(ns auto-ap.parse.templates-test
  (:require [auto-ap.parse :as sut]
            [clojure.test :refer [deftest is testing]]
            [clojure.java.io :as io]
            [clojure.string :as str]
            [clj-time.core :as time]))

(deftest parse-bonanza-produce-invoice-03881260
  (testing "Should parse Bonanza Produce invoice 03881260 with customer identifier including address"
    (let [pdf-file (io/file "dev-resources/INVOICE - 03881260.pdf")
          ;; Extract text same way parse-file does
          pdf-text (:out (clojure.java.shell/sh "pdftotext" "-layout" (str pdf-file) "-"))
          results (sut/parse pdf-text)
          result (first results)]
      (is (some? results) "parse should return a result")
      (is (some? result) "Template should match and return a result")
      (when result
        (println "DEBUG: customer-identifier =" (pr-str (:customer-identifier result)))
        (println "DEBUG: account-number =" (pr-str (:account-number result)))
        (is (= "Bonanza Produce" (:vendor-code result)))
        (is (= "03881260" (:invoice-number result)))
        ;; Date is parsed as org.joda.time.DateTime - compare year/month/day
        (let [d (:date result)]
          (is (= 2026 (time/year d)))
          (is (= 1 (time/month d)))
          (is (= 20 (time/day d))))
        ;; Customer identifier includes name, account-number includes street address
        ;; Together they form the full customer identification
        (is (= "NICK THE GREEK" (:customer-identifier result)))
        (is (= "600 VISTA WAY" (str/trim (:account-number result))))
        (is (= "NICK THE GREEK 600 VISTA WAY"
               (str (:customer-identifier result) " " (str/trim (:account-number result)))))
        ;; Total is parsed as string, not number (per current behavior)
        (is (= "23.22" (:total result)))))))

(deftest parse-bonanza-produce-statement-13595522
  (testing "Should parse Bonanza Produce statement 13595522 with multiple invoices"
    (let [pdf-file (io/file "dev-resources/13595522.pdf")
          pdf-text (:out (clojure.java.shell/sh "pdftotext" "-layout" (str pdf-file) "-"))
          results (sut/parse pdf-text)]
      (is (some? results) "parse should return results")
      (is (= 4 (count results)) "Should parse 4 invoices from statement")
      (doseq [result results]
        (is (= "Bonanza Produce" (:vendor-code result)))
        (is (= "600 VISTA WAY" (:customer-identifier result))))
      (is (= "03876838" (:invoice-number (nth results 0))))
      (is (= "03877314" (:invoice-number (nth results 1))))
      (is (= "03878619" (:invoice-number (nth results 2))))
      (is (= "03879035" (:invoice-number (nth results 3))))
      (is (= "891.65" (:total (nth results 0))))
      (is (= "720.33" (:total (nth results 1))))
      (is (= "853.16" (:total (nth results 2))))
      (is (= "1066.60" (:total (nth results 3)))))))

(deftest parse-bonanza-produce-invoice-03882095
  (testing "Should parse Bonanza Produce invoice 03882095 with customer identifier including address"
    (let [pdf-file (io/file "dev-resources/INVOICE - 03882095.pdf")
          pdf-text (:out (clojure.java.shell/sh "pdftotext" "-layout" (str pdf-file) "-"))
          results (sut/parse pdf-text)
          result (first results)]
      (is (some? results) "parse should return a result")
      (is (some? result) "Template should match and return a result")
      (when result
        (is (= "Bonanza Produce" (:vendor-code result)))
        (is (= "03882095" (:invoice-number result)))
        (let [d (:date result)]
          (is (= 2026 (time/year d)))
          (is (= 1 (time/month d)))
          (is (= 23 (time/day d))))
        (is (= "NICK THE GREEK" (:customer-identifier result)))
        (is (= "600 VISTA WAY" (str/trim (:account-number result))))
        (is (= "946.24" (:total result)))))))

(deftest parse-reel-produce-statement-28676
  (testing "Should parse the Reel Produce statement layout that no longer prints 'Reel Produce' on the page"
    (let [pdf-file (io/file "dev-resources/Statement1_from_REEL_Produce_Inc.28676.pdf")
          pdf-text (:out (clojure.java.shell/sh "pdftotext" "-layout" (str pdf-file) "-"))
          results (sut/parse pdf-text)]
      (is (seq results) "Template should match and return results")
      (is (= 7 (count results)) "Should parse 7 invoices from statement")
      (doseq [result results]
        (is (= "Reel Produce" (:vendor-code result)))
        (is (= "Sushi Confidential - San Jose" (:customer-identifier result))))
      (is (= ["454379" "454826" "455120" "455683" "456654" "456774" "457171"]
             (mapv :invoice-number results)))
      (is (= ["1003.10" "530.85" "605.00" "1187.40" "164.00" "675.60" "265.75"]
             (mapv :total results)))
      ;; totals add up to the statement's $4,431.70 amount due
      (is (= 4431.70 (->> results (map #(Double/parseDouble (:total %))) (reduce +))))
      (let [d (:date (first results))]
        (is (= 2026 (time/year d)))
        (is (= 6 (time/month d)))
        (is (= 23 (time/day d)))))))
