from ..generic.Rules import set_rule
from .Locations import location_table
import logging
import math


def has_seaglide(state, player):
    return state.has("Seaglide Fragment", player, 2)


def has_modification_station(state, player):
    return state.has("Modification Station Fragment", player, 3)


def has_mobile_vehicle_bay(state, player):
    return state.has("Mobile Vehicle Bay Fragment", player, 3)


def has_moonpool(state, player):
    return state.has("Moonpool Fragment", player, 2)


def has_vehicle_upgrade_console(state, player):
    return state.has("Vehicle Upgrade Console", player) and \
           has_moonpool(state, player)


def has_seamoth(state, player):
    return state.has("Seamoth Fragment", player, 3) and \
           has_mobile_vehicle_bay(state, player)


def has_seamoth_depth_module_mk1(state, player):
    return has_vehicle_upgrade_console(state, player)


def has_seamoth_depth_module_mk2(state, player):
    return has_seamoth_depth_module_mk1(state, player) and \
           has_modification_station(state, player)


def has_seamoth_depth_module_mk3(state, player):
    return has_seamoth_depth_module_mk2(state, player) and \
           has_modification_station(state, player)


def has_cyclops_bridge(state, player):
    return state.has("Cyclops Bridge Fragment", player, 3)


def has_cyclops_engine(state, player):
    return state.has("Cyclops Engine Fragment", player, 3)


def has_cyclops_hull(state, player):
    return state.has("Cyclops Hull Fragment", player, 3)


def has_cyclops(state, player):
    return has_cyclops_bridge(state, player) and \
           has_cyclops_engine(state, player) and \
           has_cyclops_hull(state, player) and \
           has_mobile_vehicle_bay(state, player)


def has_cyclops_depth_module_mk1(state, player):
    return state.has("Cyclops Depth Module MK1", player) and \
           has_modification_station(state, player)


def has_cyclops_depth_module_mk2(state, player):
    return has_cyclops_depth_module_mk1(state, player) and \
           has_modification_station(state, player)


def has_cyclops_depth_module_mk3(state, player):
    return has_cyclops_depth_module_mk2(state, player) and \
           has_modification_station(state, player)


def has_prawn(state, player):
    return state.has("Prawn Suit Fragment", player, 4) and \
           has_mobile_vehicle_bay(state, player)


def has_praw_propulsion_arm(state, player):
    return state.has("Prawn Suit Propulsion Cannon Fragment", player, 2) and \
           has_vehicle_upgrade_console(state, player)


def has_prawn_depth_module_mk1(state, player):
    return has_vehicle_upgrade_console(state, player)


def has_prawn_depth_module_mk2(state, player):
    return has_prawn_depth_module_mk1(state, player) and \
           has_modification_station(state, player)


def has_laser_cutter(state, player):
    return state.has("Laser Cutter Fragment", player, 3)


# Either we have propulsion cannon, or prawn + propulsion cannon arm
def has_propulsion_cannon(state, player):
    return state.has("Propulsion Cannon Fragment", player, 2) or \
           (has_prawn(state, player) and has_praw_propulsion_arm(state, player))

    
def has_cyclops_shield(state, player):
    return has_cyclops(state, player) and \
           state.has("Cyclops Shield Generator", player)


# Swim depth rules:
# Rebreather, high capacity tank and fins are available from the start.
# All tests for those were done without inventory for light weight.
# Fins and ultra Fins are better than charge fins, so we ignore charge fins.
# We're ignoring lightweight tank in the chart, because the difference is
# negligeable with from high capacity tank. 430m -> 460m
# Fins are not used when using seaglide
#
def get_max_swim_depth(state, player):
    #TODO, Make this a difficulty setting.
    # Only go up to 200m without any submarines for now.
    return 200

    # Rules bellow, are what are technically possible
    
    # has_ultra_high_capacity_tank = state.has("Ultra High Capacity Tank", player)
    # has_ultra_glide_fins = state.has("Ultra Glide Fins", player)

