### Create Cadet Branch ###
create_cadet_branch_decision = {
	picture = {
		trigger = {
			government_is_japanese_trigger = yes
		}
		reference = "gfx/interface/illustrations/decisions/tgp_poet.dds"
	}
	picture = {
		reference = "gfx/interface/illustrations/decisions/decision_dynasty_house.dds"
	}

	decision_group_type = major
	ai_check_interval_by_tier = {
		barony = 0
		county = 12
		duchy = 6
		kingdom = 1
		empire = 1
		hegemony = 1
	}

	is_shown = {
		highest_held_title_tier > tier_barony
		government_allows = rulers_should_have_dynasty
		is_house_head = no
		NOR = {
			AND = {
				has_council_position = councillor_court_chaplain
				rite ?= { rite_has_doctrine = doctrine_theocracy_temporal }
			}
			AND = {
				tgp_is_in_ceremonial_house_trigger = yes
				has_tgp_dlc_trigger = yes
			}
		}
		exists = house.house_head
		is_playable_character = yes
	}

	is_valid = {
		is_adult = yes
		government_allows = create_cadet_branches
		# Must have living children of same house
		custom_tooltip = {
			text = create_cadet_branch_decision_living_children
			any_child = {
				count >= 1
				is_alive = yes
				house ?= root.house
			}
		}
		# No direct descendant is liege or above
		custom_tooltip = {
			text = create_cadet_branch_decision_liege_is_descendant
			any_liege_or_above_is_descendant = no
		}
		# If you are Clan, you cannot be in the same realm as your House Head. For simplicity, we'll just force you to be independent.
		trigger_if = {
			limit = {
				government_has_flag = government_is_clan
			}
			top_liege = this
		}
		# If you are Administrative, we let the player create a new House much easier, as to have easy access to their own Family Title and Estate.
		trigger_else_if = {
			limit = { government_allows = noble_families }
			trigger_if = {
				limit = {
					is_ai = yes # We don't want the AI to create cadet branches willy nilly, so they have additional restrictions.
					top_liege = house.house_head.top_liege # But we do want the AI to create a cadet branch ASAP if the house head is in a different realm
				}
				NOT = { is_close_or_extended_family_of = house.house_head }
				custom_description = {
					text = create_cadet_branch_decision_succession_line
					house.house_head = {
						NOT = {
							any_held_title = {
								place_in_line_of_succession = {
									target = root
									value <= 3
								}
							}
						}
					}
				}
				highest_held_title_tier >= main_administrative_tier
			}
			# No triggers for players.
		}
		# For everyone else, you cannot be too close in the line of succession.
		trigger_else = {
			custom_description = {
				text = create_cadet_branch_decision_succession_line
				house.house_head = {
					NOT = {
						any_held_title = {
							place_in_line_of_succession = {
								target = root
								value <= 3
							}
						}
					}
				}
			}
		}
		# only feudal or japanese ruler create branch when liege is househead.
		trigger_if = {
			limit = {
				government_is_japanese_trigger = no
				NOT = { government_has_flag = government_is_feudal }
			}
			NOT = { target_is_liege_or_above = house.house_head }
		}
		# Marriage restrictions
		trigger_if = {
			limit = { is_male = yes }
			trigger_if = {
				limit = {
					OR = {
						is_married = yes
						rite = { rite_has_doctrine = doctrine_gender_female_dominated }
					}
				}
				patrilinear_marriage = yes
			}
		}
		trigger_else = {
			trigger_if = {
				limit = {
					OR = {
						is_married = yes
						rite = { rite_has_doctrine = doctrine_gender_male_dominated }
					}
				}
				matrilinear_marriage = yes
			}
		}
		# Monks need not apply
		trigger_if = {
			limit = { has_trait = devoted }
			NOT = { has_trait = devoted }
		}
		trigger_if = {
			limit = { has_trait = bastard }
			NOT = { has_trait = bastard }
		}
	}

	is_valid_showing_failures_only = {
		is_available_adult = yes
		is_playable_character = yes
	}

