from flask import Flask
from flask import g
import sqlite3
import os, time

from comicapi.issuestring import IssueString

DATABASE = "/var/lib/rpiWebApp/database.db"


def get_db():
	db = getattr(g, '_database', None)
	if db is None:
		db = g._database = sqlite3.connect(DATABASE)
	return db


def initialize_db():
	get_db().execute("""CREATE TABLE IF NOT EXISTS "comics" (
	"path"	TEXT UNIQUE,
	"tagOrigin"	TEXT,
	"series"	TEXT,
	"issue" REAL,
	"issueText" TEXT,
	"title"	TEXT,
	"publisher"	TEXT,
	"month"	INTEGER,
	"year"	INTEGER,
	"day"	INTEGER,
	"seriesYear" INTEGER,
	"issueCount"	INTEGER,
	"volume"	TEXT,
	"genre"	TEXT,
	"language"	TEXT,
	"comments"	TEXT,
	"volumeCount"	INTEGER,
	"criticalRating"	TEXT,
	"country"	TEXT,
	"alternateSeries"	TEXT,
	"alternateNumber"	TEXT,
	"alternateCount"	INTEGER,
	"imprint"	TEXT,
	"notes"	TEXT,
	"webLink"	TEXT,
	"format"	TEXT,
	"manga"	TEXT,
	"blackAndWhite"	TEXT,
	"pageCount"	TEXT,
	"maturityRating"	TEXT,
	"storyArc"	TEXT,
	"seriesGroup"	TEXT,
	"scanInfo"	TEXT,
	"characters"	TEXT,
	"teams"	TEXT,
	"locations"	TEXT,
	"id"	INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE
)""")
	get_db().execute("""CREATE TABLE IF NOT EXISTS "credits" (
	"id"	INTEGER NOT NULL,
	"role"	TEXT,
	"name"	TEXT,
	"primary"	INTEGER NOT NULL
)""")
	get_db().execute("CREATE INDEX IF NOT EXISTS path_index ON comics(path);")
	get_db().commit()


def table_exists(table_name):
	cursor = get_db().execute("SELECT name FROM sqlite_master WHERE type='table' AND name='{}'".format(table_name))
	get_db().commit()
	if cursor.rowcount == 0:
		return False
	return True


def add_comics(meta):
	data = []
	for info in meta:
		issue = IssueString(info[1].issue).asFloat()
		data.append((info[0], info[1].tagOrigin, info[1].series, (issue or -1), info[1].issue, info[1].title, info[1].publisher,
					info[1].month, info[1].year, info[1].day, info[1].seriesYear, info[1].issueCount, info[1].volume, info[1].genre,
					info[1].language, info[1].comments, info[1].volumeCount, info[1].criticalRating, info[1].country,
					info[1].alternateSeries, info[1].alternateNumber, info[1].alternateCount, info[1].imprint,
					info[1].notes, info[1].webLink, info[1].format, info[1].manga, info[1].blackAndWhite,
					info[1].pageCount, info[1].maturityRating, info[1].storyArc, info[1].seriesGroup, info[1].scanInfo,
					info[1].characters, info[1].teams, info[1].locations))
	get_db().executemany(
		"""INSERT into comics(path, tagOrigin, series, issue, issueText, title, publisher,
		month, year, day, seriesYear, issueCount, volume, genre, language, comments, volumeCount,
		criticalRating, country, alternateSeries, alternateNumber, alternateCount, imprint,
		notes, webLink, format, manga, blackAndWhite, pageCount, maturityRating, storyArc,
		seriesGroup, scanInfo, characters, teams, locations)
		VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)""",
		data)
	get_db().commit()


def db_get_all_comics():
	original_factory = get_db().row_factory

	def dict_factory(cursor, row):
		d = {}
		for idx, col in enumerate(cursor.description):
			d[col[0]] = row[idx]
		return d
	get_db().row_factory = dict_factory
	result = get_db().execute("SELECT series, issue, title FROM comics ORDER BY series, issue").fetchall()
	get_db().commit()
	get_db().row_factory = original_factory
	return result


def db_get_series_by_publisher(publisher):
	series = []
	rows = get_db().execute("SELECT DISTINCT series, seriesYear, publisher FROM comics WHERE publisher LIKE ? ORDER BY series, seriesYear", [publisher]).fetchall()
	for row in rows:
		series.append(row)
	return series


def db_get_comics_in_series(series, publisher, series_year):
	comics = []
	rows = get_db().execute("SELECT series, issue, title FROM comics WHERE series LIKE ? AND publisher LIKE ? AND seriesYear LIKE ? ORDER BY series, issue", [series, publisher, series_year]).fetchall()
	get_db().commit()
	for row in rows:
		comics.append(row)
	return comics


def get_publishers():
	publishers = []
	rows = get_db().execute("SELECT DISTINCT publisher FROM comics ORDER BY publisher").fetchall()

	for row in rows:
		publishers.append(row[0])
	return publishers


def comic_path_in_db(path):
	try:
		result = get_db().execute("SELECT path FROM comics WHERE path LIKE ?", [path])
		get_db().commit()

		if result.fetchone():
			return True
	except Exception as e:
		print(path)
		print(e)
	return False


def verify_paths():
	while True:
		paths = get_db().execute("SELECT path FROM comics").fetchall()
		get_db().commit()
		for path in paths:
			if not os.path.exists(path[0]):
				get_db().execute("DELETE FROM comics WHERE path LIKE ?", [path[0]])
				get_db().commit()
		time.sleep(60*60*24*5)