package main

import (
	"context"
	"log/slog"

	"github.com/jackc/pgx/v5/pgxpool"
)

// initSchema creates the normalized inventory schema on an ingest-owned database
// (a faithful replica of inventory-service/database.py). Run only when this
// instance owns its DB (READ_ONLY=false) — never against production. Idempotent;
// logs and continues per statement.
func initSchema(ctx context.Context, pool *pgxpool.Pool, log *slog.Logger) {
	stmts := []string{
		`CREATE TABLE IF NOT EXISTS items (
			id SERIAL PRIMARY KEY,
			character_name VARCHAR(50) NOT NULL,
			item_id BIGINT NOT NULL,
			timestamp TIMESTAMP NOT NULL,
			name VARCHAR(200) NOT NULL,
			icon INTEGER NOT NULL,
			object_class INTEGER NOT NULL,
			value INTEGER DEFAULT 0,
			burden INTEGER DEFAULT 0,
			current_wielded_location INTEGER DEFAULT 0,
			container_id BIGINT DEFAULT 0,
			slot INTEGER DEFAULT -1,
			bonded INTEGER DEFAULT 0,
			attuned INTEGER DEFAULT 0,
			"unique" BOOLEAN DEFAULT false,
			stack_size INTEGER DEFAULT 1,
			max_stack_size INTEGER DEFAULT 1,
			items_capacity INTEGER,
			containers_capacity INTEGER,
			structure INTEGER,
			max_structure INTEGER,
			rare_id INTEGER,
			lifespan INTEGER,
			remaining_lifespan INTEGER,
			has_id_data BOOLEAN DEFAULT false,
			last_id_time BIGINT DEFAULT 0,
			CONSTRAINT uq_char_item UNIQUE (character_name, item_id)
		)`,
		`CREATE INDEX IF NOT EXISTS ix_items_character_name ON items (character_name)`,
		`CREATE INDEX IF NOT EXISTS ix_items_name ON items (name)`,
		`CREATE INDEX IF NOT EXISTS ix_items_object_class ON items (object_class)`,
		`CREATE INDEX IF NOT EXISTS ix_items_current_wielded_location ON items (current_wielded_location)`,

		`CREATE TABLE IF NOT EXISTS item_combat_stats (
			item_id INTEGER PRIMARY KEY REFERENCES items(id),
			max_damage INTEGER, damage INTEGER, damage_type INTEGER, damage_bonus DOUBLE PRECISION,
			elemental_damage_bonus INTEGER, elemental_damage_vs_monsters DOUBLE PRECISION, variance DOUBLE PRECISION,
			cleaving INTEGER, crit_damage_rating INTEGER, damage_over_time INTEGER,
			attack_bonus DOUBLE PRECISION, weapon_time INTEGER, weapon_skill INTEGER,
			armor_level INTEGER, shield_value INTEGER, melee_defense_bonus DOUBLE PRECISION,
			missile_defense_bonus DOUBLE PRECISION, magic_defense_bonus DOUBLE PRECISION,
			resist_magic INTEGER, crit_resist_rating INTEGER, crit_damage_resist_rating INTEGER,
			dot_resist_rating INTEGER, life_resist_rating INTEGER, nether_resist_rating INTEGER,
			heal_over_time INTEGER, healing_resist_rating INTEGER, mana_conversion_bonus DOUBLE PRECISION,
			pk_damage_rating INTEGER, pk_damage_resist_rating INTEGER, gear_pk_damage_rating INTEGER,
			gear_pk_damage_resist_rating INTEGER,
			base_armor_level INTEGER, base_max_damage INTEGER, base_attack_bonus DOUBLE PRECISION,
			base_melee_defense_bonus DOUBLE PRECISION, base_elemental_damage_vs_monsters DOUBLE PRECISION,
			base_mana_conversion_bonus DOUBLE PRECISION
		)`,
		`CREATE INDEX IF NOT EXISTS ix_combat_armor ON item_combat_stats (armor_level)`,

