-- GigLez Database Schema
-- PostgreSQL 16 + PostGIS 3.4
-- Created: 2026-01-12
-- Based on: docs/database_schema.md + Wigle analysis

-- =============================================================================
-- EXTENSIONS
-- =============================================================================

CREATE EXTENSION IF NOT EXISTS postgis;
CREATE EXTENSION IF NOT EXISTS postgis_topology;
CREATE EXTENSION IF NOT EXISTS cube;      -- For earthdistance
CREATE EXTENSION IF NOT EXISTS earthdistance;

-- =============================================================================
-- CORE TABLES
-- =============================================================================

-- -----------------------------------------------------------------------------
-- USERS TABLE
-- Optional user accounts for community features
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS users (
    id SERIAL PRIMARY KEY,

    -- Authentication
    username VARCHAR(50) UNIQUE NOT NULL,
    email VARCHAR(255) UNIQUE NOT NULL,
    password_hash VARCHAR(255) NOT NULL,

    -- Profile
    display_name VARCHAR(100),
    avatar_url TEXT,
    bio TEXT,

    -- Statistics
    total_captures INTEGER DEFAULT 0,
    total_identifications INTEGER DEFAULT 0,
    reputation_score INTEGER DEFAULT 0,

    -- Settings
    api_key VARCHAR(64) UNIQUE,
    email_verified BOOLEAN DEFAULT false,

    -- Timestamps
    created_at TIMESTAMP DEFAULT NOW(),
    last_login TIMESTAMP
);

CREATE INDEX idx_users_username ON users(username);
CREATE INDEX idx_users_email ON users(email);
CREATE INDEX idx_users_api_key ON users(api_key) WHERE api_key IS NOT NULL;

-- -----------------------------------------------------------------------------
-- SESSIONS TABLE
-- Wardriving/capture sessions to group related captures
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS sessions (
    id SERIAL PRIMARY KEY,
    user_id INTEGER REFERENCES users(id) ON DELETE SET NULL,

    -- Session Metadata
    session_uuid VARCHAR(64) UNIQUE NOT NULL,  -- UUID for external reference
    name VARCHAR(200),
    description TEXT,
    started_at TIMESTAMP NOT NULL DEFAULT NOW(),
    ended_at TIMESTAMP,

    -- Privacy Settings
    is_public BOOLEAN DEFAULT true,
    anonymize_gps BOOLEAN DEFAULT false,
    gps_precision_meters INTEGER DEFAULT 10,

    -- Session Statistics (computed)
    total_captures INTEGER DEFAULT 0,
    unique_devices INTEGER DEFAULT 0,
    distance_km DECIMAL(10, 2),

    -- Bounding Box (for quick filtering)
    min_latitude DECIMAL(10, 8),
    max_latitude DECIMAL(10, 8),
    min_longitude DECIMAL(11, 8),
    max_longitude DECIMAL(11, 8)
);

CREATE INDEX idx_sessions_user ON sessions(user_id);
CREATE INDEX idx_sessions_uuid ON sessions(session_uuid);
CREATE INDEX idx_sessions_started ON sessions(started_at DESC);
CREATE INDEX idx_sessions_public ON sessions(is_public) WHERE is_public = true;

-- -----------------------------------------------------------------------------
-- DEVICES TABLE
-- Known IoT device types with signature information
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS devices (
    id SERIAL PRIMARY KEY,

    -- Device Identification
    manufacturer VARCHAR(200),
    model VARCHAR(200),
    device_type VARCHAR(100),  -- 'garage_door', 'weather_station', 'key_fob', etc.
    description TEXT,

    -- RF Characteristics
    typical_frequency INTEGER,  -- Most common frequency in Hz
    frequency_range_low INTEGER,
    frequency_range_high INTEGER,
    modulation_types TEXT[],  -- Array: ['OOK', '2FSK', 'GFSK']

    -- Protocol Information
    protocol VARCHAR(100),
    bit_length INTEGER,
    encoding VARCHAR(50),  -- 'PWM', 'PPM', 'Manchester', etc.

