Autofisher in one 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 ~-2 ~8 ~1 ~2 stained_hardened_clay 4 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-2 ~8 ~ ~2 stained_glass 7 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:" gamerule commandBlockOutput false"},{id:MinecartCommandBlock,Command:" scoreboard objectives add ntick dummy"},{id:MinecartCommandBlock,Command:" scoreboard objectives add nremove dummy"},{id:MinecartCommandBlock,Command:" scoreboard objectives add nfuel dummy"},{id:MinecartCommandBlock,Command:" scoreboard objectives add iscoal dummy"},{id:MinecartCommandBlock,Command:" scoreboard objectives add ispick dummy"},{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"Destroy Machine\\\",\\\"color\\\":\\\"red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"tellraw @p [\\\\\\\"\\\\\\\",{\\\\\\\"text\\\\\\\":\\\\\\\"Thanks for playing with my command!\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"green\\\\\\\"}]\\\"}}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-2 ~-2 ~7 ~2 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:"scoreboard objectives add a5RmuQ_I dummy"},{id:MinecartCommandBlock,Command:setblock ~7 ~ ~ repeating_command_block 4 replace {auto:1,Command:" execute @e[type=Item,score_ispick_min=1] ~ ~ ~ kill @e[type=ArmorStand,name=FishNexus,r=0]"}},{id:MinecartCommandBlock,Command:setblock ~7 ~ ~-1 repeating_command_block 3 replace {auto:1,Command:" execute @e[type=ArmorStand,name=FishNexus,score_nfuel_min=1] ~ ~ ~ tp @e[type=ArmorStand,name=AFSlab,r=0] ~ ~ ~ ~5 ~ "}},{id:MinecartCommandBlock,Command:setblock ~6 ~ ~-1 chain_command_block 5 replace {auto:1,Command:"execute @e[type=ArmorStand,name=FishNexus] ~ ~ ~ kill @e[type=Item,score_iscoal=1,r=1]"}},{id:MinecartCommandBlock,Command:setblock ~5 ~ ~-1 repeating_command_block 5 replace {auto:1,Command:" execute @e[type=ArmorStand,name=FishNexus] ~ ~ ~ execute @e[type=Item,score_iscoal_min=1,r=1] ~ ~ ~ scoreboard players add @e[type=ArmorStand,name=FishNexus,r=1] nfuel 1"}},{id:MinecartCommandBlock,Command:setblock ~4 ~ ~-1 chain_command_block 5 replace {auto:1,Command:"scoreboard players set @e[type=ArmorStand,name=FishNexus,score_ntick_min=300] ntick 0"}},{id:MinecartCommandBlock,Command:setblock ~3 ~ ~-1 chain_command_block 5 replace {auto:1,Command:"scoreboard players remove @e[type=ArmorStand,name=FishNexus,score_ntick_min=300,score_nfuel_min=1] nfuel 1"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~-1 chain_command_block 1 replace {auto:1,Command:"execute @e[type=ArmorStand,name=FishNexus,score_ntick_min=300,score_nfuel_min=1] ~ ~ ~ summon Item ~ ~2 ~ {Item:{id:fish,Count:1}}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-1 ~-1 chain_command_block 4 replace {auto:1,Command:"execute @e[type=ArmorStand,name=FishNexus,score_nfuel_min=1] ~ ~ ~ detect ~ ~-3 ~ water 0 scoreboard players add @e[type=ArmorStand,name=FishNexus,r=0] ntick 1"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-1 ~-1 chain_command_block 4 replace {auto:1,Command:"execute @e[type=ArmorStand,name=FishNexus,score_nfuel_min=1] ~ ~ ~ detect ~ ~-2 ~ water 0 scoreboard players add @e[type=ArmorStand,name=FishNexus,r=0] ntick 1"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~-1 chain_command_block 4 replace {auto:1,Command:"execute @e[type=ArmorStand,name=FishNexus,score_nfuel_min=1] ~ ~ ~ detect ~ ~-1 ~ water 0 scoreboard players add @e[type=ArmorStand,name=FishNexus,r=0] ntick 1"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~-1 repeating_command_block 4 replace {auto:1,Command:" execute @e[type=ArmorStand,name=FishNexus,score_nfuel_min=1] ~ ~ ~ detect ~ ~-0.8 ~ water 0 scoreboard players add @e[type=ArmorStand,name=FishNexus,r=0] ntick 1"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~ chain_command_block 2 replace {auto:1,Command:"execute @e[type=ArmorStand,name=FishNexus,score_nfuel_min=1] ~ ~ ~ particle smoke ~ ~-1.25 ~ 0 -1 0 0 50"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"kill @e[score_nremove_min=1,type=ArmorStand,name=AFT]"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"execute @e[score_nremove_min=1,type=ArmorStand,name=AFT] ~ ~ ~ summon Item ~ ~1 ~ {Item:{id:spawn_egg,Damage:50,Count:1,tag:{display:{Name:\\\"Autofisher\\\"},EntityTag:{id:\\\"Bat\\\"}}}}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"kill @e[score_nremove_min=1,type=ArmorStand,name=AFSlab]"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"execute @e[type=ArmorStand,name=FishNexus] ~ ~ ~ scoreboard players set @e[type=ArmorStand,name=AFT,r=1] nremove 0"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~1 chain_command_block 2 replace {auto:1,Command:"execute @e[type=ArmorStand,name=FishNexus] ~ ~ ~ scoreboard players set @e[type=ArmorStand,name=AFSlab,r=0] nremove 0"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"scoreboard players set @e[type=ArmorStand,name=AFT] nremove 1"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"scoreboard players set @e[type=ArmorStand,name=AFSlab] nremove 1"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"kill @e[type=Bat,name=Autofisher]"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"execute @e[type=Bat,name=Autofisher] ~ ~ ~ summon ArmorStand ~ ~ ~ {Invisible:1b,Invulnerable:1b,PersistenceRequired:1b,NoGravity:1b,DisabledSlots:2031616,CustomName:\\\"AFT\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 1 replace {auto:1,Command:"execute @e[type=Bat,name=Autofisher] ~ ~ ~ summon ArmorStand ~ ~-0.2 ~ {Invisible:1b,PersistenceRequired:1b,NoGravity:1b,Small:1b,ArmorItems:[{},{},{},{id:\\\"skull\\\",Count:1b,Damage:3b,tag:{SkullOwner:\\\"Asiankid2004\\\"}}],HandItems:[{},{}],DisabledSlots:2035728,CustomName:\\\"FishNexus\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"execute @e[type=Bat,name=Autofisher] ~ ~ ~ summon ArmorStand ~ ~-1 ~ {Invisible:1b,Invulnerable:1b,PersistenceRequired:1b,NoGravity:1b,ArmorItems:[{},{},{},{id:\\\"stone_slab\\\",Count:1b}],HandItems:[{},{}],DisabledSlots:2035728,CustomName:\\\"AFSlab\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"execute @e[type=Bat,name=Autofisher] ~ ~ ~ summon ArmorStand ~ ~-0.5 ~ {Invisible:1b,Invulnerable:1b,PersistenceRequired:1b,NoGravity:1b,ArmorItems:[{},{},{},{id:\\\"stone_slab\\\",Count:1b}],HandItems:[{},{}],DisabledSlots:2035728, CustomName:\\\"AFSlab\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"scoreboard players set @e[type=Item] ispick 1 {Item:{id:\\\"minecraft:diamond_pickaxe\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"scoreboard players set @e[type=Item] ispick 1 {Item:{id:\\\"minecraft:golden_pickaxe\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"scoreboard players set @e[type=Item] ispick 1 {Item:{id:\\\"minecraft:iron_pickaxe\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"scoreboard players set @e[type=Item] ispick 1 {Item:{id:\\\"minecraft:stone_pickaxe\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"scoreboard players set @e[type=Item] ispick 1 {Item:{id:\\\"minecraft:wooden_pickaxe\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"scoreboard players set @e[type=Item] iscoal 1 {Item:{id:\\\"minecraft:coal\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"execute @e[score_a5RmuQ_I_min=1,score_a5RmuQ_I=1] ~ ~ ~ execute @e[score_a5RmuQ_I_min=2,score_a5RmuQ_I=2,r=1] ~ ~ ~ execute @e[score_a5RmuQ_I_min=3,score_a5RmuQ_I=3,r=1] ~ ~ ~ execute @e[score_a5RmuQ_I_min=4,score_a5RmuQ_I=4,r=1] ~ ~ ~ kill @e[type=Item,r=3,score_a5RmuQ_I_min=1,score_a5RmuQ_I=5]"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~-1 chain_command_block 3 replace {auto:1,Command:"execute @e[score_a5RmuQ_I_min=1,score_a5RmuQ_I=1] ~ ~ ~ execute @e[score_a5RmuQ_I_min=2,score_a5RmuQ_I=2,r=1] ~ ~ ~ execute @e[score_a5RmuQ_I_min=3,score_a5RmuQ_I=3,r=1] ~ ~ ~ execute @e[score_a5RmuQ_I_min=4,score_a5RmuQ_I=4,r=1] ~ ~ ~ summon Item ~ ~0.5 ~ {Item:{id:minecraft:spawn_egg,tag:{display:{Name:\\\"Autofisher\\\"},EntityTag:{id:\\\"Bat\\\"}},Count:1}}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"scoreboard players set @e a5RmuQ_I 4 {Item:{id:minecraft:fishing_rod},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"scoreboard players set @e a5RmuQ_I 3 {Item:{id:minecraft:diamond},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"scoreboard players set @e a5RmuQ_I 2 {Item:{id:minecraft:redstone_block},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 repeating_command_block 5 replace {auto:1,Command:"scoreboard players set @e a5RmuQ_I 1 {Item:{id:minecraft:iron_block},OnGround:1b}"}},{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]}]}]}]}