		`CREATE TABLE IF NOT EXISTS item_requirements (
			item_id INTEGER PRIMARY KEY REFERENCES items(id),
			wield_level INTEGER, wield_requirement INTEGER, skill_level INTEGER,
			lore_requirement INTEGER, equip_skill VARCHAR(50), mastery VARCHAR(50)
		)`,
		`CREATE INDEX IF NOT EXISTS ix_req_level ON item_requirements (wield_level)`,

		`CREATE TABLE IF NOT EXISTS item_enhancements (
			item_id INTEGER PRIMARY KEY REFERENCES items(id),
			material VARCHAR(50), imbue VARCHAR(50), tinks INTEGER, workmanship DOUBLE PRECISION,
			salvage_workmanship DOUBLE PRECISION, num_times_tinkered INTEGER DEFAULT 0,
			free_tinkers_bitfield INTEGER, num_items_in_material INTEGER,
			imbue_attempts INTEGER DEFAULT 0, imbue_successes INTEGER DEFAULT 0,
			imbued_effect2 INTEGER, imbued_effect3 INTEGER, imbued_effect4 INTEGER, imbued_effect5 INTEGER,
			imbue_stacking_bits INTEGER, item_set VARCHAR(100), equipment_set_extra INTEGER,
			aetheria_bitfield INTEGER, heritage_specific_armor INTEGER, shared_cooldown INTEGER
		)`,
		`CREATE INDEX IF NOT EXISTS ix_enh_material_set ON item_enhancements (material, item_set)`,

		`CREATE TABLE IF NOT EXISTS item_ratings (
			item_id INTEGER PRIMARY KEY REFERENCES items(id),
			damage_rating INTEGER, damage_resist_rating INTEGER, crit_rating INTEGER,
			crit_resist_rating INTEGER, crit_damage_rating INTEGER, crit_damage_resist_rating INTEGER,
			heal_boost_rating INTEGER, vitality_rating INTEGER, healing_rating INTEGER,
			mana_conversion_rating INTEGER, weakness_rating INTEGER, nether_over_time INTEGER,
			healing_resist_rating INTEGER, nether_resist_rating INTEGER, dot_resist_rating INTEGER,
			life_resist_rating INTEGER, sneak_attack_rating INTEGER, recklessness_rating INTEGER,
			deception_rating INTEGER, pk_damage_rating INTEGER, pk_damage_resist_rating INTEGER,
			gear_pk_damage_rating INTEGER, gear_pk_damage_resist_rating INTEGER,
			gear_damage INTEGER, gear_damage_resist INTEGER, gear_crit INTEGER, gear_crit_resist INTEGER,
			gear_crit_damage INTEGER, gear_crit_damage_resist INTEGER, gear_healing_boost INTEGER,
			gear_max_health INTEGER, gear_nether_resist INTEGER, gear_life_resist INTEGER,
			gear_overpower INTEGER, gear_overpower_resist INTEGER, total_rating INTEGER
		)`,

		`CREATE TABLE IF NOT EXISTS item_spells (
			item_id INTEGER REFERENCES items(id),
			spell_id INTEGER,
			is_active BOOLEAN DEFAULT false,
			PRIMARY KEY (item_id, spell_id)
		)`,

		`CREATE TABLE IF NOT EXISTS item_raw_data (
			item_id INTEGER PRIMARY KEY REFERENCES items(id),
			int_values JSONB, double_values JSONB, string_values JSONB, bool_values JSONB,
			original_json JSONB
		)`,
	}
	ok, failed := 0, 0
	for _, s := range stmts {
		if _, err := pool.Exec(ctx, s); err != nil {
			failed++
			log.Warn("schema statement failed (continuing)", "err", err)
			continue
		}
		ok++
	}
	log.Info("inventory schema init complete", "ok", ok, "failed", failed)
}