--[[-- Commands Module - Spawn
    - Adds a command that allows players to teleport to their spawn point
    @commands Spawn
]]

local Commands = require("modules.exp_legacy.expcore.commands") --- @dep expcore.commands
local Roles = require("modules.exp_legacy.expcore.roles") --- @dep expcore.roles

local function teleport(player)
    local surface = player.surface
    local spawn = player.force.get_spawn_position(surface)
    local position = surface.find_non_colliding_position("character", spawn, 32, 1)
    -- return false if no new position
    if not position then
        return false
    end
    if player.vehicle then
        -- Teleport the entity
        local entity = player.vehicle
        local goto_position = surface.find_non_colliding_position(entity.name, position, 32, 1)
        -- Surface teleport can only be done for players and cars at the moment. (with surface as an peramitor it gives this error)
        if entity.type == "car" then
            entity.teleport(goto_position, surface)
        elseif surface.index == entity.surface.index then
            -- Try teleport the entity
            if not entity.teleport(goto_position) then
                player.driving = false
                player.teleport(position, surface)
            end
        end
    else
        -- Teleport the player
        player.teleport(position, surface)
    end

    return true
end

--- Teleport to spawn
-- @command go-to-spawn
-- @tparam[opt=self] LuaPlayer player the player to teleport to their spawn point
Commands.new_command("go-to-spawn", { "expcom-spawn.description" }, "Teleport to spawn")
    :add_param("player", true, "player-role-alive")
    :set_defaults{
        player = function(player)
            if player.connected and player.character and player.character.health > 0 then
                return player
            end
        end,
    }
    :add_alias("spawn", "tp-spawn")
    :register(function(player, action_player)
        if not action_player then
            return Commands.error{ "expcom-spawn.unavailable" }
        elseif action_player == player then
            if not teleport(player) then
                return Commands.error{ "expcom-spawn.unavailable" }
            end
        elseif Roles.player_allowed(player, "command/go-to-spawn/always") then
            if not teleport(action_player) then
                return Commands.error{ "expcom-spawn.unavailable" }
            end
        else
            return Commands.error{ "expcore-commands.unauthorized" }
        end
    end)