-- event
CREATE TABLE event (
    id                  UUID        PRIMARY KEY DEFAULT gen_random_uuid(),
    slug                TEXT        NOT NULL UNIQUE,
    name                TEXT        NOT NULL,
    cover_image_path    TEXT,
    is_active           BOOLEAN     NOT NULL DEFAULT TRUE,
    uploads_locked_at   TIMESTAMPTZ,
    export_released_at  TIMESTAMPTZ,
    export_zip_ready    BOOLEAN     NOT NULL DEFAULT FALSE,
    export_html_ready   BOOLEAN     NOT NULL DEFAULT FALSE,
    created_at          TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- user
CREATE TABLE "user" (
    id                  UUID        PRIMARY KEY DEFAULT gen_random_uuid(),
    event_id            UUID        NOT NULL REFERENCES event(id) ON DELETE CASCADE,
    display_name        TEXT        NOT NULL,
    role                user_role   NOT NULL DEFAULT 'guest',
    is_banned           BOOLEAN     NOT NULL DEFAULT FALSE,
    uploads_hidden      BOOLEAN     NOT NULL DEFAULT FALSE,
    recovery_pin_hash   TEXT        NOT NULL,
    total_upload_bytes  BIGINT      NOT NULL DEFAULT 0,
    created_at          TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- session
CREATE TABLE session (
    id           UUID        PRIMARY KEY DEFAULT gen_random_uuid(),
    user_id      UUID        NOT NULL REFERENCES "user"(id) ON DELETE CASCADE,
    token_hash   TEXT        NOT NULL UNIQUE,
    expires_at   TIMESTAMPTZ NOT NULL,
    last_seen_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    created_at   TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- upload
CREATE TABLE upload (
    id                  UUID        PRIMARY KEY DEFAULT gen_random_uuid(),
    event_id            UUID        NOT NULL REFERENCES event(id) ON DELETE CASCADE,
    user_id             UUID        NOT NULL REFERENCES "user"(id),
    original_path       TEXT        NOT NULL,
    preview_path        TEXT,
    thumbnail_path      TEXT,
    mime_type           TEXT        NOT NULL,
    original_size_bytes BIGINT      NOT NULL,
    caption             TEXT,
    created_at          TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    deleted_at          TIMESTAMPTZ
);

-- hashtag
CREATE TABLE hashtag (
    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    event_id   UUID NOT NULL REFERENCES event(id) ON DELETE CASCADE,
    tag        TEXT NOT NULL,
    UNIQUE (event_id, tag)
);

-- upload_hashtag (junction)
CREATE TABLE upload_hashtag (
    upload_id   UUID NOT NULL REFERENCES upload(id) ON DELETE CASCADE,
    hashtag_id  UUID NOT NULL REFERENCES hashtag(id) ON DELETE CASCADE,
    PRIMARY KEY (upload_id, hashtag_id)
);

-- comment
CREATE TABLE comment (
    id          UUID        PRIMARY KEY DEFAULT gen_random_uuid(),
    upload_id   UUID        NOT NULL REFERENCES upload(id) ON DELETE CASCADE,
    user_id     UUID        NOT NULL REFERENCES "user"(id),
    body        TEXT        NOT NULL,
    created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    deleted_at  TIMESTAMPTZ
);

-- comment_hashtag (junction)
CREATE TABLE comment_hashtag (
    comment_id  UUID NOT NULL REFERENCES comment(id) ON DELETE CASCADE,
    hashtag_id  UUID NOT NULL REFERENCES hashtag(id) ON DELETE CASCADE,
    PRIMARY KEY (comment_id, hashtag_id)
);

-- like
CREATE TABLE "like" (
    upload_id   UUID        NOT NULL REFERENCES upload(id) ON DELETE CASCADE,
    user_id     UUID        NOT NULL REFERENCES "user"(id) ON DELETE CASCADE,
    created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    PRIMARY KEY (upload_id, user_id)
);

-- export_job
CREATE TABLE export_job (
    id            UUID           PRIMARY KEY DEFAULT gen_random_uuid(),
    event_id      UUID           NOT NULL REFERENCES event(id) ON DELETE CASCADE,
    type          export_type    NOT NULL,
    status        export_status  NOT NULL DEFAULT 'pending',
    progress_pct  SMALLINT       NOT NULL DEFAULT 0 CHECK (progress_pct BETWEEN 0 AND 100),
    file_path     TEXT,
    error_message TEXT,
    created_at    TIMESTAMPTZ    NOT NULL DEFAULT NOW(),
    completed_at  TIMESTAMPTZ,
    UNIQUE (event_id, type)
);

-- config (admin-configurable runtime settings)
CREATE TABLE config (
    key        TEXT        PRIMARY KEY,
    value      TEXT        NOT NULL,
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);