-- Migration 001: initial schema
-- Target: database=crawl, schema=crawl

CREATE SCHEMA IF NOT EXISTS crawl;

SET search_path TO crawl;

-- access_logs: records every inbound HTTP request with geo info
CREATE TABLE IF NOT EXISTS access_logs (
    id          BIGSERIAL PRIMARY KEY,
    ip          VARCHAR(45)  NOT NULL,
    method      VARCHAR(10)  NOT NULL,
    path        TEXT         NOT NULL,
    status_code SMALLINT     NOT NULL,
    latency_ms  REAL         NOT NULL,
    country     VARCHAR(100) DEFAULT 'Unknown',
    city        VARCHAR(100) DEFAULT 'Unknown',
    latitude    DOUBLE PRECISION,
    longitude   DOUBLE PRECISION,
    created_at  TIMESTAMPTZ  NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_access_logs_created_at ON access_logs (created_at DESC);
CREATE INDEX IF NOT EXISTS idx_access_logs_ip         ON access_logs (ip);

-- scrape_jobs: tracks scraping task lifecycle
CREATE TABLE IF NOT EXISTS scrape_jobs (
    id         UUID        PRIMARY KEY DEFAULT gen_random_uuid(),
    urls       TEXT[]      NOT NULL,
    status     VARCHAR(10) NOT NULL DEFAULT 'pending',
    error      TEXT,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_scrape_jobs_created_at ON scrape_jobs (created_at DESC);

-- scrape_results: stores per-URL scraping output linked to a job
CREATE TABLE IF NOT EXISTS scrape_results (
    id         BIGSERIAL    PRIMARY KEY,
    job_id     UUID         NOT NULL REFERENCES scrape_jobs(id),
    url        TEXT         NOT NULL,
    model_name VARCHAR(200) NOT NULL,
    prices     JSONB        NOT NULL,
    scraped_at TIMESTAMPTZ  NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_scrape_results_url_scraped ON scrape_results (url, scraped_at DESC);