    # max_depth = 400 # More like 430m. Give some room
    # if has_seaglide(state, player):
    #     if has_ultra_high_capacity_tank:
    #         max_depth = 750 # It's about 50m more. Give some room
    #     else:
    #         max_depth = 600 # It's about 50m more. Give some room
    # elif has_ultra_high_capacity_tank:
    #     if has_ultra_glide_fins:
    #         pass
    #     else:
    #         pass
    # elif has_ultra_glide_fins:
    #     max_depth = 500

    # return max_depth


def get_seamoth_max_depth(state, player):
    if has_seamoth(state, player):
        if has_seamoth_depth_module_mk3(state, player):
            return 900
        elif has_seamoth_depth_module_mk2(state, player): # Will never be the case, 3 is craftable
            return 500
        elif has_seamoth_depth_module_mk1(state, player):
            return 300
        else:
            return 200
    else:
        return 0


def get_cyclops_max_depth(state, player):
    if has_cyclops(state, player):
        if has_cyclops_depth_module_mk3(state, player):
            return 1700
        elif has_cyclops_depth_module_mk2(state, player): # Will never be the case, 3 is craftable
            return 1300
        elif has_cyclops_depth_module_mk1(state, player):
            return 900
        else:
            return 500
    else:
        return 0


def get_prawn_max_depth(state, player):
    if has_prawn(state, player):
        if has_prawn_depth_module_mk2(state, player):
            return 1700
        elif has_prawn_depth_module_mk1(state, player):
            return 1300
        else:
            return 900
    else:
        return 0


def get_max_depth(state, player):
    #TODO, Difficulty option, we can add vehicle depth + swim depth
    # But at this point, we have to consider traver distance in caves, not
    # just depth
    return max(get_max_swim_depth(state, player), \
               get_seamoth_max_depth(state, player), \
               get_cyclops_max_depth(state, player), \
               get_prawn_max_depth(state, player))


def can_access_location(state, player, loc):
    # Extract location from game id.
    # Game id is in format: "(x, y, z)"
    pos_raw = loc.get("game_id")[1:-1].split(', ')
    pos_x = float(pos_raw[0])
    pos_y = float(pos_raw[1])
    pos_z = float(pos_raw[2])
    depth = -pos_y # y-up
    map_center_dist = math.sqrt(pos_x**2 + pos_z**2)
    aurora_dist = math.sqrt((pos_x - 1040)**2 + (pos_z - -160)**2)

    need_radiation_suit = aurora_dist < 940
    need_laser_cutter = loc.get("need_laser_cutter", False)
    need_propulsion_cannon = loc.get("need_propulsion_cannon", False)

    if need_laser_cutter and not has_laser_cutter(state, player):
        return False

    if need_radiation_suit and not state.has("Radiation Suit", player):
        return False

    if need_propulsion_cannon and not has_propulsion_cannon(state, player):
        return False

    # Seaglide doesn't unlock anything specific, but just allows for faster movement. 
    # Otherwise the game is painfully slow.
    if (map_center_dist > 800 or pos_y < -200) and not has_seaglide(state, player):
        return False

    return get_max_depth(state, player) >= depth


def set_location_rule(world, player, loc):
    set_rule(world.get_location(loc["name"], player), lambda state: can_access_location(state, player, loc))


def set_rules(world, player):
    logging.warning(type(location_table))
    for loc in location_table:
        set_location_rule(world, player, loc)

    # Victory location
    set_rule(world.get_location("Neptune Launch", player), lambda state: \
        get_max_depth(state, player) >= 1444 and \
        has_mobile_vehicle_bay(state, player) and \
        state.has('Neptune Launch Platform', player) and \
        state.has('Neptune Gantry', player) and \
        state.has('Neptune Boosters', player) and \
        state.has('Neptune Fuel Reserve', player) and \
        state.has('Neptune Cockpit', player) and \
        state.has('Ion Power Cell', player) and \
        state.has('Ion Battery', player) and \
        has_cyclops_shield(state, player))

    world.completion_condition[player] = lambda state: state.has('Victory', player)