-- Star Systems Database Schema — server/data/systems.db
-- Source of truth for all structured star system data.
-- Authored via tooling pipeline; wiki pages are generated views.
-- Shipped with the game — read-only from the server's perspective.
--
-- Rebuild: tooling/process-wiki-system-changes --rebuild-db

PRAGMA journal_mode=WAL;
PRAGMA foreign_keys=ON;

-- Core identity, physical character, political character
CREATE TABLE IF NOT EXISTS star_systems (
    system_id TEXT PRIMARY KEY,  -- GJ catalog number (e.g., "GJ 244A")
    proper_name TEXT,
    system_name TEXT,
    star_type TEXT,
    spectral_class TEXT,
    dist_ly REAL,
    geographic_sector TEXT,
    geographic_band TEXT,
    political_zone TEXT,

    -- Physical character
    habitable_planet_count INTEGER,
    inhabited_planet_count INTEGER,
    asteroid_belt INTEGER,   -- boolean 0/1
    gas_giant INTEGER,       -- boolean 0/1
    habitability_profile TEXT,

    -- Political character
    earth_alignment TEXT,
    earth_proximity TEXT,
    earth_tension TEXT,

    -- Content notes
    stability_index INTEGER,
    system_volatility TEXT,
    cultural_corridor TEXT,
    generation_priority TEXT,

    updated_at TEXT DEFAULT (datetime('now'))
);

-- Gate infrastructure — queried independently for pathfinding/topology
CREATE TABLE IF NOT EXISTS system_gates (
    system_id TEXT PRIMARY KEY REFERENCES star_systems(system_id),
    horizon_station INTEGER,  -- boolean 0/1
    aperture_count INTEGER,
    gate_connections INTEGER,
    gate_topology TEXT,
    hop_distance_from_gateway INTEGER,
    span_gate_network TEXT
);

-- Settlement history
CREATE TABLE IF NOT EXISTS system_history (
    system_id TEXT PRIMARY KEY REFERENCES star_systems(system_id),
    settlement_wave TEXT,
    founding_motivation TEXT,
    founding_culture_primary TEXT,
    founding_culture_secondary TEXT,
    cultural_persistence TEXT,
    religious_status TEXT,
    religious_generation_count INTEGER
);

-- Historical events — proper 1:N child table
CREATE TABLE IF NOT EXISTS historical_events (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    system_id TEXT NOT NULL REFERENCES star_systems(system_id),
    event_type TEXT NOT NULL,
    age_years INTEGER,
    sort_order INTEGER NOT NULL DEFAULT 0  -- 0 = most recent
);

-- Economic life
CREATE TABLE IF NOT EXISTS system_economy (
    system_id TEXT PRIMARY KEY REFERENCES star_systems(system_id),
    economic_tier INTEGER,
    population INTEGER,
    economic_base_primary TEXT,
    economic_base_secondary TEXT,
    distribution_index TEXT,
    imprint_access TEXT
);

-- Faction presence
CREATE TABLE IF NOT EXISTS system_factions (
    system_id TEXT PRIMARY KEY REFERENCES star_systems(system_id),
    governance_type TEXT,
    dominant_faction TEXT,
    primary_fault_line TEXT,
    secondary_fault_line TEXT,
    assembly_presence TEXT,
    commission_presence TEXT,
    syndic_presence TEXT,
    syndic_type TEXT,
    separatist_presence TEXT,
    separatist_type TEXT,
    institute_presence TEXT,
    guardians_presence TEXT
);

-- Cultural voice
CREATE TABLE IF NOT EXISTS system_culture (
    system_id TEXT PRIMARY KEY REFERENCES star_systems(system_id),
    cultural_register TEXT,
    cultural_register_secondary TEXT,
    ambient_anxiety TEXT,
    local_pride TEXT,
    atmospheric_tone TEXT,
    atmospheric_tone_secondary TEXT,
    active_situation TEXT,
    silence_threshold TEXT,
    primary_archetype TEXT,
    secondary_archetype TEXT,
    narrative_notable INTEGER  -- boolean 0/1
);

-- Authored prose (supply_dependency, faction_notes, silence_topic,
-- narrative_hook, calibration_note) lives in wiki markdown files only.
-- No DB mirror — read the file if you need the text.

-- Indexes
-- astronomical_id removed: system_id IS the GJ catalog number
CREATE INDEX IF NOT EXISTS idx_star_systems_sector ON star_systems(geographic_sector);
CREATE INDEX IF NOT EXISTS idx_star_systems_wave ON system_history(settlement_wave);
CREATE INDEX IF NOT EXISTS idx_star_systems_topology ON system_gates(gate_topology);
CREATE INDEX IF NOT EXISTS idx_star_systems_star_type ON star_systems(star_type);
CREATE INDEX IF NOT EXISTS idx_star_systems_volatility ON star_systems(system_volatility);
CREATE INDEX IF NOT EXISTS idx_historical_events_system ON historical_events(system_id);
CREATE INDEX IF NOT EXISTS idx_system_factions_dominant ON system_factions(dominant_faction);
CREATE INDEX IF NOT EXISTS idx_system_economy_tier ON system_economy(economic_tier);
CREATE INDEX IF NOT EXISTS idx_system_culture_archetype ON system_culture(primary_archetype);