armor_ENG = {

	available_for = {
		ENG
	}
	
	role = armor

	upgrade_prio = {
		factor = 2

		modifier = {
			factor = 5
			OR = {
				has_tech = basic_medium_tank
				has_tech = basic_medium_tank_chassis
			}
		}
		
		modifier = {
			factor = 2
			OR = {
				has_tech = main_battle_tank
				has_tech = main_battle_tank_chassis
			}
		}
	}

	light_armor_default_ENG = {
		# Intermediate template to get the AI to understand how to transition to the next one
		upgrade_prio = {
			factor = 1

			modifier = {
				factor = 3
				date < 1938.1.1
			}
		}

		target_template = {

			support = {
				engineer = 1
				mot_recon = 1
			}

			regiments = {
				light_armor = 3
				motorized = 3
			}
		}

		replace_at_match = 0.9
		replace_with = light_armor_2_ENG
		target_min_match = 0.3
	}

	light_armor_2_ENG = {
	
		upgrade_prio = {
			factor = 1

			modifier = {
				factor = 1.5
				OR = {
					has_tech = basic_light_tank
					has_tech = basic_light_tank_chassis
				}
			}

			modifier = {
				factor = 1.5
				OR = {
					has_tech = improved_light_tank
					has_tech = improved_light_tank_chassis
				}
			}
		}
		
		target_template = {
			
			support = {
				engineer = 1
				mot_recon = 1
				logistics_company = 1
			}

			regimental_support = {
				anti_air_battery = 1
				anti_tank_battery = 1
			}
			
			regiments = {
				light_armor = 3
				motorized = 4
			}
		}
		
		replace_at_match = 0.8
		replace_with = medium_armor_early_ENG
		target_min_match = 0.5  # This prevents ENG from switching over to medium tanks until upgrade_prio takes over (this is a good thing). This is because the light tank target template is so different from the medium tank template, the match score is ca 0.10-0.15 something.
	}
	
	medium_armor_early_ENG = {
	
		upgrade_prio = {
			factor = 1

			modifier = {
				factor = 3
				OR = {
					has_tech = basic_medium_tank
					has_tech = basic_medium_tank_chassis
				}
			}
		}

		target_template = {
			
			support = {
				engineer = 1
				mot_recon = 1
				logistics_company = 1
			}

			regimental_support = {
				anti_air_battery = 1
				anti_tank_battery = 1
			}
			
			regiments = {
				light_armor = 3			
				medium_armor = 1
				motorized = 4
			}
		}
		
		replace_at_match = 0.8
		replace_with = medium_armor_default_ENG
		target_min_match = 0.5  # This prevents ENG from switching over to medium tanks until upgrade_prio takes over (this is a good thing). This is because the light tank target template is so different from the medium tank template, the match score is ca 0.10-0.15 something.
	}

	medium_armor_default_ENG = {
	
		upgrade_prio = {
			factor = 1

			modifier = {
				factor = 4
				OR = {
					has_tech = basic_medium_tank
					has_tech = basic_medium_tank_chassis
				}
			}
			
			modifier = {
				factor = 0.1
				num_of_military_factories < 110
			}
		}

		target_template = {
			
			support = {
				engineer = 1
				mot_recon = 1
				logistics_company = 1
			}
			
			regimental_support = {
				anti_air_battery = 1
				anti_tank_battery = 1
			}

			regiments = {
				medium_armor = 4
				motorized = 6
				mot_artillery_brigade = 1
			}
		}
		
		replace_at_match = 0.9
		replace_with = medium_armor_2_ENG
		target_min_match = 0.8  # Prevents premature upgrade to medium_armor_2_ENG, will wait for the upgrade_prio instead
	}

	medium_armor_2_ENG = {
	
		upgrade_prio = {
			factor = 1

			modifier = {
				factor = 3.5
				OR = {
					has_tech = improved_medium_tank
					has_tech = improved_medium_tank_chassis
				}
			}

			modifier = {
				factor = 0.1
				num_of_military_factories < 150
			}
		}
		
		target_template = {
			
			support = {
				engineer = 1
				maintenance_company = 1
				logistics_company = 1
				light_tank_recon = 1
				signal_company = 1
			}
			
			regimental_support = {
				mot_fire_support = 2
				anti_air_battery = 1
				anti_tank_battery = 1
			}

			regiments = {
				medium_armor = 4
				motorized = 8
				mot_artillery_brigade = 2  
				mot_anti_air_brigade = 1
			}
		}
		
		replace_at_match = 0.9
		replace_with = modern_armor_default_ENG
		target_min_match = 0.8
	}

	modern_armor_default_ENG = {
	
		upgrade_prio = {
			factor = 1

			modifier = {
				factor = 4
				OR = {
					has_tech = main_battle_tank
					has_tech = main_battle_tank_chassis
				}
			}

			modifier = {
				factor = 0.1
				num_of_military_factories < 150
			}
		}

		target_template = {
			
			support = {
				engineer = 1
				maintenance_company = 1
				logistics_company = 1
				light_tank_recon = 1
				signal_company = 1
			}
			
