#!/bin/bash -e
# Dump some copyleft pouet.net data into a SQL text file

# Config
MYSQL_DB="pouet"
DUMP_FILE="pouet_with_sample_data.sql"

# Needed by sed to not throw out some warnings
LANG=C

# We have 3 types of tables:
# 1. Tables without any user FK with only public data: Full dump
# 2. Tables without any user FK without public data: Data-less dump
# 3. Tables with a user FK: Selective dump

function dump_tables_with_public_data()
{
    TABLES=("affiliatedbbses"
            "affiliatedprods"
            "awardscand_2007"
            "awardscand_2008"
            "awardscand_2010"
            "awardscand_2011"
            "bbses_platforms"
            "bbsesaka"
            "buttons"
            "cdc"
            "credits"
            "downloadlinks"
            "faq"
            "groupsaka"
            "links"
            "listitems"
            "news"
            "ojnews"
            "partiesaka"
            "partylinks"
            "platforms"
            "prodotherparty"
            "prods_platforms"
            "sceneorgrecommended")

    ssh pouet mysqldump --skip-lock-tables \
                        --result-file=tmp/tables_with_public_data.sql \
                        $MYSQL_DB \
                        ${TABLES[*]}
}

function dump_tables_without_data()
{
    TABLES=("editrequests"
            "gloperator_log"
            "prods_refs"
            "ud")

    ssh pouet mysqldump --skip-lock-tables \
                        --result-file=tmp/tables_without_data.sql \
                        --no-data \
                        $MYSQL_DB \
                        ${TABLES[*]}
}

function dump_tables_with_selective_data()
{
    USERS_AGREEING=(1       # analogue
                    10      # rez
                    177     # psenough
                    619     # tomaes
                    3023    # psonice
                    3865    # visy
                    4950    # Preacher
                    5938    # randomi
                    7636    # xeron
                    20122   # PulkoMandy
                    29286   # xTr1m
                    42140)  # vibrator
    TMP_VAR=$(printf ",%s" "${USERS_AGREEING[@]}")
    TMP_VAR=${TMP_VAR:1}

    # Get the list of users in the format (1,2,3) to be used by INs
    FILTER="($TMP_VAR)"

    TABLES_WITH_COND=("bbs_ads;adder IN $FILTER OR added in $FILTER"
                      "bbs_posts;author IN $FILTER"
                      "bbs_topics;userfirstpost IN $FILTER OR userlastpost IN $FILTER"
                      "bbses;adder IN $FILTER"
                      "comments;who IN $FILTER"
                      "groups;added IN $FILTER"
                      "lists;adder IN $FILTER OR upkeeper IN $FILTER"
                      "logos;author1 IN $FILTER OR author2 IN $FILTER"
                      "logos_votes;user IN $FILTER"
                      "nfos;user IN $FILTER"
                      "oldnicks;user IN $FILTER"
                      "oneliner;who IN $FILTER"
                      "othernfos;adder IN $FILTER"
                      "parties;added IN $FILTER"
                      "prods;added IN $FILTER"
                      "screenshots;user IN $FILTER"
                      "users;id IN $FILTER"
                      "users_cdcs;user IN $FILTER"
                      "usersettings;id IN $FILTER")

    # for i in a,b c,d ; do IFS=","; set $i; echo $1 $2; done
    for TMP_VAR in "${TABLES_WITH_COND[@]}"
    do IFS=";"
        # Assign the good variables
        set $TMP_VAR
        TABLE="$1"
        CONDITION="$2"

        # Do the dump
        ssh pouet mysqldump --skip-lock-tables \
                            --result-file=tmp/table_with_selective_data_$TABLE.sql \
                            --where=\"$CONDITION\" \
                            $MYSQL_DB \
                            $TABLE
    done
}

# Make sure we are in the good folder
if [ ! -f COPYING ]
then
    echo "Launch me in the root folder"
    exit 1
fi

echo "Preparing the ground..."
ssh pouet "if [ ! -d tmp ] ; then mkdir tmp ; fi"
ssh pouet "rm -f tmp/*.sql tmp/$DUMP_FILE.gz"

echo "Dumping tables with public data..."
dump_tables_with_public_data

echo "Dumping tables without data..."
dump_tables_without_data

echo "Dumping tables with filtered data..."
dump_tables_with_selective_data

echo "Preparing the dump..."
ssh pouet "cat tmp/*.sql >> tmp/$DUMP_FILE"
ssh pouet "gzip tmp/$DUMP_FILE"

echo "Downloading the DDL..."
scp pouet:tmp/$DUMP_FILE.gz contribs/
gunzip -f contribs/$DUMP_FILE.gz

echo "Cleaning up the mess..."
ssh pouet "rm -f tmp/*.sql tmp/$DUMP_FILE.gz"

echo "Dump of the DDL completed in $DUMP_FILE"