#!/bin/bash

# Jira Cloud base URL (replace <your-domain> with your actual site)
jira_base_url="https://<your-domain>.atlassian.net"

# Jira Cloud credentials: email + API token
username="email@example.com"
api_token="YOUR_API_TOKEN"

# The CSV file containing project key, component name, and user account ID
csv_file="components.csv"

# Read the CSV file line by line
# Format: projectKey|componentName|accountID
while IFS='|' read -r project_key component_name user_id; do
    # Remove any carriage return characters from the component_name
    component_name=$(echo "$component_name" | tr -d '\r')

    # 1. Get the list of components for the project
    raw_data=$(curl -s -X GET \
      -u "$username:$api_token" \
      -H "Content-Type: application/json" \
      "$jira_base_url/rest/api/3/project/$project_key/components")

    # 2. Extract the component ID by matching the component name
    component_id=$(echo "$raw_data" \
      | jq -r --arg component_name "$component_name" \
        '.[] | select(.name == $component_name) | .id')

    if [ -z "$component_id" ]; then
      echo "Error: Could not find component '$component_name' in project '$project_key'."
      continue
    fi

    echo "Updating project '$project_key', component '$component_name' with new lead '$user_id'..."

    # 3. Update the component lead
    # Note: On Jira Cloud, you'll generally need the user's accountId in the field `leadAccountId`.
    curl -s -X PUT \
      -u "$username:$api_token" \
      -H "Content-Type: application/json" \
      -d "{\"leadAccountId\":\"$user_id\", \"assigneeType\": \"COMPONENT_LEAD\"}" \
      "$jira_base_url/rest/api/3/component/$component_id" > /dev/null

    # 4. Log the update
    timestamp=$(date '+%Y-%m-%d %H:%M:%S')
    echo "Updated project '$project_key', component '$component_name' with new lead '$user_id' at $timestamp"
done < "$csv_file"