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mod decode;
mod encode;

/// Level cells and nodes.
///
/// # Format Description
///
/// WIP
#[derive(Debug,PartialEq)]
pub struct Lev {
    pub header: LevHeader,
    pub heightmap_cells: Vec<LevHeightmapCell>,
    pub soundmap_cells: Vec<LevSoundmapCell>,
    pub navigation_header: LevNavigationHeader,
    pub navigation_section: LevNavigationSection
}

#[derive(Debug,PartialEq)]
pub struct LevHeader {
    pub version: u16,
    pub obsolete_offset: u32,
    pub navigation_offset: u32,
    pub unique_id_count: u64,
    pub width: u32,
    pub height: u32,
    pub map_version: u32,
    // pub heightmap_palette: &'a [u8],
    pub ambient_sound_version: u32,
    // pub sound_palette: &'a [u8],
    pub checksum: u32,
    pub sound_themes: Vec<String>,
}


#[derive(Debug,PartialEq)]
pub struct LevHeightmapCell {
    pub size: u32,
    pub version: u8,
    pub height: f32,
    pub ground_theme: (u8, u8, u8),
    pub ground_theme_strength: (u8, u8),
    pub walkable: bool,
    pub passover: bool,
    pub sound_theme: u8,
    pub shore: bool,
}

#[derive(Debug,PartialEq)]
pub struct LevSoundmapCell {
    pub size: u32,
    pub version: u8,
    pub sound_theme: (u8, u8, u8),
    pub sound_theme_strength: (u8, u8),
    pub sound_index: u8,
}

#[derive(Debug,PartialEq)]
pub struct LevNavigationHeader {
    pub sections_start: u32,
    pub sections_count: u32,
    pub sections: Vec<(String, u32)>,
}

//
// From fabletlcmod.com:
//
// A Subset has 7 Layers (0-6), each defining blocks of walkable area.
// Layer 0 = 32 X 32
// Layer 1 = 16 X 16
// Layer 2 = 8 X 8
// Layer 3 = 4 X 4
// Layer 4 = 2 X 2
// Layer 5 = 1 X 1
// Layer 6 = 0.5 X 0.5
//

#[derive(Debug,PartialEq)]
pub struct LevNavigationSection {
    size: u32,
    version: u32,
    level_width: u32,
    level_height: u32,
    interactive_nodes: Vec<LevInteractiveNode>,
    subsets_count: u32,
    level_nodes: Vec<LevNavigationNode>,
}

#[derive(Debug,PartialEq)]
pub struct LevInteractiveNode {
    x: u32,
    y: u32,
    subset: u32,
}

#[derive(Debug,PartialEq)]
pub enum LevNavigationNode {
    Regular(LevNavigationRegularNode),
    Navigation(LevNavigationNavigationNode),
    Exit(LevNavigationExitNode),
    Blank(LevNavigationBlankNode),
    Unknown1(LevNavigationUnknown1Node),
    Unknown2(LevNavigationUnknown2Node),
    Unknown3(LevNavigationUnknown3Node),
    Unknown(LevNavigationUnknownNode),
}

#[derive(Debug,PartialEq)]
pub struct LevNavigationRegularNode {
    root: u8,
    end: u8,
    layer: u8,
    subset: u8,
    x: f32,
    y: f32,
    node_id: u32,
    child_nodes: (u32, u32, u32, u32) // (top_right, top_left, bottom_right, bottom_left)
}

#[derive(Debug,PartialEq)]
pub struct LevNavigationNavigationNode {
    root: u8,
    end: u8,
    layer: u8,
    subset: u8,
    x: f32,
    y: f32,
    node_id: u32,
    node_level: u32,
    nodes: Vec<u32>,
}

#[derive(Debug,PartialEq)]
pub struct LevNavigationExitNode {
    root: u8,
    end: u8,
    layer: u8,
    subset: u8,
    x: f32,
    y: f32,
    node_id: u32,
    node_level: u32,
    nodes: Vec<u32>,
    uids: Vec<u64>,
}

#[derive(Debug,PartialEq)]
pub struct LevNavigationUnknown1Node {
    end: u8
}

#[derive(Debug,PartialEq)]
pub struct LevNavigationUnknown2Node {
    end: u8
}

#[derive(Debug,PartialEq)]
pub struct LevNavigationUnknown3Node {
    end: u8
}

#[derive(Debug,PartialEq)]
pub struct LevNavigationUnknownNode {
    node_op: Vec<u8>,
    end: u8
}

#[derive(Debug,PartialEq)]
pub struct LevNavigationBlankNode {
    root: u8
}