-- Biter Battles v2 -- by MewMew

local Ai = require 'maps.biter_battles_v2.ai'
local Functions = require 'maps.biter_battles_v2.functions'
local Game_over = require 'maps.biter_battles_v2.game_over'
local Gui = require 'maps.biter_battles_v2.gui'
local Init = require 'maps.biter_battles_v2.init'
local Mirror_terrain = require 'maps.biter_battles_v2.mirror_terrain'
require 'modules.simple_tags'
local Team_manager = require 'maps.biter_battles_v2.team_manager'
local Terrain = require 'maps.biter_battles_v2.terrain'

require 'maps.biter_battles_v2.sciencelogs_tab'
require 'maps.biter_battles_v2.commands'
require 'modules.spawners_contain_biters'

local function on_player_joined_game(event)
    local player = game.players[event.player_index]
    if player.online_time == 0 or player.force.name == 'player' then
        Functions.init_player(player)
    end
    Functions.create_map_intro_button(player)
    Team_manager.draw_top_toggle_button(player)
end

local function on_gui_click(event)
    local player = game.players[event.player_index]
    local element = event.element
    if not element then
        return
    end
    if not element.valid then
        return
    end

    if Functions.map_intro_click(player, element) then
        return
    end
    Team_manager.gui_click(event)
end

local function on_research_finished(event)
    Functions.combat_balance(event)
end

local function on_console_chat(event)
    Functions.share_chat(event)
end

local function on_built_entity(event)
    Functions.no_turret_creep(event)
    Functions.add_target_entity(event.created_entity)
end

local function on_robot_built_entity(event)
    Functions.no_turret_creep(event)
    Terrain.deny_construction_bots(event)
    Functions.add_target_entity(event.created_entity)
end

local function on_entity_died(event)
    local entity = event.entity
    if not entity.valid then
        return
    end
    if Ai.subtract_threat(entity) then
        Gui.refresh_threat()
    end
    if Functions.biters_landfill(entity) then
        return
    end
    Game_over.silo_death(event)
end

local tick_minute_functions = {
    [300 * 1] = Ai.raise_evo,
    [300 * 2] = Ai.destroy_inactive_biters,
    [300 * 3 + 30 * 0] = Ai.pre_main_attack, -- setup for main_attack
    [300 * 3 + 30 * 1] = Ai.perform_main_attack, -- call perform_main_attack 7 times on different ticks
    [300 * 3 + 30 * 2] = Ai.perform_main_attack, -- some of these might do nothing (if there are no wave left)
    [300 * 3 + 30 * 3] = Ai.perform_main_attack,
    [300 * 3 + 30 * 4] = Ai.perform_main_attack,
    [300 * 3 + 30 * 5] = Ai.perform_main_attack,
    [300 * 3 + 30 * 6] = Ai.perform_main_attack,
    [300 * 3 + 30 * 7] = Ai.perform_main_attack,
    [300 * 3 + 30 * 8] = Ai.post_main_attack,
    [300 * 4] = Ai.send_near_biters_to_silo,
    [300 * 5] = Ai.wake_up_sleepy_groups
}

local function on_tick()
    Mirror_terrain.ticking_work()

    local tick = game.tick

    if tick % 60 == 0 then
        global.bb_threat['north_biters'] = global.bb_threat['north_biters'] + global.bb_threat_income['north_biters']
        global.bb_threat['south_biters'] = global.bb_threat['south_biters'] + global.bb_threat_income['south_biters']
    end

    if tick % 180 == 0 then
        Gui.refresh()
    end

    if tick % 300 == 0 then
        Gui.spy_fish()

        if global.bb_game_won_by_team then
            Game_over.reveal_map()
            Game_over.server_restart()
            return
        end
    end

    if tick % 30 == 0 then
        local key = tick % 3600
        if tick_minute_functions[key] then
            tick_minute_functions[key]()
        end
    end
end

local function on_marked_for_deconstruction(event)
    if not event.entity.valid then
        return
    end
    if event.entity.name == 'fish' then
        event.entity.cancel_deconstruction(game.players[event.player_index].force.name)
    end
end

local function on_player_built_tile(event)
    local player = game.players[event.player_index]
    Terrain.restrict_landfill(player.surface, player, event.tiles)
end

local function on_player_mined_entity(event)
    Terrain.minable_wrecks(event)
end

local function on_chunk_generated(event)
    Terrain.generate(event)
    Mirror_terrain.add_chunk(event)
end

local function on_init()
    Init.tables()
    Init.initial_setup()
    Init.forces()
    Init.source_surface()
    Init.load_spawn()
end

local Event = require 'utils.event'
Event.add(defines.events.on_built_entity, on_built_entity)
Event.add(defines.events.on_chunk_generated, on_chunk_generated)
Event.add(defines.events.on_console_chat, on_console_chat)
Event.add(defines.events.on_entity_died, on_entity_died)
Event.add(defines.events.on_gui_click, on_gui_click)
Event.add(defines.events.on_marked_for_deconstruction, on_marked_for_deconstruction)
Event.add(defines.events.on_player_built_tile, on_player_built_tile)
Event.add(defines.events.on_player_joined_game, on_player_joined_game)
Event.add(defines.events.on_player_mined_entity, on_player_mined_entity)
Event.add(defines.events.on_research_finished, on_research_finished)
Event.add(defines.events.on_robot_built_entity, on_robot_built_entity)
Event.add(defines.events.on_tick, on_tick)
Event.on_init(on_init)

Event.add_event_filter(defines.events.on_entity_damaged, {filter = 'type', type = 'unit'})
Event.add_event_filter(defines.events.on_entity_damaged, {filter = 'type', type = 'unit-spawner'})
Event.add_event_filter(defines.events.on_entity_damaged, {filter = 'type', type = 'turret'})

require 'maps.biter_battles_v2.spec_spy'
require 'maps.biter_battles_v2.difficulty_vote'