			regimental_support = {
				mot_fire_support = 2
			}

			regiments = {
				modern_armor = 3
				motorized = 3
				mechanized = 3
				mot_artillery_brigade = 1  # TODO this should be SP-ART when AI actually designs that
				mot_anti_air_brigade = 1
				mot_anti_tank_brigade = 1
				# medium_sp_artillery_brigade = 2
				# medium_tank_destroyer_brigade = 1
			}
		}
	}
}

infantry_ENG = {

	available_for = {
		ENG
	}
	
	role = infantry
	
	upgrade_prio = {
		factor = 8

		modifier = {
			factor = 1
		}
	}

	infantry_default_ENG = {
	
		upgrade_prio = {
			factor = 2

			modifier = {
				factor = 1
			}
		}
		
		target_template = {
			
			support = {
				engineer = 1
				recon = 1
			}
			
			regimental_support = {
				anti_tank_battery = 1
				fire_support = 1
				field_guns = 1
			}

			regiments = {
				infantry = 9
				artillery_brigade = 1
			}
		}

		replace_at_match = 0.9
		replace_with = infantry_improved_ENG
		target_min_match = 0.9
	}

	infantry_improved_ENG = {
	
		upgrade_prio = {
			factor = 2

			modifier = {
				factor = 1
			}
		}
		
		target_template = {
			
			support = {
				engineer = 1
				recon = 1
				field_hospital = 1
			}

			regimental_support = {
				anti_tank_battery = 1
				anti_air_battery = 1
				fire_support = 1
			}
			
			regiments = {
				infantry = 9
				artillery_brigade = 2
			}
		}
	}
}

mountaineers_ENG = {

	available_for = {
		ENG
	}
	
	role = mountaineers
	
	upgrade_prio = {
		factor = 2

		modifier = {
			factor = 0
			NOT = {
				has_tech = tech_mountaineers
			}
		}
	}

	mountaineers_default_ENG = {
	
		upgrade_prio = {
			factor = 2

			modifier = {
				factor = 1
			}
		}

		target_template = {
			
			support = {
				engineer = 1
				artillery = 1
				logistics_company = 1
				recon = 1
			}

			regimental_support = {
				anti_tank_battery = 1
				fire_support = 1
			}
			
			regiments = {
				mountaineers = 9
			}
		}
	}
}

marines_ENG = {

	available_for = {
		ENG
	}
	
	role = marines
	
	upgrade_prio = {
		factor = 4

		modifier = {
			factor = 0
			NOT = {
				has_tech = marines
			}
		}
	}

	marine_default_ENG = {
		upgrade_prio = {
			factor = 2

			modifier = {
				factor = 1
			}
		}

		target_template = {
			
			support = {
				recon = 1
				logistics_company = 1
				engineer = 1
				artillery = 1
			}
			
			regimental_support = {
				anti_tank_battery = 1
				fire_support = 1
			}

			regiments = {
				marine = 9
			}
		}
	}
}

paratrooper_ENG = {

	available_for = {
		ENG
	}
	
	role = paratroopers
	
	upgrade_prio = {
		factor = 2

		modifier = {
			factor = 0
			NOT = {
				has_tech = paratroopers
			}
		}
	}

	paratrooper_default_ENG = {
			
		upgrade_prio = {
			factor = 2

			modifier = {
				factor = 1
			}
		}

		target_template = {
			
			support = {
				engineer = 1
				field_hospital = 1	
			}

			regimental_support = {
				anti_tank_battery = 1
				field_guns = 1
			}
			
			regiments = {
				paratrooper = 9
			}
		}
	}
	
}

garrison_ENG = {

	available_for = {
		ENG
	}
	
	role = garrison
	
	upgrade_prio = {
		base = 0.5

		modifier = {
			factor = 20
			NOT = { ai_has_role_template = garrison }
		}
	}
	
	garrison_ENG = {
	
		upgrade_prio = {
			factor = 2

			modifier = {
				factor = 1
			}
		}
		
		reinforce_prio = 0
		custom_icon = 7
		
		target_template = {
			
			support = {
				engineer = 1
			}
			
			regiments = {
				infantry = 6
			}
		}
	}
}

# Non-complete list of sub-units

# REGIMENTS:
# - infantry
# - light_armor
# - medium_armor
# - heavy_armor
# - super_heavy_armor
# - modern_armor
# - cavalry
# - motorized
# - mechanized
# - marine
# - mountaineers
# - paratrooper
# - artillery_brigade
# - anti_air_brigade
# - anti_tank_brigade
# - light_tank_destroyer_brigade
# - medium_tank_destroyer_brigade
# - heavy_tank_destroyer_brigade
# - super_heavy_tank_destroyer_brigade
# - modern_tank_destroyer_brigade
# - light_sp_anti_air_brigade
# - light_sp_artillery_brigade

# SUPPORT (DIVISIONAL):
# - engineer (and variants: assault_engineer, armored_engineer)
# - recon (and variants: mot_recon, armored_car_recon, light_tank_recon)
# - signal_company / maintenance_company / logistics_company
# - artillery / rocket_artillery
# - field_hospital / military_police / hq_support_company

# SUPPORT (REGIMENTAL):
# - anti_air
# - anti_tank
# - field_guns
# - fire_support
# - mot_fire_support
# - rocket_battery