//! Shared formatting utilities used across TUI screens and commands.

/// Format a revenue amount in cents. Returns "$0" for zero.
pub fn format_cents(cents: i64) -> String {
    if cents == 0 {
        "$0".to_string()
    } else {
        format!("${}.{:02}", cents / 100, cents.abs() % 100)
    }
}

/// Format an item price in cents. Returns "Free" for zero.
pub fn format_price(cents: i32) -> String {
    if cents == 0 {
        "Free".to_string()
    } else {
        format!("${}.{:02}", cents / 100, cents % 100)
    }
}

/// Human-readable creator tier label.
pub fn format_tier(tier: &str) -> &str {
    match tier {
        "basic" => "Basic",
        "small_files" => "Small Files",
        "big_files" => "Big Files",
        "everything" => "Everything",
        _ => tier,
    }
}

/// Human-readable project type label.
pub fn format_project_type(pt: &str) -> &str {
    match pt {
        "software" => "Software",
        "music" => "Music",
        "blog" => "Blog",
        "video" => "Video",
        "audio" => "Audio",
        "art" => "Art",
        "writing" => "Writing",
        "education" => "Education",
        other => other,
    }
}

/// Human-readable item type label.
pub fn format_item_type(it: &str) -> &str {
    match it {
        "audio" => "Audio",
        "text" => "Text",
        "video" => "Video",
        "image" => "Image",
        "plugin" => "Plugin",
        "preset" => "Preset",
        "sample" => "Sample",
        "course" => "Course",
        "template" => "Template",
        "digital" => "Digital",
        "bundle" => "Bundle",
        other => other,
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn format_cents_zero() {
        assert_eq!(format_cents(0), "$0");
    }

    #[test]
    fn format_cents_positive() {
        assert_eq!(format_cents(999), "$9.99");
        assert_eq!(format_cents(100), "$1.00");
        assert_eq!(format_cents(1050), "$10.50");
    }

    #[test]
    fn format_price_free() {
        assert_eq!(format_price(0), "Free");
    }

    #[test]
    fn format_price_nonzero() {
        assert_eq!(format_price(550), "$5.50");
        assert_eq!(format_price(1299), "$12.99");
    }

    #[test]
    fn format_tier_known() {
        assert_eq!(format_tier("basic"), "Basic");
        assert_eq!(format_tier("small_files"), "Small Files");
        assert_eq!(format_tier("everything"), "Everything");
    }

    #[test]
    fn format_tier_unknown() {
        assert_eq!(format_tier("custom"), "custom");
    }

    #[test]
    fn format_project_type_known() {
        assert_eq!(format_project_type("software"), "Software");
        assert_eq!(format_project_type("music"), "Music");
    }

    #[test]
    fn format_item_type_known() {
        assert_eq!(format_item_type("audio"), "Audio");
        assert_eq!(format_item_type("plugin"), "Plugin");
    }

    #[test]
    fn format_item_type_unknown() {
        assert_eq!(format_item_type("other_thing"), "other_thing");
    }
}