Minecraft Shadow Player in 1 Command

summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:"fill ~2 ~-3 ~-1 ~8 ~-1 ~2 stained_hardened_clay 15 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-1 ~8 ~-2 ~2 stained_glass 15 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:setblock ~1 ~-3 ~ wall_sign 4 replace {Text2:"{\\\"text\\\":\\\"Switch Egg\\\",\\\"color\\\":\\\"black\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/give @p minecraft:spawn_egg 1 65 {display:{Name:\\\\\\\"Switch\\\\\\\"},EntityTag:{id:\\\\\\\"Bat\\\\\\\"}}\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text2:"{\\\"text\\\":\\\"Shadow Egg\\\",\\\"color\\\":\\\"black\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/give @p minecraft:spawn_egg 1 65 {display:{Name:\\\\\\\"Shadow\\\\\\\"},EntityTag:{id:\\\\\\\"Bat\\\\\\\"}}\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"kill @e[name=Shadow,type=Bat]"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"execute @e[name=Shadow,type=Bat] ~ ~ ~ execute @p ~ ~ ~ summon ArmorStand ~ ~ ~ {CustomName:\\\"Shadow\\\",CustomNameVisible:1,NoBasePlate:1,NoGravity:1,ArmorItems:[{id:leather_boots,Count:1,tag:{display:{color:0}}},{id:leather_leggings,Count:1,tag:{display:{color:0}}},{id:leather_chestplate,Count:1,tag:{display:{color:0}}},{id:stained_glass,Damage:15,Count:1}]}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"kill @e[name=Switch]"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"execute @e[name=Switch] ~ ~ ~ execute @p ~ ~ ~ kill @e[name=Shadow,c=1]"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"execute @e[name=Switch] ~ ~ ~ execute @p ~ ~ ~ tp @p @e[name=Shadow,rm=1,c=1]"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"execute @e[name=Switch] ~ ~ ~ give @p minecraft:spawn_egg 1 65 {display:{Name:\\\"Switch\\\"},EntityTag:{id:\\\"Bat\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ repeating_command_block 5 replace {auto:1,Command:"execute @e[name=Switch] ~ ~ ~ execute @p ~ ~ ~ summon ArmorStand ~ ~ ~ {CustomName:\\\"Shadow\\\",CustomNameVisible:1,NoBasePlate:1,NoGravity:1,ArmorItems:[{id:leather_boots,Count:1,tag:{display:{color:0}}},{id:leather_leggings,Count:1,tag:{display:{color:0}}},{id:leather_chestplate,Count:1,tag:{display:{color:0}}},{id:stained_glass,Damage:15,Count:1}]}"}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}