# Break O'Day Council — Advertised Development Applications
# List page: https://www.bodc.tas.gov.au/council/advertised-development-applications/

require "nokogiri"
require "cgi"
require "uri"

require_relative "../lib/enrich"
require_relative "../lib/log"
require_relative "../lib/util"
TABLE = ENV.fetch("TABLE_NAME") # run_all.sh -> da_break_oday
URL   = "https://www.bodc.tas.gov.au/council/advertised-development-applications/"

DOWNLOAD_ATTACHMENTS = ENV["DOWNLOAD_ATTACHMENTS"] == "1"
DOWNLOAD_DIR         = ENV["DOWNLOAD_DIR"] || "/app/downloads"

DB.ensure_table!(TABLE)

def abs_url(base, href)
    return "" if href.to_s.strip.empty?
    URI.join(base, href).to_s rescue href.to_s
end

# Accepts "DA 2025/123", "DA2025/0123", "DA 054-2026", etc
REF_RXES = [
    %r{\bDA\s*(20\d{2})\s*/\s*([A-Za-z0-9\-_.]+)}i,       # DA 2025/123
%r{\bDA(20\d{2})\s*[-/]?\s*([0-9]{3,})\b}i,           # DA2025-0123
%r{\bDA\s*([0-9]{1,4})\s*-\s*(20\d{2})\b}i            # DA 054-2026
]
def extract_ref(str)
    s = CGI.unescape(str.to_s)
    REF_RXES.each do |rx|
        if (m = s.match(rx))
            # normalize to "DA YYYY / NNN"
            if rx.source.include?("\\s*-\\s*") # hyphen form "054-2026"
                return "DA #{m[2]} / #{m[1]}"
            else
                return "DA #{m[1]} / #{m[2]}"
            end
        end
    end
    nil
end

def find_list_table(doc)
    doc.css("table").find do |t|
        heads = t.css("thead th").map { |th| th.text.strip.downcase }
        heads.any? && (
            heads.any? { |h| h.include?("closing") } ||
                heads.any? { |h| h.include?("pdf") } ||
                heads.any? { |h| h.include?("name") }
            )
    end
end

def safe_name(s) = s.to_s.gsub(/[^\w\-.]+/, "_")

    def download_pdf(url, council_reference)
        return nil unless DOWNLOAD_ATTACHMENTS && !url.to_s.strip.empty?
        folder = File.join(DOWNLOAD_DIR, 'breakoday', safe_name(council_reference))
        FileUtils.mkdir_p(folder)

        begin
            res = Http.get_response(url) rescue Http.get(url)

            # If Http.get already gives us the body, use it directly
            body = res.respond_to?(:body) ? res.body : res.to_s

            fname = safe_name(File.basename(URI.parse(url).path))
            fname += ".pdf" unless fname.downcase.end_with?(".pdf")
            path = File.join(folder, fname)

            File.binwrite(path, body)
            puts "Saved PDF #{path}"
            # return web-accessible relative path if needed
            "/files/breakoday/#{safe_name(council_reference)}/#{fname}"
        rescue StandardError => e
            Log.warn "scraper", "PDF download failed for #{url}: #{e.class} #{e.message}"
            nil
        end
    end

    html = Http.get(URL)
    doc  = Nokogiri::HTML(html)

    table = find_list_table(doc) || doc.at_css("table")
    unless table
        puts "No table found on #{URL}"
        exit 0
    end

    # Work out the column indexes by header text if possible
    headers = table.css("thead th").map { |th| th.text.strip.downcase }
    idx_name    = headers.index { |h| h.include?("name") } || 0
    idx_addr    = headers.index { |h| h.include?("address") } || 1
    idx_close   = headers.index { |h| h.include?("closing") || h.include?("notice") } || 2
    idx_pdf     = headers.index { |h| h.include?("pdf") } || 3

    rows = table.css("tbody tr")
    puts "Found #{rows.length} row(s) for #{TABLE}"

    saved = 0

    rows.each do |tr|
        tds = tr.css("td")
        next if tds.empty?

        name_text = tds[idx_name]&.text&.strip.to_s
        address   = tds[idx_addr]&.text&.strip.to_s
        close_raw = tds[idx_close]&.text&.strip.to_s
        pdf_cell  = tds[idx_pdf]
        pdf_a     = pdf_cell&.at_css("a[href]")
        document_url = pdf_a ? abs_url(URL, pdf_a["href"].to_s) : ""

        row_text = tr.text.to_s.gsub(/\s+/, " ")
        raw_ref = extract_ref(pdf_cell&.text) || extract_ref(File.basename(document_url)) || extract_ref(row_text)
        council_reference = raw_ref&.gsub(/\s*\/\s*/, "_")&.gsub(/\s+/, "_")
        next if address.empty? || council_reference.nil?

        on_notice = Util.parse_aus_date(close_raw)
        description = name_text.empty? ? "Development Application" : name_text
        local_doc_url = download_pdf(document_url, council_reference)

        DB.upsert(TABLE, {
            description: description,
            address: address,
            council_reference: council_reference,
            applicant: "",
            owner: "",
            document_url: document_url,
            local_document_url: local_doc_url,
            on_notice_to: on_notice,
            on_notice_to_raw: close_raw,
            })

        enrich_after_upsert!(table: TABLE, council_reference: council_reference, address: address)


        tn  = DB.client.escape(TABLE)
        sql = %Q{
SELECT address_std, lat, lng
FROM `#{tn}`
WHERE council_reference = ? AND address = ?
LIMIT 1
}
        begin
            row = DB.client.prepare(sql).execute(council_reference, address).first
            puts "  enriched -> #{row ? row.inspect : 'nil'}"
        rescue StandardError => e
            Log.warn "scraper", "  enriched probe failed: #{e.class} #{e.message}"
        end

        puts "Upserted #{council_reference} -> #{address}"
        saved += 1
    end

    puts "Done #{TABLE}. Saved #{saved} item(s)."