From 5e954eca4e86d4b3a39adcc90935d79d5d246ce4 Mon Sep 17 00:00:00 2001
From: Michael Harrison <michael.harrison31@nhs.net>
Date: Mon, 18 May 2026 17:00:24 +0100
Subject: [PATCH] CCM-17784: seed demo clients

---
 .gitignore            |  1 +
 scripts/seed/seed.sh  | 48 +++++++++++++++++++++++++++++++++++++++++++
 scripts/seed/utils.sh | 21 +++++++++++++++++++
 3 files changed, 70 insertions(+)
 create mode 100755 scripts/seed/seed.sh
 create mode 100644 scripts/seed/utils.sh

diff --git a/.gitignore b/.gitignore
index bda797693c..b73ee50324 100644
--- a/.gitignore
+++ b/.gitignore
@@ -97,3 +97,4 @@ lambdas/backend-api/src/email/email-template.json
 .github/copilot-instructions.md
 
 test-runs
+seed-data.json
diff --git a/scripts/seed/seed.sh b/scripts/seed/seed.sh
new file mode 100755
index 0000000000..8a01629b96
--- /dev/null
+++ b/scripts/seed/seed.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+set -euo pipefail
+
+root_dir=$(git rev-parse --show-toplevel)
+
+source "$root_dir/scripts/seed/utils.sh"
+
+if [ $# -ne 1 ]; then
+  echo 1>&2 "$0: expected 1 arguments, received $#"
+  exit 2
+fi
+
+environment=$1
+
+data_file="$root_dir/seed-data.json"
+
+if [ ! -f "${data_file}" ]; then
+  echo 1>&2 "Error: Seed data file not found at ${data_file}"
+  exit 2
+fi
+
+csi="nhs-notify-${environment}-app"
+
+client_parameter_namespace=${csi}
+
+clients=$(jq -c '.clients[]?' "${data_file}")
+
+while IFS= read -r client; do
+  if [[ -n "${client}" ]]; then
+    client_id=$(jq -r '.id' <<< "${client}")
+    client_name=$(jq -r '.name' <<< "${client}")
+
+    echo
+    echo "---"
+    echo "Processing client (${client_name} - ${client_id})"
+
+    echo "Creating client SSM parameter"
+    put_client_parameter "${client_parameter_namespace}" "${client}"
+    echo "Created client SSM parameter"
+    echo
+    echo "Processed client: (${client_name} - ${client_id})"
+  fi
+done <<< "${clients}"
+
+echo
+echo "---"
+echo "Successfully seeded all demo clients"
diff --git a/scripts/seed/utils.sh b/scripts/seed/utils.sh
new file mode 100644
index 0000000000..613047542a
--- /dev/null
+++ b/scripts/seed/utils.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+function put_client_parameter() {
+  local namespace=$1
+  local client=$2
+
+  local client_id=$(jq -r '.id' <<< "${client}")
+  local campaign_ids=$(jq '.campaignIds' <<< "${client}")
+  local features=$(jq '.features' <<< "${client}")
+  local parameter_name="/${namespace}/clients/${client_id}"
+  local parameter_value=$(jq <<< "{
+    \"campaignIds\": ${campaign_ids},
+    \"features\": ${features}
+  }")
+
+  aws ssm put-parameter \
+    --name "${parameter_name}" \
+    --value "${parameter_value}" \
+    --type SecureString \
+    --overwrite > /dev/null
+}