    -- Metadata
    fcc_id VARCHAR(50),
    manufacturer_code VARCHAR(50),

    -- Community Data
    created_at TIMESTAMP DEFAULT NOW(),
    verified BOOLEAN DEFAULT false,
    verification_count INTEGER DEFAULT 0,

    -- Source
    source VARCHAR(50),  -- 'flipper', 'rtl433', 'urh', 'community'
    source_url TEXT,

    -- Full-text search
    search_vector tsvector
);

CREATE INDEX idx_devices_manufacturer ON devices(manufacturer);
CREATE INDEX idx_devices_type ON devices(device_type);
CREATE INDEX idx_devices_frequency ON devices(typical_frequency);
CREATE INDEX idx_devices_protocol ON devices(protocol);
CREATE INDEX idx_devices_source ON devices(source);
CREATE INDEX idx_devices_verified ON devices(verified) WHERE verified = true;
CREATE INDEX idx_devices_search ON devices USING GIN(search_vector);

-- Trigger to update search vector
CREATE OR REPLACE FUNCTION devices_search_vector_update() RETURNS trigger AS $$
BEGIN
    NEW.search_vector :=
        setweight(to_tsvector('english', COALESCE(NEW.manufacturer, '')), 'A') ||
        setweight(to_tsvector('english', COALESCE(NEW.model, '')), 'A') ||
        setweight(to_tsvector('english', COALESCE(NEW.device_type, '')), 'B') ||
        setweight(to_tsvector('english', COALESCE(NEW.description, '')), 'C');
    RETURN NEW;
END;
$$ LANGUAGE plpgsql;

CREATE TRIGGER tsvector_update BEFORE INSERT OR UPDATE ON devices
    FOR EACH ROW EXECUTE FUNCTION devices_search_vector_update();

-- -----------------------------------------------------------------------------
-- CAPTURES TABLE
-- Primary table storing RF signal captures with GPS coordinates
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS captures (
    -- Primary Key: SHA256 hash of file contents (Wigle pattern adapted)
    file_hash VARCHAR(64) PRIMARY KEY,

    -- Foreign Keys
    session_id INTEGER REFERENCES sessions(id) ON DELETE CASCADE,
    user_id INTEGER REFERENCES users(id) ON DELETE SET NULL,

    -- GPS Data
    latitude DECIMAL(10, 8) NOT NULL,
    longitude DECIMAL(11, 8) NOT NULL,
    altitude DECIMAL(8, 2),
    gps_accuracy DECIMAL(6, 2),
    geom geometry(Point, 4326),  -- PostGIS geometry for spatial queries

    -- Timestamp
    captured_at TIMESTAMP NOT NULL,
    uploaded_at TIMESTAMP DEFAULT NOW(),

    -- RF Signal Data
    frequency INTEGER NOT NULL,  -- in Hz
    rssi INTEGER,  -- Received Signal Strength Indicator
    modulation VARCHAR(50),  -- OOK, 2FSK, GFSK, etc.
    preset VARCHAR(100),

    -- Protocol Information (if decoded)
    protocol VARCHAR(100),
    bit_length INTEGER,
    key_data BYTEA,
    timing_element INTEGER,  -- TE value in microseconds

    -- Raw Signal Data
    raw_data TEXT,  -- RAW_Data timings or BinRAW data
    raw_format VARCHAR(20),  -- 'RAW', 'BinRAW', 'KEY'

    -- File Storage
    file_path VARCHAR(500),  -- Path to .sub file
    file_size INTEGER,  -- File size in bytes

    -- Automatic Matching Results (best match)
    device_id INTEGER REFERENCES devices(id) ON DELETE SET NULL,
    match_confidence DECIMAL(5, 4),  -- 0.0 to 1.0
    match_method VARCHAR(50),  -- 'exact', 'partial', 'pattern', 'timing'

    -- Constraints
    CONSTRAINT valid_latitude CHECK (latitude >= -90 AND latitude <= 90),
    CONSTRAINT valid_longitude CHECK (longitude >= -180 AND longitude <= 180),
    CONSTRAINT valid_confidence CHECK (match_confidence >= 0 AND match_confidence <= 1),
    CONSTRAINT valid_frequency CHECK (frequency >= 300000000 AND frequency <= 928000000)  -- 300-928 MHz
);

-- Geospatial Indexes (critical for performance)
CREATE INDEX idx_captures_geom ON captures USING GIST(geom);
CREATE INDEX idx_captures_location ON captures USING GIST(ll_to_earth(latitude, longitude));

