from __future__ import annotations

import logging
import itertools
from typing import List, Dict, Any

from BaseClasses import Region, Entrance, Location, Item, Tutorial, ItemClassification
from worlds.AutoWorld import World, WebWorld
from . import Items
from . import Locations
from . import Creatures
from . import Options
from .Items import item_table, group_items
from .Rules import set_rules

logger = logging.getLogger("Subnautica")


class SubnaticaWeb(WebWorld):
    tutorials = [Tutorial(
        "Multiworld Setup Guide",
        "A guide to setting up the Subnautica randomizer connected to an Archipelago Multiworld",
        "English",
        "setup_en.md",
        "setup/en",
        ["Berserker"]
    )]


all_locations = {data["name"]: loc_id for loc_id, data in Locations.location_table.items()}
all_locations.update(Creatures.creature_locations)


class SubnauticaWorld(World):
    """
    Subnautica is an undersea exploration game. Stranded on an alien world, you become infected by
    an unknown bacteria. The planet's automatic quarantine will shoot you down if you try to leave.
    You must find a cure for yourself, build an escape rocket, and leave the planet.
    """
    game = "Subnautica"
    web = SubnaticaWeb()

    item_name_to_id = {data["name"]: item_id for item_id, data in Items.item_table.items()}
    location_name_to_id = all_locations
    option_definitions = Options.options

    data_version = 9
    required_client_version = (0, 4, 0)

    creatures_to_scan: List[str]

    def generate_early(self) -> None:
        if self.multiworld.early_seaglide[self.player]:
            self.multiworld.local_early_items[self.player]["Seaglide Fragment"] = 2

        scan_option: Options.AggressiveScanLogic = self.multiworld.creature_scan_logic[self.player]
        creature_pool = scan_option.get_pool()

        self.multiworld.creature_scans[self.player].value = min(
            len(creature_pool),
            self.multiworld.creature_scans[self.player].value
        )

        self.creatures_to_scan = self.multiworld.random.sample(creature_pool,
                                                          self.multiworld.creature_scans[self.player].value)

    def create_regions(self):
        self.multiworld.regions += [
            self.create_region("Menu", None, ["Lifepod 5"]),
            self.create_region("Planet 4546B",
                               Locations.events +
                               [location["name"] for location in Locations.location_table.values()] +
                               [creature+Creatures.suffix for creature in self.creatures_to_scan])
        ]

        # Link regions
        self.multiworld.get_entrance("Lifepod 5", self.player).connect(self.multiworld.get_region("Planet 4546B", self.player))

        for event in Locations.events:
            self.multiworld.get_location(event, self.player).place_locked_item(
                SubnauticaItem(event, ItemClassification.progression, None, player=self.player))
        # make the goal event the victory "item"
        self.multiworld.get_location(self.multiworld.goal[self.player].get_event_name(), self.player).item.name = "Victory"

    # refer to Rules.py
    set_rules = set_rules

    def create_items(self):
        # Generate item pool
        pool: List[SubnauticaItem] = []
        extras = self.multiworld.creature_scans[self.player].value

        grouped = set(itertools.chain.from_iterable(group_items.values()))

        for item_id, item in item_table.items():
            if item_id in grouped:
                extras += item["count"]
            else:
                for i in range(item["count"]):
                    subnautica_item = self.create_item(item["name"])
                    if item["name"] == "Neptune Launch Platform":
                        self.multiworld.get_location("Aurora - Captain Data Terminal", self.player).place_locked_item(
                            subnautica_item)
                    else:
                        pool.append(subnautica_item)

        group_amount: int = 3
        assert len(group_items) * group_amount <= extras
        for name in ("Furniture", "Farming"):
            for _ in range(group_amount):
                pool.append(self.create_item(name))
            extras -= group_amount

        for item_name in self.multiworld.random.choices(
                sorted(Items.advancement_item_names -  {"Neptune Launch Platform"}), k=extras):
            item = self.create_item(item_name)
            pool.append(item)

        self.multiworld.itempool += pool

    def fill_slot_data(self) -> Dict[str, Any]:
        goal: Options.Goal = self.multiworld.goal[self.player]
        swim_rule: Options.SwimRule = self.multiworld.swim_rule[self.player]
        vanilla_tech: List[str] = []

        slot_data: Dict[str, Any] = {
            "goal": goal.current_key,
            "swim_rule": swim_rule.current_key,
            "vanilla_tech": vanilla_tech,
            "creatures_to_scan": self.creatures_to_scan,
            "death_link": self.multiworld.death_link[self.player].value,
            "free_samples": self.multiworld.free_samples[self.player].value,
        }

        return slot_data

    def create_item(self, name: str) -> SubnauticaItem:
        item_id: int = self.item_name_to_id[name]

        return SubnauticaItem(name,
                              item_table[item_id]["classification"],
                              item_id, player=self.player)

    def create_region(self, name: str, locations=None, exits=None):
        ret = Region(name, self.player, self.multiworld)
        if locations:
            for location in locations:
                loc_id = self.location_name_to_id.get(location, None)
                location = SubnauticaLocation(self.player, location, loc_id, ret)
                ret.locations.append(location)
        if exits:
            for region_exit in exits:
                ret.exits.append(Entrance(self.player, region_exit, ret))
        return ret


class SubnauticaLocation(Location):
    game: str = "Subnautica"


class SubnauticaItem(Item):
    game: str = "Subnautica"