-- Migration 021: Dispensary Crawl Schedule
-- Creates a schedule table linked directly to dispensaries (not stores)

-- Dispensary crawl schedule table
CREATE TABLE IF NOT EXISTS dispensary_crawl_schedule (
  id SERIAL PRIMARY KEY,
  dispensary_id INTEGER NOT NULL REFERENCES dispensaries(id) ON DELETE CASCADE,

  -- Schedule settings
  is_active BOOLEAN NOT NULL DEFAULT TRUE,
  interval_minutes INTEGER NOT NULL DEFAULT 240, -- 4 hours default
  priority INTEGER NOT NULL DEFAULT 0, -- Higher = scheduled first

  -- Timing
  last_run_at TIMESTAMPTZ,
  next_run_at TIMESTAMPTZ,

  -- Status tracking
  last_status VARCHAR(50), -- 'success', 'error', 'sandbox_only', 'detection_only', 'running'
  last_summary TEXT,
  last_error TEXT,
  last_duration_ms INTEGER,

  -- Run tracking
  consecutive_failures INTEGER DEFAULT 0,
  total_runs INTEGER DEFAULT 0,
  successful_runs INTEGER DEFAULT 0,

  -- Metadata
  created_at TIMESTAMPTZ DEFAULT NOW(),
  updated_at TIMESTAMPTZ DEFAULT NOW(),

  UNIQUE(dispensary_id)
);

-- Indexes
CREATE INDEX IF NOT EXISTS idx_dispensary_crawl_schedule_active ON dispensary_crawl_schedule(is_active);
CREATE INDEX IF NOT EXISTS idx_dispensary_crawl_schedule_next_run ON dispensary_crawl_schedule(next_run_at) WHERE is_active = TRUE;
CREATE INDEX IF NOT EXISTS idx_dispensary_crawl_schedule_status ON dispensary_crawl_schedule(last_status);
CREATE INDEX IF NOT EXISTS idx_dispensary_crawl_schedule_priority ON dispensary_crawl_schedule(priority DESC, next_run_at ASC);

-- Dispensary crawl jobs table (separate from store crawl_jobs)
CREATE TABLE IF NOT EXISTS dispensary_crawl_jobs (
  id SERIAL PRIMARY KEY,
  dispensary_id INTEGER NOT NULL REFERENCES dispensaries(id) ON DELETE CASCADE,
  schedule_id INTEGER REFERENCES dispensary_crawl_schedule(id) ON DELETE SET NULL,

  -- Job info
  job_type VARCHAR(50) NOT NULL DEFAULT 'orchestrator', -- 'orchestrator', 'detection', 'products', 'sandbox'
  trigger_type VARCHAR(50) NOT NULL DEFAULT 'scheduled', -- 'scheduled', 'manual', 'bootstrap'
  status VARCHAR(20) NOT NULL DEFAULT 'pending', -- 'pending', 'running', 'completed', 'failed', 'cancelled'
  priority INTEGER DEFAULT 0,

  -- Timing
  scheduled_at TIMESTAMPTZ DEFAULT NOW(),
  started_at TIMESTAMPTZ,
  completed_at TIMESTAMPTZ,
  duration_ms INTEGER,

  -- Results
  detection_ran BOOLEAN DEFAULT FALSE,
  crawl_ran BOOLEAN DEFAULT FALSE,
  crawl_type VARCHAR(20), -- 'production', 'sandbox', 'none'
  products_found INTEGER,
  products_new INTEGER,
  products_updated INTEGER,

  -- Detection results
  detected_provider VARCHAR(50),
  detected_confidence SMALLINT,
  detected_mode VARCHAR(20),

  -- Error tracking
  error_message TEXT,

  -- Worker tracking
  worker_id VARCHAR(100),
  run_id UUID,

  created_at TIMESTAMPTZ DEFAULT NOW(),
  updated_at TIMESTAMPTZ DEFAULT NOW()
);

-- Indexes
CREATE INDEX IF NOT EXISTS idx_dispensary_crawl_jobs_status ON dispensary_crawl_jobs(status);
CREATE INDEX IF NOT EXISTS idx_dispensary_crawl_jobs_dispensary ON dispensary_crawl_jobs(dispensary_id, created_at DESC);
CREATE INDEX IF NOT EXISTS idx_dispensary_crawl_jobs_pending ON dispensary_crawl_jobs(priority DESC, scheduled_at ASC) WHERE status = 'pending';
CREATE INDEX IF NOT EXISTS idx_dispensary_crawl_jobs_recent ON dispensary_crawl_jobs(created_at DESC);

-- View for dispensary schedule status with latest job info
CREATE OR REPLACE VIEW dispensary_crawl_status AS
SELECT
  d.id AS dispensary_id,
  d.name AS dispensary_name,
  d.city,
  d.website,
  d.menu_url,
  d.product_provider,
  d.product_confidence,
  d.product_crawler_mode,
  d.last_product_scan_at,
  COALESCE(dcs.is_active, TRUE) AS schedule_active,
  COALESCE(dcs.interval_minutes, 240) AS interval_minutes,
  COALESCE(dcs.priority, 0) AS priority,
  dcs.last_run_at,
  dcs.next_run_at,
  dcs.last_status,
  dcs.last_summary,
  dcs.last_error,
  dcs.consecutive_failures,
  dcs.total_runs,
  dcs.successful_runs,
  dcj.id AS latest_job_id,
  dcj.job_type AS latest_job_type,
  dcj.status AS latest_job_status,
  dcj.started_at AS latest_job_started,
  dcj.products_found AS latest_products_found
FROM dispensaries d
LEFT JOIN dispensary_crawl_schedule dcs ON dcs.dispensary_id = d.id
LEFT JOIN LATERAL (
  SELECT * FROM dispensary_crawl_jobs
  WHERE dispensary_id = d.id
  ORDER BY created_at DESC
  LIMIT 1
) dcj ON true
ORDER BY COALESCE(dcs.priority, 0) DESC, d.name;