from MonetDB import *
from PostgreSQL import *
import time

data =[]
header=["Nom de requete","Temps"]
#Monet DB
requeteSelect1MonetDB = """SELECT * FROM flights WHERE "AIRLINE" = 'AA';"""
requeteSelect2MonetDB = """SELECT * FROM flights;"""
requeteSelect3MonetDB = """SELECT * FROM flights WHERE "DAY" > 10;"""
requeteSelect4MonetDB = """SELECT * FROM flights WHERE "DAY" > 30;"""

requeteCreateTable10MonetDB = """CREATE TABLE flights10 AS SELECT * FROM FLIGHTS WHERE "DAY" > 10;"""
requeteDeleteMonetDB = """DELETE FROM flights WHERE "DAY" > 10;"""
requeteInsertMonetDB = """INSERT INTO flights SELECT * FROM flights10;"""
requeteDropflight10MonetDB = """DROP TABLE flights10;"""


#Postgre SQL
requeteSelect1PostgreSQL = """SELECT * FROM public.flights WHERE "AIRLINE" = 'AA'"""
requeteSelect2PostgreSQL = """SELECT * FROM public.flights"""
requeteSelect3PostgreSQL = """SELECT * FROM public.flights WHERE "DAY" > 10"""
requeteSelect4PostgreSQL = """SELECT * FROM public.flights WHERE "DAY" > 30"""

requeteCreateTablePostgreSQL = """CREATE TABLE flights10 AS SELECT * FROM FLIGHTS WHERE "DAY" > 10"""
requeteDeletePostgreSQL = """DELETE FROM flights WHERE "DAY" > 10"""
requeteInsertPostgreSQL = """INSERT INTO flights SELECT * FROM flights10"""


def display_table(data, headers):
    column_lengths = [len(header) for header in headers]
    for row in data:
        for idx, cell in enumerate(row):
            column_lengths[idx] = max(column_lengths[idx], len(str(cell)))
    row_format = " | ".join(["{{:<{}}}".format(length) for length in column_lengths])
    print(row_format.format(*headers))
    print("-|-".join(['-' * length for length in column_lengths]))
    for row in data:
        print(row_format.format(*[str(cell) for cell in row]))  # Ensure cells are strings

def initMonetDB():
    reset_data_monetdb()
    time = create_table_monetdb()
    print("[MonetDB] create table: time = ", time, "s\n")

    start_time = time.time()
    load_data_monetdb()
    end_time = time.time()
    print("[MonetDB] load data : time = ", time, "s\n")

def execMonetDB(str):
    return requete_monetdb(str)

def runMonetDB():
    execForMonetDB(5,[requeteSelect1MonetDB])
    execForMonetDB(5,[requeteSelect2MonetDB])
    execForMonetDB(5,[requeteSelect3MonetDB])
    execForMonetDB(5,[requeteSelect4MonetDB])
    execForMonetDB(5,[requeteCreateTable10MonetDB,requeteDeleteMonetDB,requeteInsertMonetDB,requeteDropflight10MonetDB])


#execute n fois les n requêtes
def execForMonetDB(n, tabReq):
    t = [0] * len(tabReq)
    for i in range(n) :
        for j in range(len(tabReq)) :
            t[j]+=execMonetDB(tabReq[j])

    for j in range(len(tabReq)):
        t[j] = t[j]/n
        print("[MonetDB] requete (moyenne de",n,") :", tabReq[j] , "\n time = ", t[j], "s\n")

    

def initPostgreSQL():
    reset_database_postgres()
    start_time = time.time()
    create_tables_postgres()
    end_time = time.time()
    print("[PostgreSQL] create table: time = ", (end_time - start_time), "s")

    start_time = time.time()
    create_data_postgres()
    end_time = time.time()
    print("[PostgreSQL] load data : time = ", (end_time - start_time), "s")

def execPostgreSQL(str):
    start_time = time.time()
    requete_monetdb(str)
    end_time = time.time()
    return end_time-start_time

def runPostgreSQL():
    execForMonetDB(5,[requeteSelect1PostgreSQL])
    execForMonetDB(5,[requeteSelect2PostgreSQL])
    execForMonetDB(5,[requeteSelect3PostgreSQL])
    execForMonetDB(5,[requeteSelect4PostgreSQL])
    execForMonetDB(5,[requeteDropflight10PostgreSQL,requeteCreateTablePostgreSQL,requeteDeletePostgreSQL,requeteInsertPostgreSQL])

# execute n fois les n requêtes
def execForPostgreSQL(n, tabReq):
    t = [0] * len(tabReq)
    for i in range(n):
        for j in range(len(tabReq)):
            t[j] += execPostgreSQL(tabReq[j])

    for j in range(len(tabReq)):
        t[j] = t[j] / n
        print("[PostgreSQL] requete (moyenne de", n, ") :", tabReq[j], "\n time = ", t[j], "s\n")

def runPostgreSQL():
    data.append([requeteSelect1PostgreSQL,execPostgreSQL(requeteSelect1PostgreSQL)])
    data.append([requeteSelect2PostgreSQL,execPostgreSQL(requeteSelect2PostgreSQL)])
    data.append([requeteSelect3PostgreSQL,execPostgreSQL(requeteSelect3PostgreSQL)])
    data.append([requeteSelect4PostgreSQL,execPostgreSQL(requeteSelect4PostgreSQL)])

if __name__ == '__main__':
    initMonetDB()
    runMonetDB()

    #initPostgreSQL()

    runPostgreSQL()
    display_table(data, header)