apiVersion: v1
kind: Secret
metadata:
  name: {{ include "gitea.fullname" . }}-init
  namespace: {{ .Values.namespace | default .Release.Namespace }}
  labels:
    {{- include "gitea.labels" . | nindent 4 }}
type: Opaque
stringData:
  configure_gpg_environment.sh: |-
    #!/usr/bin/env bash
    set -eu

    gpg --batch --import /raw/private.asc
  init_directory_structure.sh: |-
    #!/usr/bin/env bash

    set -euo pipefail

    {{- if .Values.initPreScript }}
    # BEGIN: initPreScript
    {{- with .Values.initPreScript -}}
    {{ . | nindent 4}}
    {{- end -}}
    # END: initPreScript
    {{- end }}

    {{- if not .Values.image.rootless }}
    chown -v 1000:1000 /data
    {{- end }}
    mkdir -pv /data/git/.ssh
    chmod -Rv 700 /data/git/.ssh
    [ ! -d /data/gitea/conf ] && mkdir -pv /data/gitea/conf

    # prepare temp directory structure
    mkdir -pv "${GITEA_TEMP}"
    {{- if not .Values.image.rootless }}
    chown -v 1000:1000 "${GITEA_TEMP}"
    {{- end }}
    chmod -v ug+rwx "${GITEA_TEMP}"

    {{ if .Values.signing.enabled -}}
    if [ ! -d "${GNUPGHOME}" ]; then
      mkdir -pv "${GNUPGHOME}"
      chmod -v 700 "${GNUPGHOME}"
      chown -v 1000:1000 "${GNUPGHOME}"
    fi
    {{- end }}

  configure_gitea.sh: |-
    #!/usr/bin/env bash

    set -euo pipefail

    echo '==== BEGIN GITEA CONFIGURATION ===='

    { # try
      gitea migrate
    } || { # catch
      echo "Gitea migrate might fail due to database connection...This init-container will try again in a few seconds"
      exit 1
    }

    {{- if include "redis.servicename" . }}
    function test_redis_connection() {
      local RETRY=0
      local MAX=30
      
      echo 'Wait for redis to become avialable...'
      until [ "${RETRY}" -ge "${MAX}" ]; do
        nc -vz -w2 {{ include "redis.servicename" . }} {{ include "redis.port" . }} && break
        RETRY=$[${RETRY}+1]
        echo "...not ready yet (${RETRY}/${MAX})"
      done

      if [ "${RETRY}" -ge "${MAX}" ]; then
        echo "Redis not reachable after '${MAX}' attempts!"
        exit 1
      fi
    }

    test_redis_connection
    {{- end }}
    

    {{- if or .Values.gitea.admin.existingSecret (and .Values.gitea.admin.username .Values.gitea.admin.password) }}
    function configure_admin_user() {
      local full_admin_list=$(gitea admin user list --admin)
      local actual_user_table=''

      # We might have distorted output due to warning logs, so we have to detect the actual user table by its headline and trim output above that line
      local regex="(.*)(ID\s+Username\s+Email\s+IsActive.*)"
      if [[ "${full_admin_list}" =~ $regex ]]; then
        actual_user_table=$(echo "${BASH_REMATCH[2]}" | tail -n+2) # tail'ing to drop the table headline
      else
        # This code block should never be reached, as long as the output table header remains the same.
        # If this code block is reached, the regex doesn't match anymore and we probably have to adjust this script.

        echo "ERROR: 'configure_admin_user' was not able to determine the current list of admin users."
        echo "       Please review the output of 'gitea admin user list --admin' shown below."
        echo "       If you think it is an issue with the Helm Chart provisioning, file an issue at https://gitea.com/gitea/helm-chart/issues."
        echo "DEBUG: Output of 'gitea admin user list --admin'"
        echo "--"
        echo "${full_admin_list}"
        echo "--"
        exit 1
      fi

      local ACCOUNT_ID=$(echo "${actual_user_table}" | grep -E "\s+${GITEA_ADMIN_USERNAME}\s+" | awk -F " " "{printf \$1}")
      if [[ -z "${ACCOUNT_ID}" ]]; then
        local -a create_args
        create_args=(--admin --username "${GITEA_ADMIN_USERNAME}" --password "${GITEA_ADMIN_PASSWORD}" --email {{ .Values.gitea.admin.email | quote }})
        if [[ "${GITEA_ADMIN_PASSWORD_MODE}" = initialOnlyRequireReset ]]; then
          create_args+=(--must-change-password=true)
        else
          create_args+=(--must-change-password=false)
        fi
        echo "No admin user '${GITEA_ADMIN_USERNAME}' found. Creating now..."
        gitea admin user create "${create_args[@]}"
        echo '...created.'
      else
        if [[ "${GITEA_ADMIN_PASSWORD_MODE}" = keepUpdated ]]; then
          echo "Admin account '${GITEA_ADMIN_USERNAME}' already exist. Running update to sync password..."
          # See https://gitea.com/gitea/helm-chart/issues/673
          # --must-change-password argument was added to change-password, defaulting to true, counter to the previous behavior
          #   which acted as if it were provided with =false. If the argument is present in this version of gitea, then we
          #   should add it to prevent requiring frequent admin password resets.
          local -a change_args
          change_args=(--username "${GITEA_ADMIN_USERNAME}" --password "${GITEA_ADMIN_PASSWORD}")
          if gitea admin user change-password --help | grep -qF -- '--must-change-password'; then
            change_args+=(--must-change-password=false)
          fi
          gitea admin user change-password "${change_args[@]}"
          echo '...password sync done.'
        else
          echo "Admin account '${GITEA_ADMIN_USERNAME}' already exist, but update mode is set to '${GITEA_ADMIN_PASSWORD_MODE}'. Skipping."
        fi
      fi
    }

