// Pure helpers shared by the runtime theme installer (theme/index.ts) and
// the build-time codegen (vite.config.ts). Single source of truth for the
// element-plus override map and the global variable constants — neither
// place hardcodes variable names.

export const globalVariables: Record<string, string> = {
    'input-font-size': '0.875rem',
    'input-font-weight': '500',
    'select-option-height': '2rem',
    'base-border-radius': '0.25rem'
}

export function overrideElementTheme (theme: Record<string, string>): Record<string, string> {
    return {
        ...theme,
        'el-color-primary': theme['el-color-primary'] ?? theme.primary,
        'el-color-success': theme['el-color-success'] ?? theme.success,
        'el-color-warning': theme['el-color-warning'] ?? theme.warning,
        'el-color-danger': theme['el-color-danger'] ?? theme.error,
        'el-color-error': theme['el-color-error'] ?? theme.error,
        'el-color-info': theme['el-color-info'] ?? theme['secondary'],
        'el-fill-color': theme['el-fill-color'] ?? theme['field-bg'],
        'el-text-color-primary': theme['el-text-color-primary'] ?? theme['default-text'],
        'el-text-color-regular': theme['el-text-color-regular'] ?? theme['default-text'],
        'el-text-color-placeholder': theme['el-text-color-placeholder'] ?? theme.placeholders,
        'el-disabled-text-color': theme['el-disabled-text-color'] ?? theme['inactive-text'],
        'el-text-color-disabled': theme['el-text-color-disabled'] ?? theme['inactive-text'],
        transparent: 'transparent',
        white: '#FFFFFF',
        black: '#000000',
        current: 'currentColor'
    }
}

export function mergeThemeWithDefaults (theme: Record<string, string>): Record<string, string> {
    return {
        ...overrideElementTheme(theme),
        ...globalVariables 
    }
}