--luacheck:ignore
local bb_config = require 'maps.biter_battles_v2.config'
local Force_health_booster = require 'modules.force_health_booster'
local Functions = require 'maps.biter_battles_v2.functions'
local Server = require 'utils.server'

local tables = require 'maps.biter_battles_v2.tables'
local food_values = tables.food_values
local force_translation = tables.force_translation
local enemy_team_of = tables.enemy_team_of

local minimum_modifier = 125
local maximum_modifier = 250
local player_amount_for_maximum_threat_gain = 20

function get_instant_threat_player_count_modifier()
    local current_player_count = #game.forces.north.connected_players + #game.forces.south.connected_players
    local gain_per_player = (maximum_modifier - minimum_modifier) / player_amount_for_maximum_threat_gain
    local m = minimum_modifier + gain_per_player * current_player_count
    if m > maximum_modifier then
        m = maximum_modifier
    end
    return m
end

local function set_biter_endgame_modifiers(force)
    if force.evolution_factor ~= 1 then
        return
    end
    local damage_mod = math.round((global.bb_evolution[force.name] - 1) * 0.50, 3)
    force.set_ammo_damage_modifier('melee', damage_mod)
    force.set_ammo_damage_modifier('biological', damage_mod)
    force.set_ammo_damage_modifier('artillery-shell', damage_mod)
    force.set_ammo_damage_modifier('flamethrower', damage_mod)
    force.set_ammo_damage_modifier('laser-turret', damage_mod)

    Force_health_booster.set_health_modifier(force.index, Functions.get_health_modifier(force))
end

local function get_enemy_team_of(team)
    if global.training_mode then
        return team
    else
        return enemy_team_of[team]
    end
end

local function print_feeding_msg(player, food, flask_amount)
    if not get_enemy_team_of(player.force.name) then
        return
    end

    local n = bb_config.north_side_team_name
    local s = bb_config.south_side_team_name
    if global.tm_custom_name['north'] then
        n = global.tm_custom_name['north']
    end
    if global.tm_custom_name['south'] then
        s = global.tm_custom_name['south']
    end
    local team_strings = {
        ['north'] = table.concat({'[color=120, 120, 255]', n, "'s[/color]"}),
        ['south'] = table.concat({'[color=255, 65, 65]', s, "'s[/color]"})
    }

    local colored_player_name =
        table.concat({'[color=', player.color.r * 0.6 + 0.35, ',', player.color.g * 0.6 + 0.35, ',', player.color.b * 0.6 + 0.35, ']', player.name, '[/color]'})
    local formatted_food = table.concat({'[color=', food_values[food].color, ']', food_values[food].name, ' juice[/color]', '[img=item/', food, ']'})
    local formatted_amount = table.concat({'[font=heading-1][color=255,255,255]' .. flask_amount .. '[/color][/font]'})

    if flask_amount >= 20 then
        local enemy = get_enemy_team_of(player.force.name)
        game.print(
            table.concat({colored_player_name, ' fed ', formatted_amount, ' flasks of ', formatted_food, ' to team ', team_strings[enemy], ' biters!'}),
            {r = 0.9, g = 0.9, b = 0.9}
        )
        Server.to_discord_bold(table.concat({player.name, ' fed ', flask_amount, ' flasks of ', food_values[food].name, ' to team ', enemy, ' biters!'}))
    else
        local target_team_text = 'the enemy'
        if global.training_mode then
            target_team_text = 'your own'
        end
        if flask_amount == 1 then
            player.print('You fed one flask of ' .. formatted_food .. ' to ' .. target_team_text .. " team's biters.", {r = 0.98, g = 0.66, b = 0.22})
        else
            player.print('You fed ' .. formatted_amount .. ' flasks of ' .. formatted_food .. ' to ' .. target_team_text .. " team's biters.", {r = 0.98, g = 0.66, b = 0.22})
        end
    end
end

local function add_stats(player, food, flask_amount, biter_force_name, evo_before_science_feed, threat_before_science_feed)
    local colored_player_name =
        table.concat({'[color=', player.color.r * 0.6 + 0.35, ',', player.color.g * 0.6 + 0.35, ',', player.color.b * 0.6 + 0.35, ']', player.name, '[/color]'})
    local formatted_food = table.concat({'[color=', food_values[food].color, '][/color]', '[img=item/', food, ']'})
    local formatted_amount = table.concat({'[font=heading-1][color=255,255,255]' .. flask_amount .. '[/color][/font]'})
    local n = bb_config.north_side_team_name
    local s = bb_config.south_side_team_name
    if global.tm_custom_name['north'] then
        n = global.tm_custom_name['north']
    end
    if global.tm_custom_name['south'] then
        s = global.tm_custom_name['south']
    end
    local team_strings = {
        ['north'] = table.concat({'[color=120, 120, 255]', n, '[/color]'}),
        ['south'] = table.concat({'[color=255, 65, 65]', s, '[/color]'})
    }
    if flask_amount > 1 then
        local tick = game.ticks_played
        local feed_time = math.round(tick, 0)
        local feed_time_mins = math.round(tick / (60 * 60), 0)
        local minute_unit = ''
        if feed_time_mins <= 1 then
            minute_unit = 'min'
        else
            minute_unit = 'mins'
        end

