-- Migration 001: the schema of a webhook's event database. The models
-- in internal/database must agree with it. The webhook, entrypoint and
-- target ids here name rows in the main database, which has those
-- tables; this file does not.

CREATE TABLE events (
    id uuid,
    created_at datetime,
    updated_at datetime,
    deleted_at datetime,
    webhook_id uuid NOT NULL,
    entrypoint_id uuid NOT NULL,
    method text NOT NULL,
    raw_query text,
    headers text,
    body text,
    content_type text,
    body_bytes integer NOT NULL,
    resubmitted_from_id uuid,
    PRIMARY KEY (id)
);

CREATE INDEX idx_events_created_at ON events (created_at);
CREATE INDEX idx_events_deleted_at ON events (deleted_at);
CREATE INDEX idx_events_deleted_at_created_at
    ON events (deleted_at, created_at);
CREATE INDEX idx_events_resubmitted_from_id
    ON events (resubmitted_from_id, deleted_at);
CREATE INDEX idx_events_entrypoint_id
    ON events (entrypoint_id, deleted_at, resubmitted_from_id, created_at);

CREATE TABLE deliveries (
    id uuid,
    created_at datetime,
    updated_at datetime,
    deleted_at datetime,
    event_id uuid NOT NULL,
    target_id uuid NOT NULL,
    status text NOT NULL DEFAULT 'pending',
    finished_at datetime,
    replay numeric NOT NULL DEFAULT false,
    PRIMARY KEY (id),
    CONSTRAINT fk_events_deliveries
        FOREIGN KEY (event_id) REFERENCES events (id)
);

CREATE INDEX idx_deliveries_deleted_at ON deliveries (deleted_at);
CREATE INDEX idx_deliveries_event_id ON deliveries (event_id, deleted_at);
CREATE INDEX idx_deliveries_status
    ON deliveries (status, deleted_at, finished_at, target_id);

CREATE TABLE delivery_results (
    id uuid,
    created_at datetime,
    updated_at datetime,
    deleted_at datetime,
    delivery_id uuid NOT NULL,
    attempt_num integer NOT NULL,
    success numeric,
    status_code integer,
    response_body text,
    error text,
    duration integer,
    PRIMARY KEY (id),
    CONSTRAINT fk_deliveries_delivery_results
        FOREIGN KEY (delivery_id) REFERENCES deliveries (id)
);

CREATE INDEX idx_delivery_results_deleted_at
    ON delivery_results (deleted_at);
CREATE INDEX idx_delivery_results_delivery_id
    ON delivery_results (delivery_id, deleted_at);

CREATE TABLE event_totals (
    id integer PRIMARY KEY AUTOINCREMENT,
    events integer NOT NULL,
    events_removed integer NOT NULL,
    last_event_at datetime
);

-- The one row of event totals, all zero.
INSERT INTO event_totals (events, events_removed) VALUES (0, 0);

CREATE TABLE target_totals (
    target_id uuid,
    deliveries integer NOT NULL,
    delivered integer NOT NULL,
    failed integer NOT NULL,
    deliveries_removed integer NOT NULL,
    failed_removed integer NOT NULL,
    PRIMARY KEY (target_id)
);

CREATE TABLE entrypoint_totals (
    entrypoint_id uuid,
    last_event_at datetime NOT NULL,
    PRIMARY KEY (entrypoint_id)
);