(ns auto-ap.db.checks
  (:require [auto-ap.db.utils :refer [clj->db db->clj get-conn execute!] :as u]
            [auto-ap.entities.companies :as entity]
            [clojure.edn :as edn]
            [clojure.java.jdbc :as j]
            [honeysql.core :as sql]
            [honeysql.helpers :as helpers]))

(def base-query (sql/build :select :*
                           :from :checks))

(defn data->fields [x]
  (-> x
      (merge (:data x))
      (dissoc :data)))

(defn query [q]
  (map data->fields (u/query q)))

(defn get-all []
  (query base-query))

(defn get-by-id [id]
  (first (query (-> base-query
                    (helpers/merge-where [:= :id id])))))

(defn fields->data [x]
  (-> x
      (assoc-in [:data :pdf-data] (:pdf-data x))
      (assoc-in [:data :invoices] (:invoices x))
      (dissoc :pdf-data)
      (dissoc :invoices)))

(defn insert! [row]
  (-> (j/insert! (get-conn)
                 :checks
                 (-> row
                     fields->data
                     clj->db))
      first
      db->clj
      data->fields))

(defn insert-multi! [rows]
  (->> (j/insert-multi! (get-conn)
                        :checks
                        (->> rows
                             (map fields->data)
                             (map clj->db)))
       (map db->clj)
       (map data->fields)))

#_(defn add-sort-by [q sort-by asc]
  (let [sort-by-key (keyword sort-by)]
    (cond (all-keys  sort-by-key)
          (helpers/merge-order-by q [sort-by-key (when-not asc :desc)])

          (= :vendor sort-by-key)
          (-> q
              (helpers/merge-left-join [:vendors :v] [:= :v.id :invoices.vendor-id] )
              (helpers/merge-order-by [:v.name (when-not asc :desc)]))

          (= :company sort-by-key)
          (-> q
              (helpers/merge-left-join [:companies :c] [:= :c.id :invoices.company-id] )
              (helpers/merge-order-by [:c.name (when-not asc :desc)]))

          :else
          q)))

(defn base-graphql [{:keys [company-id vendor-id check-number]}]
  (cond-> base-query
    (not (nil? company-id)) (helpers/merge-where [:= :company-id company-id])
    (not (nil? vendor-id)) (helpers/merge-where [:= :vendor-id vendor-id])
    (not (nil? check-number)) (helpers/merge-where [:= :check-number check-number])))

(defn get-graphql [{:keys [start sort-by asc] :as args}]
  (query
   (cond-> (base-graphql args)
     #_#_(not (nil? sort-by) ) (add-sort-by sort-by asc)
     true (assoc :limit 20)
     start (assoc :offset start))))

(defn count-graphql [args]
  (:count (first (query
                  (assoc (base-graphql args) :select [:%count.*])))))