resource "authentik_group" "this" {
  for_each = var.groups

  name         = each.value.name
  is_superuser = each.value.is_superuser
  parents      = each.value.parents != null ? [for p in each.value.parents : authentik_group.this[p].id] : []
  attributes   = jsonencode(each.value.attributes)
}

resource "authentik_provider_saml" "this" {
  for_each = var.providers_saml

  name               = each.value.name
  authorization_flow = each.value.authorization_flow
  invalidation_flow  = each.value.invalidation_flow
  acs_url            = each.value.acs_url
  sp_binding         = each.value.sp_binding
  audience           = each.value.audience
  name_id_mapping    = each.value.name_id_mapping
  signing_kp         = each.value.signing_kp
}

# Resolve oauth2 flows by slug and scope mappings by managed identifier, and
# read client secrets from Vault so nothing sensitive is committed.
data "authentik_flow" "oauth2_authorization" {
  for_each = var.providers_oauth2
  slug     = each.value.authorization_flow
}

data "authentik_flow" "oauth2_invalidation" {
  for_each = var.providers_oauth2
  slug     = each.value.invalidation_flow
}

data "authentik_property_mapping_provider_scope" "oauth2" {
  for_each     = { for k, v in var.providers_oauth2 : k => v if length(v.scope_mappings) > 0 }
  managed_list = each.value.scope_mappings
}

data "vault_kv_secret_v2" "oauth2" {
  for_each = { for k, v in var.providers_oauth2 : k => v if v.client_secret_vault != null }
  mount    = each.value.client_secret_vault.mount
  name     = each.value.client_secret_vault.path
}

resource "authentik_provider_oauth2" "this" {
  for_each = var.providers_oauth2

  name                  = each.value.name
  authorization_flow    = data.authentik_flow.oauth2_authorization[each.key].id
  invalidation_flow     = data.authentik_flow.oauth2_invalidation[each.key].id
  client_type           = each.value.client_type
  client_id             = each.value.client_id
  client_secret         = each.value.client_secret_vault != null ? data.vault_kv_secret_v2.oauth2[each.key].data["client_secret"] : null
  property_mappings     = try(data.authentik_property_mapping_provider_scope.oauth2[each.key].ids, [])
  signing_key           = each.value.signing_key
  access_token_validity = each.value.access_token_validity
  allowed_redirect_uris = each.value.redirect_uris
}

resource "authentik_provider_ldap" "this" {
  for_each = var.providers_ldap

  name             = each.value.name
  bind_flow        = each.value.bind_flow
  unbind_flow      = each.value.unbind_flow
  base_dn          = each.value.base_dn
  certificate      = each.value.certificate
  tls_server_name  = each.value.tls_server_name
  uid_start_number = each.value.uid_start_number
  gid_start_number = each.value.gid_start_number
  search_mode      = each.value.search_mode
  bind_mode        = each.value.bind_mode
  mfa_support      = each.value.mfa_support
}

resource "authentik_application" "saml" {
  for_each = var.providers_saml

  name              = each.value.name
  slug              = each.key
  protocol_provider = authentik_provider_saml.this[each.key].id
}

resource "authentik_application" "oauth2" {
  for_each = var.providers_oauth2

  name              = each.value.name
  slug              = each.key
  protocol_provider = authentik_provider_oauth2.this[each.key].id
}

resource "authentik_application" "ldap" {
  for_each = var.providers_ldap

  name              = each.value.name
  slug              = each.key
  protocol_provider = authentik_provider_ldap.this[each.key].id
}

resource "authentik_outpost" "ldap" {
  for_each = var.providers_ldap

  name               = "${each.key}-outpost"
  type               = "ldap"
  protocol_providers = [authentik_provider_ldap.this[each.key].id]
}