-- SDSO Wiki PostgreSQL Schema

-- Characters Table
CREATE TABLE characters (
    id SERIAL PRIMARY KEY,
    name VARCHAR(255) NOT NULL UNIQUE,
    title VARCHAR(255),
    race VARCHAR(100),
    faction VARCHAR(100),
    status VARCHAR(100),
    description TEXT,
    appearance TEXT,
    first_appearance VARCHAR(100),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Character Stats
CREATE TABLE character_stats (
    id SERIAL PRIMARY KEY,
    character_id INT NOT NULL REFERENCES characters(id) ON DELETE CASCADE,
    hp INT,
    mp INT,
    strength INT,
    endurance INT,
    magic INT,
    speed INT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Items Table
CREATE TABLE items (
    id SERIAL PRIMARY KEY,
    name VARCHAR(255) NOT NULL UNIQUE,
    item_type VARCHAR(50) NOT NULL, -- weapon, armor, accessory, material
    rarity VARCHAR(50),
    description TEXT,
    origin TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Item Stats
CREATE TABLE item_stats (
    id SERIAL PRIMARY KEY,
    item_id INT NOT NULL REFERENCES items(id) ON DELETE CASCADE,
    attack INT,
    defense INT,
    magic_bonus INT,
    special_effect TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Character Equipment
CREATE TABLE character_equipment (
    id SERIAL PRIMARY KEY,
    character_id INT NOT NULL REFERENCES characters(id) ON DELETE CASCADE,
    item_id INT NOT NULL REFERENCES items(id) ON DELETE CASCADE,
    slot_type VARCHAR(50), -- weapon, armor, accessory
    equipped_from VARCHAR(100),
    equipped_until VARCHAR(100),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Resources Table
CREATE TABLE resources (
    id SERIAL PRIMARY KEY,
    name VARCHAR(255) NOT NULL UNIQUE,
    resource_type VARCHAR(100), -- material, crafting_ingredient, etc
    description TEXT,
    rarity VARCHAR(50),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Item Requirements (Crafting/Obtaining)
CREATE TABLE item_requirements (
    id SERIAL PRIMARY KEY,
    item_id INT NOT NULL REFERENCES items(id) ON DELETE CASCADE,
    resource_id INT NOT NULL REFERENCES resources(id) ON DELETE CASCADE,
    quantity INT NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    UNIQUE(item_id, resource_id)
);

-- Episodes Table
CREATE TABLE episodes (
    id SERIAL PRIMARY KEY,
    season INT NOT NULL,
    episode_number INT NOT NULL,
    title VARCHAR(255) NOT NULL,
    air_date DATE,
    manga_chapter VARCHAR(100),
    summary TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    UNIQUE(season, episode_number)
);

-- Locations Table
CREATE TABLE locations (
    id SERIAL PRIMARY KEY,
    name VARCHAR(255) NOT NULL UNIQUE,
    region VARCHAR(100),
    location_type VARCHAR(100), -- city, castle, dungeon, nature, etc
    lat FLOAT, -- For interactive map
    lng FLOAT,
    size VARCHAR(100),
    population VARCHAR(100),
    description TEXT,
    geography TEXT,
    accessible_from VARCHAR(100),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Character Relationships
CREATE TABLE relationships (
    id SERIAL PRIMARY KEY,
    character_a_id INT NOT NULL REFERENCES characters(id) ON DELETE CASCADE,
    character_b_id INT NOT NULL REFERENCES characters(id) ON DELETE CASCADE,
    relationship_type VARCHAR(100), -- ally, enemy, family, romance, etc
    description TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    UNIQUE(character_a_id, character_b_id)
);

-- Episode Characters (Many-to-Many)
CREATE TABLE episode_characters (
    id SERIAL PRIMARY KEY,
    episode_id INT NOT NULL REFERENCES episodes(id) ON DELETE CASCADE,
    character_id INT NOT NULL REFERENCES characters(id) ON DELETE CASCADE,
    role VARCHAR(100), -- main, supporting, cameo
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    UNIQUE(episode_id, character_id)
);

-- Episode Locations (Many-to-Many)
CREATE TABLE episode_locations (
    id SERIAL PRIMARY KEY,
    episode_id INT NOT NULL REFERENCES episodes(id) ON DELETE CASCADE,
    location_id INT NOT NULL REFERENCES locations(id) ON DELETE CASCADE,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    UNIQUE(episode_id, location_id)
);

-- Episode Items (Many-to-Many)
CREATE TABLE episode_items (
    id SERIAL PRIMARY KEY,
    episode_id INT NOT NULL REFERENCES episodes(id) ON DELETE CASCADE,
    item_id INT NOT NULL REFERENCES items(id) ON DELETE CASCADE,
    significance VARCHAR(100), -- introduced, featured, used, etc
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    UNIQUE(episode_id, item_id)
);

-- Story Arcs
CREATE TABLE story_arcs (
    id SERIAL PRIMARY KEY,
    name VARCHAR(255) NOT NULL UNIQUE,
    description TEXT,
    start_episode INT,
    end_episode INT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Story Arc Episodes (Many-to-Many)
CREATE TABLE story_arc_episodes (
    id SERIAL PRIMARY KEY,
    arc_id INT NOT NULL REFERENCES story_arcs(id) ON DELETE CASCADE,
    episode_id INT NOT NULL REFERENCES episodes(id) ON DELETE CASCADE,
    arc_order INT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Lore/World Building
CREATE TABLE lore (
    id SERIAL PRIMARY KEY,
    title VARCHAR(255) NOT NULL UNIQUE,
    category VARCHAR(100), -- faction, magic_system, history, etc
    content TEXT,
    related_characters TEXT, -- JSON array of character IDs
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Create Indexes for Performance
CREATE INDEX idx_characters_faction ON characters(faction);
CREATE INDEX idx_items_type ON items(item_type);
CREATE INDEX idx_episodes_season ON episodes(season);
CREATE INDEX idx_locations_region ON locations(region);
CREATE INDEX idx_relationships_character ON relationships(character_a_id, character_b_id);
CREATE INDEX idx_episode_characters_episode ON episode_characters(episode_id);
CREATE INDEX idx_episode_characters_character ON episode_characters(character_id);
CREATE INDEX idx_item_requirements_item ON item_requirements(item_id);
CREATE INDEX idx_item_requirements_resource ON item_requirements(resource_id);

-- Enable Full Text Search (optional)
ALTER TABLE characters ADD COLUMN search_vector TSVECTOR;
ALTER TABLE items ADD COLUMN search_vector TSVECTOR;
ALTER TABLE locations ADD COLUMN search_vector TSVECTOR;