# 00_paths.R
# Central path constants and config. Source this at the top of every script.
# All paths are relative to the project root.

dotenv::load_dot_env(".env")
euro_to_dollar_conversion_ratio <- as.numeric(Sys.getenv("euro_to_dollar_conversion_ratio"))
input_cols                      <- as.integer(Sys.getenv("input_cols"))

dir_raw       <- "data/raw"
dir_interim   <- "data/interim"
dir_processed <- "data/processed"
dir_formatted <- "data/formatted"

income_raw        <- file.path(dir_raw,       "df_income.csv")
population_raw    <- file.path(dir_raw,       "df_population.csv")
income_usd_wide   <- file.path(dir_interim,   "df_income_usd_wide.csv")
income_usd        <- file.path(dir_interim,   "df_income_usd.csv")
population_full   <- file.path(dir_interim,   "df_population_full.csv")
merged            <- file.path(dir_interim,   "df_merged.csv")
result            <- file.path(dir_processed, "df_result.csv")
formatted         <- file.path(dir_formatted, "df_formatted.csv")