#!/bin/bash
# Copyright (C) 2026 The pgagroal community
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
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export PG_MAX_CONNECTIONS=${PG_MAX_CONNECTIONS:-100}
export PG_SHARED_BUFFERS=${PG_SHARED_BUFFERS:-256MB}
export PG_WORK_MEM=${PG_WORK_MEM:-4MB}
export PG_MAX_PARALLEL_WORKERS=${PG_MAX_PARALLEL_WORKERS:-8}
export PG_EFFECTIVE_CACHE_SIZE=${PG_EFFECTIVE_CACHE_SIZE:-4GB}
export PG_MAX_WAL_SIZE=${PG_MAX_WAL_SIZE:-1GB}
export PG_LOG_LEVEL=${PG_LOG_LEVEL:-debug5}

/usr/lib/postgresql/17/bin/initdb -k -X /pgwal/ /pgdata/

sed -i "s/PG_MAX_CONNECTIONS/$PG_MAX_CONNECTIONS/g" /conf/postgresql.conf
sed -i "s/PG_SHARED_BUFFERS/$PG_SHARED_BUFFERS/g" /conf/postgresql.conf
sed -i "s/PG_WORK_MEM/$PG_WORK_MEM/g" /conf/postgresql.conf
sed -i "s/PG_MAX_PARALLEL_WORKERS/$PG_MAX_PARALLEL_WORKERS/g" /conf/postgresql.conf
sed -i "s/PG_EFFECTIVE_CACHE_SIZE/$PG_EFFECTIVE_CACHE_SIZE/g" /conf/postgresql.conf
sed -i "s/PG_MAX_WAL_SIZE/$PG_MAX_WAL_SIZE/g" /conf/postgresql.conf
sed -i "s/PG_LOG_LEVEL/$PG_LOG_LEVEL/g" /conf/postgresql.conf

sed -i "s/PG_DATABASE/$PG_DATABASE/g" /conf/pg_hba.conf
sed -i "s/PG_USER_NAME/$PG_USER_NAME/g" /conf/pg_hba.conf
sed -i "s/PG_REPL_USER_NAME/$PG_REPL_USER_NAME/g" /conf/pg_hba.conf

cp /conf/postgresql.conf /pgdata/
cp /conf/pg_hba.conf /pgdata/

sed -i "s/PG_DATABASE/$PG_DATABASE/g" /conf/setup.sql
sed -i "s/PG_USER_NAME/$PG_USER_NAME/g" /conf/setup.sql
sed -i "s/PG_USER_PASSWORD/$PG_USER_PASSWORD/g" /conf/setup.sql
sed -i "s/PG_UTF8_USER_NAME/$PG_UTF8_USER_NAME/g" /conf/setup.sql
sed -i "s/PG_UTF8_USER_PASSWORD/$PG_UTF8_USER_PASSWORD/g" /conf/setup.sql
sed -i "s/PG_UTF8_DATABASE/$PG_UTF8_DATABASE/g" /conf/setup.sql
sed -i "s/PG_REPL_USER_NAME/$PG_REPL_USER_NAME/g" /conf/setup.sql
sed -i "s/PG_REPL_PASSWORD/$PG_REPL_PASSWORD/g" /conf/setup.sql

/usr/lib/postgresql/17/bin/pg_ctl -D /pgdata/ start
/usr/lib/postgresql/17/bin/psql -q -h /tmp -f /conf/setup.sql postgres
