🚀 New Campaign Module - TypeScript Functions

/**
 * Component initialization with campaign builder setup
 * Initializes multi-step campaign creation wizard
 * Loads templates, audience lists, and configuration data
 * Sets up form validation and step navigation
 * Configures real-time preview and validation
 * @returns {void}
 */
ngOnInit(): void

/**
 * Component cleanup and draft saving
 * Saves campaign draft if form has unsaved changes
 * Unsubscribes from observables and cleans up resources
 * Handles wizard state preservation
 * @returns {void}
 */
ngOnDestroy(): void

/**
 * Sets up the campaign creation wizard interface
 * Initializes step-by-step campaign building process
 * Configures form validation for each step
 * Sets up navigation between wizard steps
 * Prepares templates and audience data
 * @returns {void}
 */
initializeCampaignBuilder(): void

/**
 * Advances to the next step in campaign creation wizard
 * Validates current step before proceeding
 * Saves current step data to campaign draft
 * Updates wizard progress indicators
 * Loads next step configuration and data
 * @returns {void}
 */
nextStep(): void

/**
 * Returns to the previous step in campaign wizard
 * Preserves current step data without validation
 * Updates wizard step indicators
 * Restores previous step form state
 * Handles step-specific data loading
 * @returns {void}
 */
previousStep(): void

/**
 * Jumps to a specific step in the campaign wizard
 * Validates all steps between current and target
 * Updates wizard navigation state
 * Loads target step data and configuration
 * Handles step dependency validation
 * @param {number} stepIndex - Target step index
 * @returns {void}
 */
goToStep(stepIndex: number): void

/**
 * Loads available message templates for campaign
 * Fetches pre-approved A2P message templates
 * Organizes templates by category and type
 * Applies user permission filtering
 * Updates template selection interface
 * @returns {void}
 */
loadMessageTemplates(): void

/**
 * Selects and applies a message template
 * Loads template content and variables
 * Updates message preview with template data
 * Validates template compliance requirements
 * Configures personalization variables
 * @param {string} templateId - ID of template to select
 * @returns {void}
 */
selectTemplate(templateId: string): void

/**
 * Generates and displays message preview
 * Renders message with sample personalization data
 * Calculates message segments and character count
 * Validates message content and compliance
 * Updates live preview display
 * @returns {void}
 */
previewMessage(): void

/**
 * Validates message against A2P compliance rules
 * Checks message content for regulatory compliance
 * Validates opt-out instructions and branding
 * Ensures character limits and format requirements
 * Returns validation status and error details
 * @returns {boolean} True if message is compliant
 */
validateMessageCompliance(): boolean

/**
 * Loads available audience lists and segments
 * Fetches user-accessible contact lists
 * Applies permission-based filtering
 * Loads segment criteria and counts
 * Updates audience selection interface
 * @returns {void}
 */
loadAudienceLists(): void

/**
 * Selects target audience for campaign
 * Loads audience details and contact count
 * Validates audience consent and compliance
 * Updates campaign targeting configuration
 * Calculates estimated reach and costs
 * @param {string} audienceId - ID of audience to select
 * @returns {void}
 */
selectAudience(audienceId: string): void

/**
 * Creates new audience segment with custom criteria
 * Opens segment builder interface
 * Configures filtering and targeting rules
 * Validates segment criteria and size
 * Saves segment for campaign use
 * @returns {void}
 */
createAudienceSegment(): void

/**
 * Calculates estimated campaign reach and costs
 * Analyzes audience size and targeting criteria
 * Computes delivery estimates and success rates
 * Calculates campaign costs and ROI projections
 * Updates reach and cost display
 * @returns {void}
 */
estimateReach(): void

/**
 * Sets up campaign scheduling and timing
 * Configures send date and time preferences
 * Sets up timezone handling and delivery windows
 * Configures recurring campaign schedules
 * Validates scheduling constraints and regulations
 * @returns {void}
 */
configureCampaignSchedule(): void

/**
 * Validates campaign schedule against regulations
 * Checks sending time restrictions and blackout periods
 * Validates timezone compliance requirements
 * Ensures adherence to quiet hours and regulations
 * Returns validation status and warnings
 * @returns {boolean} True if schedule is compliant
 */
validateScheduleCompliance(): boolean

/**
 * Saves current campaign configuration as draft
 * Captures all wizard step data and configurations
 * Preserves campaign state for later editing
 * Validates draft data consistency
 * Provides auto-save functionality
 * @returns {void}
 */
saveCampaignDraft(): void

/**
 * Loads existing campaign draft for editing
 * Restores all campaign configuration data
 * Repopulates wizard forms and selections
 * Validates loaded data consistency
 * Updates wizard state and navigation
 * @param {string} draftId - ID of draft to load
 * @returns {void}
 */
loadCampaignDraft(draftId: string): void

/**
 * Finalizes and launches the campaign
 * Performs final validation and compliance checks
 * Submits campaign for approval if required
 * Schedules campaign execution based on configuration
 * Initiates campaign monitoring and tracking
 * @returns {void}
 */
launchCampaign(): void

/**
 * Initializes the visual campaign builder interface
 * Sets up drag-and-drop components and layout tools
 * Configures real-time preview and editing capabilities
 * Loads design templates and asset libraries
 * Prepares visual editing workspace
 * @returns {void}
 */
initializeBuilder(): void

/**
 * Adds components to campaign design
 * Supports text, image, button, and interactive elements
 * Handles component positioning and layout
 * Configures component properties and styling
 * Updates campaign design structure
 * @param {string} componentType - Type of component to add
 * @returns {void}
 */
addComponent(componentType: string): void

/**
 * Creates new campaign with comprehensive configuration
 * Validates campaign data and compliance requirements
 * Submits campaign for processing and approval
 * Handles A2P registration and carrier submission
 * Returns campaign creation status and tracking ID
 * @param {any} campaignData - Complete campaign configuration
 * @returns {Observable<any>} Campaign creation result
 */
createCampaign(campaignData: any): Observable<any>

/**
 * Retrieves available message templates
 * Fetches pre-approved A2P message templates
 * Applies user permission and compliance filtering
 * Returns categorized template collections
 * Includes template metadata and preview content
 * @returns {Observable<any>} Available message templates
 */
getTemplates(): Observable<any>

/**
 * Validates campaign configuration and compliance
 * Checks A2P regulations and carrier requirements
 * Validates message content and audience targeting
 * Performs scheduling and delivery validation
 * Returns comprehensive validation report
 * @param {any} campaignData - Campaign data to validate
 * @returns {Observable<any>} Validation results and recommendations
 */
validateCampaign(campaignData: any): Observable<any>