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#
#  This program 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 2
#  of the License, or (at your option) any later version.
#
#  This program 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 this program; if not, write to the Free Software Foundation,
#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# ##### END GPL LICENSE BLOCK #####

# <pep8 compliant>
import bpy
from bpy.types import Panel

from .properties_physics_common import (
    point_cache_ui,
    effector_weights_ui,
    )


class PhysicButtonsPanel():
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = "physics"

    @classmethod
    def poll(cls, context):
        ob = context.object
        rd = context.scene.render
        return (ob and ob.type == 'MESH') and (not rd.use_game_engine) and (context.smoke)


class PHYSICS_PT_smoke(PhysicButtonsPanel, Panel):
    bl_label = "Smoke"

    def draw(self, context):
        layout = self.layout

        md = context.smoke
        ob = context.object

        layout.prop(md, "smoke_type", expand=True)

        if md.smoke_type == 'DOMAIN':
            domain = md.domain_settings

            split = layout.split()

            split.enabled = not domain.point_cache.is_baked

            col = split.column()
            col.label(text="Resolution:")
            col.prop(domain, "resolution_max", text="Divisions")
            col.label(text="Time:")
            col.prop(domain, "time_scale", text="Scale")
            col.label(text="Border Collisions:")
            col.prop(domain, "collision_extents", text="")

            col = split.column()
            col.label(text="Behavior:")
            col.prop(domain, "alpha")
            col.prop(domain, "beta", text="Temp. Diff.")
            col.prop(domain, "vorticity")
            col.prop(domain, "use_dissolve_smoke", text="Dissolve")
            sub = col.column()
            sub.active = domain.use_dissolve_smoke
            sub.prop(domain, "dissolve_speed", text="Time")
            sub.prop(domain, "use_dissolve_smoke_log", text="Slow")

        elif md.smoke_type == 'FLOW':

            flow = md.flow_settings

            split = layout.split()

            col = split.column()
            col.prop(flow, "use_outflow")
            col.label(text="Particle System:")
            col.prop_search(flow, "particle_system", ob, "particle_systems", text="")

            sub = col.column()
            sub.active = not md.flow_settings.use_outflow

            sub.prop(flow, "initial_velocity", text="Initial Velocity")
            sub = sub.column()
            sub.active = flow.initial_velocity
            sub.prop(flow, "velocity_factor", text="Multiplier")

            sub = split.column()
            sub.active = not md.flow_settings.use_outflow
            sub.label(text="Initial Values:")
            sub.prop(flow, "use_absolute")
            sub.prop(flow, "density")
            sub.prop(flow, "temperature")


class PHYSICS_PT_smoke_groups(PhysicButtonsPanel, Panel):
    bl_label = "Smoke Groups"
    bl_options = {'DEFAULT_CLOSED'}

    @classmethod
    def poll(cls, context):
        md = context.smoke
        return md and (md.smoke_type == 'DOMAIN')

    def draw(self, context):
        layout = self.layout

        group = context.smoke.domain_settings

        split = layout.split()

        col = split.column()
        col.label(text="Flow Group:")
        col.prop(group, "fluid_group", text="")

        #col.label(text="Effector Group:")
        #col.prop(group, "effector_group", text="")

        col = split.column()
        col.label(text="Collision Group:")
        col.prop(group, "collision_group", text="")


class PHYSICS_PT_smoke_highres(PhysicButtonsPanel, Panel):
    bl_label = "Smoke High Resolution"
    bl_options = {'DEFAULT_CLOSED'}

    @classmethod
    def poll(cls, context):
        md = context.smoke
        return md and (md.smoke_type == 'DOMAIN')

    def draw_header(self, context):
        md = context.smoke.domain_settings

        self.layout.prop(md, "use_high_resolution", text="")

    def draw(self, context):
        layout = self.layout

        md = context.smoke.domain_settings

        layout.active = md.use_high_resolution

        split = layout.split()
        split.enabled = not md.point_cache.is_baked

        col = split.column()
        col.label(text="Resolution:")
        col.prop(md, "amplify", text="Divisions")
        col.prop(md, "smooth_emitter")

        col = split.column()
        col.label(text="Noise Method:")
        col.row().prop(md, "noise_type", text="")
        col.prop(md, "strength")

        layout.prop(md, "show_high_resolution")


class PHYSICS_PT_smoke_cache(PhysicButtonsPanel, Panel):
    bl_label = "Smoke Cache"
    bl_options = {'DEFAULT_CLOSED'}

    @classmethod
    def poll(cls, context):
        md = context.smoke
        return md and (md.smoke_type == 'DOMAIN')

    def draw(self, context):
        layout = self.layout

        md = context.smoke.domain_settings
        cache = md.point_cache

        layout.label(text="Compression:")
        layout.prop(md, "point_cache_compress_type", expand=True)

        point_cache_ui(self, context, cache, (cache.is_baked is False), 'SMOKE')


class PHYSICS_PT_smoke_field_weights(PhysicButtonsPanel, Panel):
    bl_label = "Smoke Field Weights"
    bl_options = {'DEFAULT_CLOSED'}

    @classmethod
    def poll(cls, context):
        smoke = context.smoke
        return (smoke and smoke.smoke_type == 'DOMAIN')

    def draw(self, context):
        domain = context.smoke.domain_settings
        effector_weights_ui(self, context, domain.effector_weights)

if __name__ == "__main__":  # only for live edit.
    bpy.utils.register_module(__name__)