--@name
--@author
--@server

--[[
TODO: Custom HUD (health, armor, etc)
TODO: Grab binds from game instead of settings
TODO: Send viewmodel to client and create hologram of viewmodel
TODO: Let user open chatbox
--]]

do
    local function spectate(args)
        local function stopSpectate(reason)
            core:log(log.INFO, "Stopped spectating."..(#reason > 0 and "Reason: "..reason or ""))
            owner():setViewEntity()
            if loadHolo ~= nil then
                loadHolo:remove()
            end
        end
        
        local loadHolo = nil
        
        net.receive("LSFT-Stop-Spectate", function()
            stopSpectate(net.readString())
        end)
        
        net.receive("LSFT-Teleport-Spectate", function()
            local coords = net.readVector()
            teleport:tpteleport({coords.x, coords.y, coords.z})
            stopSpectate("")
        end)
        
        net.start("LSFT-Start-Spectate")
        
        if args[1] == nil then
            if not holograms.canSpawn() then
                core:log(log.ERROR, "Cannot spawn hologram for freecam!")
            end
            loadHolo = holograms.create(chip():getPos(), Angle(0,0,0), "models/hunter/blocks/cube025x025x025.mdl")
            loadHolo:setColor(Color(0,0,0,0))
            owner():setViewEntity(loadHolo)
            
            net.receive("LSFT-LoadHolo-Update", function()
                loadHolo:setPos(net.readVector())
            end)
            
            core:log(log.INFO, "Started spectating.")
            
            net.send()
            return
        end
        
        local target = core:get_entity(args[1])
        if target == nil then
            return
        end
        
        if target:isPlayer() then
            core:log(log.INFO, "Started spectating \""..target:getName().."\".")
            net.writeEntity(target)
            net.send()
            owner():setViewEntity(target)
        end
    end
    
    core.modules.spectate = {
        version = 1,
        desc = "Spectate players or freecam.",
        commands = {
            spectate = {
                func = spectate,
                usage = "spectate [ply]",
                desc = "Spectate a player in first person by specifying a player, or leave arguments empty for freecam.",
            },
        },
    }
    
    core.defaultconfig.spectate = {
        speed = 8,
        multiplier = 4
    }
end