#!/usr/bin/env -S python3 -u

import json
import limbo
from utils import generate_random_value
from antithesis.random import get_random

# Get initial state
con_init = limbo.connect('init_state.db')
cur_init = con_init.cursor()

tbl_len = cur_init.execute('SELECT count FROM tables').fetchone()[0]
selected_tbl = get_random() % tbl_len
tbl_schema = json.loads(cur_init.execute(f'SELECT schema FROM schemas WHERE tbl = {selected_tbl}').fetchone()[0])

# get primary key column
pk = tbl_schema['pk']
# get non-pk columns
cols = [f'col_{col}' for col in range(tbl_schema['colCount']) if col != pk]

con = limbo.connect('stress_composer.db')
cur = con.cursor()

deletions = get_random() % 100
print(f'Attempt to delete {deletions} rows in tbl_{selected_tbl}...')

for i in range(deletions):
    where_clause = f"col_{pk} = {generate_random_value(tbl_schema[f'col_{pk}']['data_type'])}"

    cur.execute(f'''
        DELETE FROM tbl_{selected_tbl} WHERE {where_clause}
    ''')