    configure_admin_user
    {{- end }}

    function configure_ldap() {
      {{- if .Values.gitea.ldap }}
      {{- range $idx, $value := .Values.gitea.ldap }}
      local LDAP_NAME={{ (printf "%s" $value.name) | squote }}
      local full_auth_list=$(gitea admin auth list --vertical-bars)
      local actual_auth_table=''

      # We might have distorted output due to warning logs, so we have to detect the actual user table by its headline and trim output above that line
      local regex="(.*)(ID\s+\|Name\s+\|Type\s+\|Enabled.*)"
      if [[ "${full_auth_list}" =~ $regex ]]; then
        actual_auth_table=$(echo "${BASH_REMATCH[2]}" | tail -n+2) # tail'ing to drop the table headline
      else
        # This code block should never be reached, as long as the output table header remains the same.
        # If this code block is reached, the regex doesn't match anymore and we probably have to adjust this script.

        echo "ERROR: 'configure_ldap' was not able to determine the current list of authentication sources."
        echo "       Please review the output of 'gitea admin auth list --vertical-bars' shown below."
        echo "       If you think it is an issue with the Helm Chart provisioning, file an issue at https://gitea.com/gitea/helm-chart/issues."
        echo "DEBUG: Output of 'gitea admin auth list --vertical-bars'"
        echo "--"
        echo "${full_auth_list}"
        echo "--"
        exit 1
      fi

      local GITEA_AUTH_ID=$(echo "${actual_auth_table}" | grep -E "\|${LDAP_NAME}\s+\|" | grep -iE '\|LDAP \(via BindDN\)\s+\|' | awk -F " "  "{print \$1}")

      if [[ -z "${GITEA_AUTH_ID}" ]]; then
        echo "No ldap configuration found with name '${LDAP_NAME}'. Installing it now..."
        gitea admin auth add-ldap {{- include "gitea.ldap_settings" (list $idx $value) | indent 1 }}
        echo '...installed.'
      else
        echo "Existing ldap configuration with name '${LDAP_NAME}': '${GITEA_AUTH_ID}'. Running update to sync settings..."
        gitea admin auth update-ldap --id "${GITEA_AUTH_ID}" {{- include "gitea.ldap_settings" (list $idx $value) | indent 1 }}
        echo '...sync settings done.'
      fi
      {{- end }}
      {{- else }}
        echo 'no ldap configuration... skipping.'
      {{- end }}
    }

    configure_ldap

    function configure_oauth() {
      {{- if .Values.gitea.oauth }}
      {{- range $idx, $value := .Values.gitea.oauth }}
      local OAUTH_NAME={{ (printf "%s" $value.name) | squote }}
      local full_auth_list=$(gitea admin auth list --vertical-bars)
      local actual_auth_table=''

      # We might have distorted output due to warning logs, so we have to detect the actual user table by its headline and trim output above that line
      local regex="(.*)(ID\s+\|Name\s+\|Type\s+\|Enabled.*)"
      if [[ "${full_auth_list}" =~ $regex ]]; then
        actual_auth_table=$(echo "${BASH_REMATCH[2]}" | tail -n+2) # tail'ing to drop the table headline
      else
        # This code block should never be reached, as long as the output table header remains the same.
        # If this code block is reached, the regex doesn't match anymore and we probably have to adjust this script.

        echo "ERROR: 'configure_oauth' was not able to determine the current list of authentication sources."
        echo "       Please review the output of 'gitea admin auth list --vertical-bars' shown below."
        echo "       If you think it is an issue with the Helm Chart provisioning, file an issue at https://gitea.com/gitea/helm-chart/issues."
        echo "DEBUG: Output of 'gitea admin auth list --vertical-bars'"
        echo "--"
        echo "${full_auth_list}"
        echo "--"
        exit 1
      fi

      local AUTH_ID=$(echo "${actual_auth_table}" | grep -E "\|${OAUTH_NAME}\s+\|" | grep -iE '\|OAuth2\s+\|' | awk -F " "  "{print \$1}")

      if [[ -z "${AUTH_ID}" ]]; then
        echo "No oauth configuration found with name '${OAUTH_NAME}'. Installing it now..."
        gitea admin auth add-oauth {{- include "gitea.oauth_settings" (list $idx $value) | indent 1 }}
        echo '...installed.'
      else
        echo "Existing oauth configuration with name '${OAUTH_NAME}': '${AUTH_ID}'. Running update to sync settings..."
        gitea admin auth update-oauth --id "${AUTH_ID}" {{- include "gitea.oauth_settings" (list $idx $value) | indent 1 }}
        echo '...sync settings done.'
      fi
      {{- end }}
      {{- else }}
        echo 'no oauth configuration... skipping.'
      {{- end }}
    }

    configure_oauth

    echo '==== END GITEA CONFIGURATION ===='