        local shown_feed_time_hours = ''
        local shown_feed_time_mins = ''
        shown_feed_time_mins = feed_time_mins .. minute_unit
        local formatted_feed_time = shown_feed_time_hours .. shown_feed_time_mins
        evo_before_science_feed = math.round(evo_before_science_feed * 100, 1)
        threat_before_science_feed = math.round(threat_before_science_feed, 0)
        local formatted_evo_after_feed = math.round(global.bb_evolution[biter_force_name] * 100, 1)
        local formatted_threat_after_feed = math.round(global.bb_threat[biter_force_name], 0)
        local evo_jump = table.concat({evo_before_science_feed .. ' to ' .. formatted_evo_after_feed})
        local threat_jump = table.concat({threat_before_science_feed .. ' to ' .. formatted_threat_after_feed})
        local evo_jump_difference = math.round(formatted_evo_after_feed - evo_before_science_feed, 1)
        local threat_jump_difference = math.round(formatted_threat_after_feed - threat_before_science_feed, 0)
        local line_log_stats_to_add = table.concat({formatted_amount .. ' ' .. formatted_food .. ' by ' .. colored_player_name .. ' to '})
        local team_name_fed_by_science = get_enemy_team_of(player.force.name)

        if global.science_logs_total_north == nil then
            global.science_logs_total_north = {0}
            global.science_logs_total_south = {0}
            for a = 1, 7 do
                table.insert(global.science_logs_total_north, 0)
                table.insert(global.science_logs_total_south, 0)
            end
        end

        local total_science_of_player_force = nil
        if player.force.name == 'north' then
            total_science_of_player_force = global.science_logs_total_north
        else
            total_science_of_player_force = global.science_logs_total_south
        end

        local indexScience = tables.food_long_to_short[food].indexScience
        total_science_of_player_force[indexScience] = total_science_of_player_force[indexScience] + flask_amount

        if global.science_logs_text then
            table.insert(global.science_logs_date, 1, formatted_feed_time)
            table.insert(global.science_logs_text, 1, line_log_stats_to_add)
            table.insert(global.science_logs_evo_jump, 1, evo_jump)
            table.insert(global.science_logs_evo_jump_difference, 1, evo_jump_difference)
            table.insert(global.science_logs_threat, 1, threat_jump)
            table.insert(global.science_logs_threat_jump_difference, 1, threat_jump_difference)
            table.insert(global.science_logs_fed_team, 1, team_name_fed_by_science)
            table.insert(global.science_logs_food_name, 1, food)
        else
            global.science_logs_date = {formatted_feed_time}
            global.science_logs_text = {line_log_stats_to_add}
            global.science_logs_evo_jump = {evo_jump}
            global.science_logs_evo_jump_difference = {evo_jump_difference}
            global.science_logs_threat = {threat_jump}
            global.science_logs_threat_jump_difference = {threat_jump_difference}
            global.science_logs_fed_team = {team_name_fed_by_science}
            global.science_logs_food_name = {food}
        end
    end
end

function set_evo_and_threat(flask_amount, food, biter_force_name)
    local decimals = 9
    local math_round = math.round

    local instant_threat_player_count_modifier = get_instant_threat_player_count_modifier()

    local food_value = food_values[food].value * global.difficulty_vote_value

    for a = 1, flask_amount, 1 do
        ---SET EVOLUTION
        local e2 = (game.forces[biter_force_name].evolution_factor * 100) + 1
        local diminishing_modifier = (1 / (10 ^ (e2 * 0.017))) / (e2 * 0.5)
        local evo_gain = (food_value * diminishing_modifier)
        global.bb_evolution[biter_force_name] = global.bb_evolution[biter_force_name] + evo_gain
        global.bb_evolution[biter_force_name] = math_round(global.bb_evolution[biter_force_name], decimals)
        if global.bb_evolution[biter_force_name] <= 1 then
            game.forces[biter_force_name].evolution_factor = global.bb_evolution[biter_force_name]
        else
            game.forces[biter_force_name].evolution_factor = 1
        end

        --ADD INSTANT THREAT
        local diminishing_modifier = 1 / (0.2 + (e2 * 0.018))
        global.bb_threat[biter_force_name] = global.bb_threat[biter_force_name] + (food_value * instant_threat_player_count_modifier * diminishing_modifier)
        global.bb_threat[biter_force_name] = math_round(global.bb_threat[biter_force_name], decimals)
    end

    --SET THREAT INCOME
    global.bb_threat_income[biter_force_name] = global.bb_evolution[biter_force_name] * 25

    set_biter_endgame_modifiers(game.forces[biter_force_name])
end

local function feed_biters(player, food)
    local enemy_force_name = get_enemy_team_of(player.force.name) ---------------
    --enemy_force_name = player.force.name

    local biter_force_name = enemy_force_name .. '_biters'

    local i = player.get_main_inventory()
    local flask_amount = i.get_item_count(food)
    if flask_amount == 0 then
        player.print('You have no ' .. food_values[food].name .. ' flask in your inventory.', {r = 0.98, g = 0.66, b = 0.22})
        return
    end

    i.remove({name = food, count = flask_amount})

    print_feeding_msg(player, food, flask_amount)
    local evolution_before_feed = global.bb_evolution[biter_force_name]
    local threat_before_feed = global.bb_threat[biter_force_name]

    set_evo_and_threat(flask_amount, food, biter_force_name)

    add_stats(player, food, flask_amount, biter_force_name, evolution_before_feed, threat_before_feed)
end

return feed_biters