-- Query Indexes
CREATE INDEX idx_captures_session ON captures(session_id);
CREATE INDEX idx_captures_user ON captures(user_id);
CREATE INDEX idx_captures_device ON captures(device_id);
CREATE INDEX idx_captures_frequency ON captures(frequency);
CREATE INDEX idx_captures_protocol ON captures(protocol);
CREATE INDEX idx_captures_timestamp ON captures(captured_at DESC);
CREATE INDEX idx_captures_uploaded ON captures(uploaded_at DESC);

-- Trigger to auto-populate geom from lat/lon
CREATE OR REPLACE FUNCTION captures_geom_update() RETURNS trigger AS $$
BEGIN
    NEW.geom := ST_SetSRID(ST_MakePoint(NEW.longitude, NEW.latitude), 4326);
    RETURN NEW;
END;
$$ LANGUAGE plpgsql;

CREATE TRIGGER captures_geom_trigger BEFORE INSERT OR UPDATE ON captures
    FOR EACH ROW EXECUTE FUNCTION captures_geom_update();

-- -----------------------------------------------------------------------------
-- SIGNATURES TABLE
-- Protocol signatures for device matching
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS signatures (
    id SERIAL PRIMARY KEY,
    device_id INTEGER REFERENCES devices(id) ON DELETE CASCADE,

    -- Signature Pattern
    protocol VARCHAR(100) NOT NULL,
    frequency INTEGER,
    modulation VARCHAR(50),

    -- Matching Criteria
    bit_pattern BYTEA,
    bit_mask BYTEA,  -- Which bits to match (1=match, 0=ignore)
    timing_min INTEGER,  -- TE range in microseconds
    timing_max INTEGER,

    -- Raw Pattern (for regex-like matching)
    pattern_regex TEXT,

    -- Confidence Weighting
    weight DECIMAL(4, 3) DEFAULT 1.0,  -- Higher = more reliable signature

    -- Metadata
    created_at TIMESTAMP DEFAULT NOW(),
    source VARCHAR(50),  -- 'flipper', 'rtl433', 'urh', 'community'
    source_file VARCHAR(500),  -- Original .sub or config file

    UNIQUE(device_id, protocol, bit_pattern)
);

CREATE INDEX idx_signatures_device ON signatures(device_id);
CREATE INDEX idx_signatures_protocol ON signatures(protocol);
CREATE INDEX idx_signatures_frequency ON signatures(frequency);
CREATE INDEX idx_signatures_source ON signatures(source);

-- -----------------------------------------------------------------------------
-- CAPTURE_MATCHES TABLE
-- All device identification results (many-to-many with captures)
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS capture_matches (
    id SERIAL PRIMARY KEY,
    capture_id VARCHAR(64) REFERENCES captures(file_hash) ON DELETE CASCADE,
    device_id INTEGER REFERENCES devices(id) ON DELETE CASCADE,
    signature_id INTEGER REFERENCES signatures(id) ON DELETE SET NULL,

    -- Match Details
    confidence DECIMAL(5, 4) NOT NULL,  -- 0.0 to 1.0
    match_method VARCHAR(50) NOT NULL,  -- 'exact', 'partial', 'pattern', 'timing'
    match_details JSONB,  -- Additional matching information

    -- Timestamps
    matched_at TIMESTAMP DEFAULT NOW(),

    CONSTRAINT valid_match_confidence CHECK (confidence >= 0 AND confidence <= 1)
);

CREATE INDEX idx_capture_matches_capture ON capture_matches(capture_id);
CREATE INDEX idx_capture_matches_device ON capture_matches(device_id);
CREATE INDEX idx_capture_matches_signature ON capture_matches(signature_id);
CREATE INDEX idx_capture_matches_confidence ON capture_matches(confidence DESC);

-- -----------------------------------------------------------------------------
-- IDENTIFICATIONS TABLE
-- User-submitted device identifications (community contributions)
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS identifications (
    id SERIAL PRIMARY KEY,
    capture_id VARCHAR(64) REFERENCES captures(file_hash) ON DELETE CASCADE,
    device_id INTEGER REFERENCES devices(id),
    user_id INTEGER REFERENCES users(id),

    -- Identification Details
    confidence VARCHAR(20),  -- 'certain', 'likely', 'guess'
    notes TEXT,

