PRAGMA foreign_keys = ON;

CREATE TABLE dungeon (
  dungeon_id TEXT PRIMARY KEY,
  display_name TEXT NOT NULL
) STRICT;

CREATE TABLE loot_table (
  loot_table_id TEXT PRIMARY KEY,
  rolls_min INTEGER NOT NULL DEFAULT 1 CHECK (rolls_min >= 0),
  rolls_max INTEGER NOT NULL DEFAULT 1 CHECK (rolls_max >= rolls_min)
) STRICT;

CREATE TABLE boss_template (
  boss_key TEXT PRIMARY KEY,
  creature_entry INTEGER NOT NULL UNIQUE CHECK (creature_entry > 0),
  display_name TEXT NOT NULL,
  dungeon_id TEXT NOT NULL REFERENCES dungeon(dungeon_id),
  loot_table_id TEXT NOT NULL REFERENCES loot_table(loot_table_id)
) STRICT;

CREATE TABLE item_template (
  item_id INTEGER PRIMARY KEY CHECK (item_id > 0),
  item_key TEXT NOT NULL UNIQUE,
  display_name TEXT NOT NULL,
  quality TEXT NOT NULL CHECK (quality IN ('common', 'uncommon', 'rare', 'epic', 'legendary')),
  inventory_slot TEXT NOT NULL,
  armor_type TEXT,
  weapon_type TEXT,
  source_item_level INTEGER NOT NULL CHECK (source_item_level > 0),
  scalable INTEGER NOT NULL DEFAULT 1 CHECK (scalable IN (0, 1)),
  source_url TEXT
) STRICT;

-- Mirrors the itemizable 3.3.5a stat vocabulary instead of flattening every
-- bonus into one prototype "power" value. Values are authored at the source
-- item level and scaled together when this game's scalable loot drops.
CREATE TABLE item_stat (
  item_id INTEGER NOT NULL REFERENCES item_template(item_id) ON DELETE CASCADE,
  stat_key TEXT NOT NULL,
  stat_value REAL NOT NULL,
  PRIMARY KEY (item_id, stat_key)
) STRICT;

CREATE TABLE item_weapon (
  item_id INTEGER PRIMARY KEY REFERENCES item_template(item_id) ON DELETE CASCADE,
  damage_min REAL NOT NULL CHECK (damage_min >= 0),
  damage_max REAL NOT NULL CHECK (damage_max >= damage_min),
  damage_school TEXT NOT NULL CHECK (
    damage_school IN ('physical', 'holy', 'fire', 'nature', 'frost', 'shadow', 'arcane')
  ),
  speed_ms INTEGER NOT NULL CHECK (speed_ms > 0)
) STRICT;

CREATE TABLE loot_table_entry (
  loot_table_id TEXT NOT NULL REFERENCES loot_table(loot_table_id) ON DELETE CASCADE,
  item_id INTEGER NOT NULL REFERENCES item_template(item_id),
  weight INTEGER NOT NULL CHECK (weight > 0),
  min_quantity INTEGER NOT NULL DEFAULT 1 CHECK (min_quantity > 0),
  max_quantity INTEGER NOT NULL DEFAULT 1 CHECK (max_quantity >= min_quantity),
  PRIMARY KEY (loot_table_id, item_id)
) STRICT;

CREATE INDEX boss_template_dungeon_idx ON boss_template(dungeon_id);
CREATE INDEX loot_table_entry_item_idx ON loot_table_entry(item_id);
CREATE INDEX item_stat_item_idx ON item_stat(item_id);

-- This view is the stable query surface for a future in-game loot browser.
-- The shipped public/data/healer-man-loot.sqlite file includes this view.
CREATE VIEW boss_loot_browser AS
SELECT
  d.dungeon_id,
  d.display_name AS dungeon_name,
  b.boss_key,
  b.creature_entry,
  b.display_name AS boss_name,
  b.loot_table_id,
  lt.rolls_min,
  lt.rolls_max,
  i.item_id,
  i.item_key,
  i.display_name AS item_name,
  i.quality,
  i.inventory_slot,
  i.armor_type,
  i.weapon_type,
  i.source_item_level,
  i.scalable,
  e.weight,
  e.min_quantity,
  e.max_quantity,
  i.source_url
FROM boss_template b
JOIN dungeon d ON d.dungeon_id = b.dungeon_id
JOIN loot_table lt ON lt.loot_table_id = b.loot_table_id
JOIN loot_table_entry e ON e.loot_table_id = b.loot_table_id
JOIN item_template i ON i.item_id = e.item_id;