	effect = {
		house.house_head ?= { save_scope_as = old_head }
		if = {
			limit = {
				has_tgp_dlc_trigger = yes
				culture = {
					OR = {
						has_cultural_pillar = language_japonic
						has_name_list = name_list_yamato
					}
				}
			}
			add_character_flag = found_cadet_branch
			trigger_event = tgp_japan_decision.9001
			show_as_tooltip = {
				create_cadet_branch = { save_scope_as = new_house }
				if = {
					limit = { government_allows = create_cadet_branches }
					create_noble_family_effect = { GOVERNMENT_GIVER = scope:old_head }
				}
			}
		}
		else = {
			found_cadet_house_decision_effect = {
				CHARACTER = root
				PRESTIGE = major_prestige_gain
			}
		}
	}

	ai_potential = {
		any_child = { is_alive = yes } # move it beforehand for performance reason
		trigger_if = {
			limit = {
				# always allow branch if in different realm, they need the estate.
				NAND = {
					government_allows = noble_families
					trigger_if = {
						limit = { exists = house.house_head.liege }
						house.house_head.liege != root
					}
				}
			}
			# Childless rulers should not found houses
			any_child = {
				is_alive = yes
				count >= 3
			}
			NOR = {
				# Stop stealing player's house members
				any_player = {
					OR = {
						any_child = {
							OR = {
								is_child_of = root
								is_grandchild_of = root
								is_great_grandchild_of = root
							}
						}
						any_child = {
							even_if_dead = yes
							any_child = {
								OR = {
									is_child_of = root
									is_grandchild_of = root
									is_great_grandchild_of = root
								}
							}
						}
						any_child = {
							even_if_dead = yes
							any_child = {
								even_if_dead = yes
								any_child = {
									OR = {
										is_child_of = root
										is_grandchild_of = root
										is_great_grandchild_of = root
									}
								}
							}
						}
					}
				}
			}
			years_from_game_start >= 5
		}
	}

	ai_will_do = {
		base = 30

		modifier = { # Dukes and above are more keen
			add = {
				value = primary_title.tier
				subtract = tier_county
				multiply = 20
			}
		}

		# we don't want AI to split from their House unless they dislike their house head
		modifier = {
			add = {
				value = 0
				subtract = "opinion(house.house_head)"
			}
		}

		# If an admin top liege ever ends up having their house head in a different realm, they should create a cadet branch ASAP
		modifier = {
			add = 1000
			government_allows = noble_families
			liege = this
			trigger_if = {
				limit = { exists = house.house_head.liege }
				house.house_head.liege != root
			}
		}

		### TGP

		modifier = { # Prefer not to branch away from ruling close family
			government_is_japanese_trigger = yes
			top_liege.primary_title = {
				any_past_holder = { is_close_family_of = root }
			}
			add = -20
		}

		modifier = { # Prefer to branch away from leading house if distant to split up blocs
			government_is_japanese_trigger = yes
			is_landed = yes
			top_liege.house = root.house
			NOT = { is_close_or_extended_family_of = top_liege }
			add = 50
		}

		modifier = { # Prefer to branch away from house head
			government_is_japanese_trigger = yes
			NOT = { is_close_or_extended_family_of = house.house_head }
			add = 50
		}

		modifier = { # Ruler should not break family apart
			government_is_japanese_trigger = yes
			is_independent_ruler = yes
			house.house_head ?= { is_vassal_or_below_of = root }
			add = -1000
		}

		modifier = { # Close and extended family prefer to stay with Ritsuryo house heads
			government_is_japanese_trigger = yes
			government_allows = noble_families
			OR = {
				is_close_or_extended_family_of = house.house_head
				AND = {
					top_liege.house ?= house
					is_close_or_extended_family_of = top_liege
				}
				house.house_head = {
					any_held_title = {
						is_noble_family_title = yes
						any_past_holder = { is_close_or_extended_family_of = root }
					}
				}
			}
			add = -1000
		}
	}
}