    -- Visual Evidence
    photo_urls TEXT[],  -- Array of image URLs

    -- Community Validation
    upvotes INTEGER DEFAULT 0,
    downvotes INTEGER DEFAULT 0,
    verified BOOLEAN DEFAULT false,
    verified_by INTEGER REFERENCES users(id),
    verified_at TIMESTAMP,

    -- Timestamps
    submitted_at TIMESTAMP DEFAULT NOW(),

    UNIQUE(capture_id, user_id, device_id)
);

CREATE INDEX idx_identifications_capture ON identifications(capture_id);
CREATE INDEX idx_identifications_device ON identifications(device_id);
CREATE INDEX idx_identifications_user ON identifications(user_id);
CREATE INDEX idx_identifications_verified ON identifications(verified) WHERE verified = true;

-- -----------------------------------------------------------------------------
-- VOTES TABLE
-- Voting on device identifications
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS votes (
    id SERIAL PRIMARY KEY,
    identification_id INTEGER REFERENCES identifications(id) ON DELETE CASCADE,
    user_id INTEGER REFERENCES users(id),

    vote_type INTEGER NOT NULL,  -- 1 = upvote, -1 = downvote
    voted_at TIMESTAMP DEFAULT NOW(),

    CONSTRAINT valid_vote CHECK (vote_type IN (1, -1)),
    UNIQUE(identification_id, user_id)
);

CREATE INDEX idx_votes_identification ON votes(identification_id);
CREATE INDEX idx_votes_user ON votes(user_id);

-- -----------------------------------------------------------------------------
-- UPLOAD_MARKERS TABLE
-- Track last uploaded capture per user/session for incremental sync
-- Wigle pattern for efficient resumable uploads
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS upload_markers (
    user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
    session_id INTEGER REFERENCES sessions(id) ON DELETE CASCADE,
    last_capture_hash VARCHAR(64),
    last_upload_time TIMESTAMP NOT NULL DEFAULT NOW(),

    PRIMARY KEY (user_id, session_id)
);

CREATE INDEX idx_upload_markers_user ON upload_markers(user_id);
CREATE INDEX idx_upload_markers_session ON upload_markers(session_id);

-- =============================================================================
-- FLIPPER ZERO SPECIFIC TABLES
-- =============================================================================

-- -----------------------------------------------------------------------------
-- FLIPPER_SIGNATURES TABLE
-- Imported Flipper Zero .sub file signatures
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS flipper_signatures (
    id SERIAL PRIMARY KEY,
    signature_id INTEGER REFERENCES signatures(id) ON DELETE CASCADE,

    -- Flipper-Specific Fields
    filetype VARCHAR(50),  -- 'Flipper SubGhz Key File' or 'RAW File'
    version INTEGER,
    preset VARCHAR(100),

    -- Custom Preset Data
    custom_preset_module VARCHAR(50),
    custom_preset_data BYTEA,

    -- Protocol Data
    protocol VARCHAR(100),
    bit INTEGER,
    key BYTEA,
    te INTEGER,  -- Timing element

    -- RAW Data
    raw_data TEXT,
    bin_raw_bit INTEGER,
    bin_raw_te INTEGER,
    bin_raw_data BYTEA,

    -- Source
    source_file VARCHAR(500),
    imported_at TIMESTAMP DEFAULT NOW()
);

CREATE INDEX idx_flipper_protocol ON flipper_signatures(protocol);
CREATE INDEX idx_flipper_preset ON flipper_signatures(preset);
CREATE INDEX idx_flipper_signature ON flipper_signatures(signature_id);

-- =============================================================================
-- RTL_433 SPECIFIC TABLES
-- =============================================================================

-- -----------------------------------------------------------------------------
-- RTL433_PROTOCOLS TABLE
-- Imported RTL_433 protocol definitions
-- -----------------------------------------------------------------------------
CREATE TABLE IF NOT EXISTS rtl433_protocols (
    id SERIAL PRIMARY KEY,
    signature_id INTEGER REFERENCES signatures(id) ON DELETE CASCADE,

    -- Protocol Identification
    protocol_number INTEGER,
    protocol_name VARCHAR(200),
    model VARCHAR(200),

    -- RF Characteristics
    frequency INTEGER,
    modulation VARCHAR(50),  -- 'OOK_PWM', 'FSK_PCM', etc.

