ignoreResists else 'Effective DPS'),
            YDef(handle='volley', unit=None, label='Volley' if ignoreResists else 'Effective volley'),
            YDef(handle='damage', unit=None, label='Damage inflicted' if ignoreResists else 'Effective damage inflicted')]

    @property
    def tgtExtraCols(self):
        cols = []
        if not GraphSettings.getInstance().get('ignoreResists'):
            cols.append('Target Resists')
        cols.extend(('Speed', 'SigRadius', 'Radius'))
        return cols

    # Calculation stuff
    _normalizers = {
        ('distance', 'km'): lambda v, src, tgt: None if v is None else v * 1000,
        ('atkSpeed', '%'): lambda v, src, tgt: v / 100 * src.getMaxVelocity(),
        ('tgtSpeed', '%'): lambda v, src, tgt: v / 100 * tgt.getMaxVelocity(),
        ('tgtSigRad', '%'): lambda v, src, tgt: v / 100 * tgt.getSigRadius()}
    _limiters = {'time': lambda src, tgt: (0, 2500)}
    _getters = {
        ('distance', 'dps'): Distance2DpsGetter,
        ('distance', 'volley'): Distance2VolleyGetter,
        ('distance', 'damage'): Distance2InflictedDamageGetter,
        ('time', 'dps'): Time2DpsGetter,
        ('time', 'volley'): Time2VolleyGetter,
        ('time', 'damage'): Time2InflictedDamageGetter,
        ('tgtSpeed', 'dps'): TgtSpeed2DpsGetter,
        ('tgtSpeed', 'volley'): TgtSpeed2VolleyGetter,
        ('tgtSpeed', 'damage'): TgtSpeed2InflictedDamageGetter,
        ('tgtSigRad', 'dps'): TgtSigRadius2DpsGetter,
        ('tgtSigRad', 'volley'): TgtSigRadius2VolleyGetter,
        ('tgtSigRad', 'damage'): TgtSigRadius2InflictedDamageGetter}
    _denormalizers = {
        ('distance', 'km'): lambda v, src, tgt: None if v is None else v / 1000,
        ('tgtSpeed', '%'): lambda v, src, tgt: v * 100 / tgt.getMaxVelocity(),
        ('tgtSigRad', '%'): lambda v, src, tgt: v * 100 / tgt.getSigRadius()}