#!/bin/bash -e
set -o pipefail

function kapply() {
    for f in "$@"; do
        kubectl apply -f \
            <(envsubst "$(env | xargs printf '$%s ')" < "manifests/$f")
    done
}

function kcreatesec() {
    kubectl create secret generic --save-config --dry-run=client -oyaml "$@" | kubectl apply -f-
}

function kcreatecm() {
    kubectl create configmap --dry-run=client -oyaml "$@" | kubectl apply -f-
}

function kgseckey() {
    local sec="$1"; shift
    local key="$1"; shift

    kubectl get secret "$sec" -o jsonpath="{.data.$key}" | base64 -d
}

function kgcmkey() {
    local cm="$1"; shift
    local key="$1"; shift

    kubectl get configmap "$cm" -o jsonpath="{.data.$key}"
}


kapply common/db.yaml

export REDIS_HOST=redis
export REDIS_DB=0
export REDIS_PORT=6379
export POSTGRES_HOST;     POSTGRES_HOST="$(kgseckey postgres-app host)"
export POSTGRES_PORT;     POSTGRES_PORT="$(kgseckey postgres-app port)"
export POSTGRES_DB;       POSTGRES_DB="$(kgseckey postgres-app dbname)"
export POSTGRES_USER;     POSTGRES_USER="$(kgseckey postgres-app user)"
export POSTGRES_PASSWORD; POSTGRES_PASSWORD="$(kgseckey postgres-app password)"

kcreatesec gitea-admin \
    --from-literal=email="gitea@$BASE_URL" \
    --from-literal=username="$(kgseckey gitea-admin username || echo gitea)" \
    --from-literal=password="$(kgseckey gitea-admin password || openssl rand -hex 32)"

kcreatesec gitea-secrets \
    --from-literal=secret_key="$(kgseckey gitea-secrets secret_key || openssl rand -hex 32)"  \
    --from-literal=internal_token="$(kgseckey gitea-secrets internal_token || openssl rand -hex 32)"

kcreatecm gitea-config \
    --from-file=app.ini=<(envsubst "$(env | xargs printf '$%s ')" < app.ini)

kapply common/job.yaml \
    common/redis.yaml \
    common/app.yaml

kubectl rollout restart statefulset app

for i in {0..9}; do
    RUNNER_TOKEN="$(curl "http://$GITEA_USERNAME:$GITEA_PASSWORD@app/api/v1/admin/runners/registration-token" | jq .token)"

    if [ "$RUNNER_TOKEN" != null ]; then
        kcreatesec runner-secret --from-literal=token="$RUNNER_TOKEN"
        kapply common/runner.yaml
        kubectl rollout restart statefulset runner
        break
    fi
done