    -- Timing Information (in microseconds)
    short_width INTEGER,
    long_width INTEGER,
    reset_limit INTEGER,
    gap_limit INTEGER,

    -- Decoding
    decoder_type VARCHAR(50),
    bit_count INTEGER,

    -- JSON Fields Mapping
    json_fields JSONB,  -- Expected output fields

    -- Source
    source_file VARCHAR(500),
    imported_at TIMESTAMP DEFAULT NOW()
);

CREATE INDEX idx_rtl433_protocol_num ON rtl433_protocols(protocol_number);
CREATE INDEX idx_rtl433_model ON rtl433_protocols(model);
CREATE INDEX idx_rtl433_modulation ON rtl433_protocols(modulation);
CREATE INDEX idx_rtl433_signature ON rtl433_protocols(signature_id);

-- =============================================================================
-- MATERIALIZED VIEWS
-- =============================================================================

-- -----------------------------------------------------------------------------
-- DEVICE_STATISTICS VIEW
-- Pre-computed statistics for device types
-- -----------------------------------------------------------------------------
CREATE MATERIALIZED VIEW IF NOT EXISTS device_statistics AS
SELECT
    d.id as device_id,
    d.manufacturer,
    d.model,
    d.device_type,
    COUNT(c.file_hash) as total_captures,
    COUNT(DISTINCT c.session_id) as total_sessions,
    COUNT(DISTINCT c.user_id) as total_users,
    MIN(c.captured_at) as first_seen,
    MAX(c.captured_at) as last_seen,
    AVG(c.rssi) as avg_rssi,
    AVG(c.match_confidence) as avg_confidence
FROM devices d
LEFT JOIN captures c ON c.device_id = d.id
GROUP BY d.id, d.manufacturer, d.model, d.device_type;

CREATE UNIQUE INDEX idx_device_stats_device ON device_statistics(device_id);
CREATE INDEX idx_device_stats_captures ON device_statistics(total_captures DESC);

-- -----------------------------------------------------------------------------
-- GEOGRAPHIC_HEATMAP VIEW
-- Aggregated capture density for mapping
-- -----------------------------------------------------------------------------
CREATE MATERIALIZED VIEW IF NOT EXISTS geographic_heatmap AS
SELECT
    ROUND(latitude::numeric, 3) as lat_bucket,
    ROUND(longitude::numeric, 3) as lon_bucket,
    COUNT(*) as capture_count,
    COUNT(DISTINCT device_id) as unique_devices,
    COUNT(DISTINCT session_id) as unique_sessions,
    array_agg(DISTINCT protocol) FILTER (WHERE protocol IS NOT NULL) as protocols_seen,
    AVG(rssi) as avg_rssi
FROM captures
GROUP BY lat_bucket, lon_bucket;

CREATE UNIQUE INDEX idx_heatmap_location ON geographic_heatmap(lat_bucket, lon_bucket);
CREATE INDEX idx_heatmap_count ON geographic_heatmap(capture_count DESC);

-- =============================================================================
-- FUNCTIONS
-- =============================================================================

-- -----------------------------------------------------------------------------
-- CALCULATE_DISTANCE FUNCTION
-- Calculate distance between two GPS coordinates (Haversine formula)
-- -----------------------------------------------------------------------------
CREATE OR REPLACE FUNCTION calculate_distance(
    lat1 DECIMAL, lon1 DECIMAL,
    lat2 DECIMAL, lon2 DECIMAL
) RETURNS DECIMAL AS $$
DECLARE
    R DECIMAL := 6371.0;  -- Earth radius in km
    dLat DECIMAL;
    dLon DECIMAL;
    a DECIMAL;
    c DECIMAL;
BEGIN
    dLat := radians(lat2 - lat1);
    dLon := radians(lon2 - lon1);
    a := sin(dLat/2) * sin(dLat/2) +
         cos(radians(lat1)) * cos(radians(lat2)) *
         sin(dLon/2) * sin(dLon/2);
    c := 2 * atan2(sqrt(a), sqrt(1-a));
    RETURN R * c;
END;
$$ LANGUAGE plpgsql IMMUTABLE;

-- =============================================================================
-- TRIGGERS
-- =============================================================================

