require 'scraperwiki'
require 'petrify'

class Site
  def self.generate
    # Home page
    summary = ScraperWiki.select("
      authority_name, status, decision, appeal_status, appeal_decision, count(*) as applications
      from applications
      group by authority_name, status, decision, appeal_status, appeal_decision
    ")
    
    q = ScraperWiki.select("
      scraped_at
      from applications
      order by scraped_at desc
      limit 1")

    last_updated = DateTime.parse(q[0]['scraped_at'])

    path = '.'
    Petrify.page(path, 'index', { summary: summary, last_updated: last_updated })
    Petrify.csv(path, 'inlink-summary', summary)  

    # New applications page
    apps = ScraperWiki.select("* from `applications` order by date_received desc limit 60")
    Petrify.page('new-applications', 'new-applications', { apps: apps })

    # Latest decisions page
    apps = ScraperWiki.select("* from `applications` order by date_decision desc limit 60")
    path = 'decisions'
    Petrify.page(path, 'decisions', { apps: apps })
    Petrify.csv(path, 'inlink-decisions', apps)
    
    # Appeals page
    summary = ScraperWiki.select("
      authority_name, appeal_status, appeal_decision, count(*) as applications
      from applications
      where appeal_status is not null
      and appeal_status != 'Unknown'
      group by authority_name, appeal_status, appeal_decision  
    ")
    
    apps = ScraperWiki.select("
      * from applications  
      where appeal_status is not null
      and appeal_status != 'Unknown'
    ")
    
    path = 'appeals'
    Petrify.page(path, 'appeals', { summary: summary, apps: apps })
    Petrify.csv(path, 'inlink-appeals', apps)  

    # Authority pages
    auths = ScraperWiki.select("distinct(authority_name) as authority_name from applications")

    auths.each do |auth|
      summary = ScraperWiki.select("
        status, decision, appeal_status, appeal_decision, count(*) as qty
        from applications
        where authority_name = ?
        group by status, decision, appeal_status, appeal_decision
        ", auth['authority_name'])

      apps = ScraperWiki.select("* from applications where authority_name = ? order by date_received desc", auth['authority_name'])

      path = ['authorities', slug(auth['authority_name'])]
      Petrify.page(path, 'authority', { apps: apps, auth: auth, summary: summary })
      Petrify.csv(path, slug(auth['authority_name']), apps)
    end
  end
end