CREATE EXTENSION IF NOT EXISTS postgis;

CREATE TABLE athletes (
    id BIGSERIAL PRIMARY KEY,
    intervals_athlete_id TEXT NOT NULL UNIQUE,
    display_name TEXT NOT NULL,
    access_token TEXT NOT NULL,
    scopes TEXT NOT NULL DEFAULT '',
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE oauth_states (
    state TEXT PRIMARY KEY,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE sessions (
    token_hash BYTEA PRIMARY KEY,
    athlete_id BIGINT NOT NULL
        REFERENCES athletes(id)
        ON DELETE CASCADE,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    last_seen_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX sessions_athlete_idx ON sessions (athlete_id);

CREATE TABLE activities (
    id BIGSERIAL PRIMARY KEY,
    athlete_id BIGINT NOT NULL
        REFERENCES athletes(id)
        ON DELETE CASCADE,
    intervals_activity_id TEXT NOT NULL,
    start_time TIMESTAMPTZ,
    activity_json JSONB,
    processed_at TIMESTAMPTZ,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    UNIQUE (athlete_id, intervals_activity_id)
);

CREATE INDEX activities_start_time_idx ON activities(start_time);
CREATE INDEX activities_athlete_idx ON activities(athlete_id);

CREATE TABLE county_boundaries (
    id BIGSERIAL PRIMARY KEY,
    name TEXT NOT NULL,
    geometry geometry(MultiPolygon, 4326) NOT NULL
);

CREATE INDEX county_boundaries_geometry_idx
    ON county_boundaries USING GIST (geometry);

CREATE TABLE county_crossings (
    id BIGSERIAL PRIMARY KEY,
    activity_id BIGINT NOT NULL
        REFERENCES activities(id)
        ON DELETE CASCADE,
    track_index BIGINT NOT NULL,
    crossing_time TIMESTAMPTZ(3) NOT NULL,
    location geometry(Point, 4326) NOT NULL,
    from_county_id BIGINT NOT NULL
        REFERENCES county_boundaries(id),
    to_county_id BIGINT NOT NULL
        REFERENCES county_boundaries(id),
    intervals_interval JSONB,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX county_crossings_time_idx
    ON county_crossings(crossing_time);

CREATE INDEX county_crossings_location_idx
    ON county_crossings USING GIST (location);

CREATE INDEX county_crossings_direction_time_idx
    ON county_crossings(from_county_id, to_county_id, crossing_time);

CREATE INDEX county_crossings_activity_idx
    ON county_crossings(activity_id);

CREATE TABLE leaderboard_groups (
    id BIGSERIAL PRIMARY KEY,
    owner_athlete_id BIGINT NOT NULL
        REFERENCES athletes(id)
        ON DELETE CASCADE,
    name TEXT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    UNIQUE (owner_athlete_id, name)
);

CREATE INDEX leaderboard_groups_owner_idx
    ON leaderboard_groups(owner_athlete_id);

CREATE TABLE leaderboard_group_members (
    group_id BIGINT NOT NULL
        REFERENCES leaderboard_groups(id)
        ON DELETE CASCADE,
    athlete_id BIGINT NOT NULL
        REFERENCES athletes(id)
        ON DELETE CASCADE,
    PRIMARY KEY (group_id, athlete_id)
);

CREATE INDEX leaderboard_group_members_athlete_idx
    ON leaderboard_group_members(athlete_id);