-- -----------------------------------------------------------------------------
-- UPDATE_SESSION_STATISTICS TRIGGER
-- Automatically update session statistics when captures are added
-- -----------------------------------------------------------------------------
CREATE OR REPLACE FUNCTION update_session_stats()
RETURNS TRIGGER AS $$
BEGIN
    UPDATE sessions SET
        total_captures = (
            SELECT COUNT(*)
            FROM captures
            WHERE session_id = NEW.session_id
        ),
        unique_devices = (
            SELECT COUNT(DISTINCT device_id)
            FROM captures
            WHERE session_id = NEW.session_id
                AND device_id IS NOT NULL
        ),
        min_latitude = LEAST(
            COALESCE(min_latitude, NEW.latitude),
            NEW.latitude
        ),
        max_latitude = GREATEST(
            COALESCE(max_latitude, NEW.latitude),
            NEW.latitude
        ),
        min_longitude = LEAST(
            COALESCE(min_longitude, NEW.longitude),
            NEW.longitude
        ),
        max_longitude = GREATEST(
            COALESCE(max_longitude, NEW.longitude),
            NEW.longitude
        )
    WHERE id = NEW.session_id;
    RETURN NEW;
END;
$$ LANGUAGE plpgsql;

CREATE TRIGGER trigger_update_session_stats
    AFTER INSERT ON captures
    FOR EACH ROW
    WHEN (NEW.session_id IS NOT NULL)
    EXECUTE FUNCTION update_session_stats();

-- -----------------------------------------------------------------------------
-- UPDATE_USER_STATISTICS TRIGGER
-- Update user capture count
-- -----------------------------------------------------------------------------
CREATE OR REPLACE FUNCTION update_user_stats()
RETURNS TRIGGER AS $$
BEGIN
    IF NEW.user_id IS NOT NULL THEN
        UPDATE users SET
            total_captures = (
                SELECT COUNT(*)
                FROM captures
                WHERE user_id = NEW.user_id
            )
        WHERE id = NEW.user_id;
    END IF;
    RETURN NEW;
END;
$$ LANGUAGE plpgsql;

CREATE TRIGGER trigger_update_user_stats
    AFTER INSERT ON captures
    FOR EACH ROW
    EXECUTE FUNCTION update_user_stats();

-- -----------------------------------------------------------------------------
-- UPDATE_IDENTIFICATION_VOTES TRIGGER
-- Update upvotes/downvotes count on identifications
-- -----------------------------------------------------------------------------
CREATE OR REPLACE FUNCTION update_identification_votes()
RETURNS TRIGGER AS $$
DECLARE
    up_count INTEGER;
    down_count INTEGER;
BEGIN
    SELECT
        COUNT(*) FILTER (WHERE vote_type = 1),
        COUNT(*) FILTER (WHERE vote_type = -1)
    INTO up_count, down_count
    FROM votes
    WHERE identification_id = COALESCE(NEW.identification_id, OLD.identification_id);

    UPDATE identifications SET
        upvotes = up_count,
        downvotes = down_count,
        verified = (up_count - down_count >= 5)  -- Auto-verify at +5 net votes
    WHERE id = COALESCE(NEW.identification_id, OLD.identification_id);

    RETURN NEW;
END;
$$ LANGUAGE plpgsql;

CREATE TRIGGER trigger_update_identification_votes
    AFTER INSERT OR UPDATE OR DELETE ON votes
    FOR EACH ROW
    EXECUTE FUNCTION update_identification_votes();

-- =============================================================================
-- INITIAL DATA / SEED
-- =============================================================================

-- Insert a default "anonymous" user for uploads without accounts
INSERT INTO users (id, username, email, password_hash, display_name)
VALUES (0, 'anonymous', 'anonymous@giglez.local', '', 'Anonymous User')
ON CONFLICT (id) DO NOTHING;

-- Reset sequence to avoid conflicts
SELECT setval('users_id_seq', GREATEST(1, (SELECT MAX(id) + 1 FROM users)));

-- =============================================================================
-- PERMISSIONS (Optional - uncomment if using specific user)
-- =============================================================================

-- GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO giglez_user;
-- GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO giglez_user;
-- GRANT EXECUTE ON ALL FUNCTIONS IN SCHEMA public TO giglez_user;

-- =============================================================================
-- COMPLETION
-- =============================================================================

-- Refresh materialized views
REFRESH MATERIALIZED VIEW device_statistics;
REFRESH MATERIALIZED VIEW geographic_heatmap;

-- Analyze tables for query optimization
ANALYZE;

SELECT 'GigLez database schema created successfully!' as status;