#!/bin/bash
# stamp-version.sh - Stamp version from VERSION file into source and config files
# Run this before building to ensure version consistency across all files

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"

# Read version from VERSION file
if [ ! -f VERSION ]; then
    echo "Error: VERSION file not found" >&2
    exit 1
fi

VERSION=$(cat VERSION | tr -d '[:space:]')

if [ -z "$VERSION" ]; then
    echo "Error: VERSION file is empty" >&2
    exit 1
fi

echo "Stamping version: $VERSION"

# Generate version module
mkdir -p src/version
cat > src/version/version.f90 << EOF
! Auto-generated by stamp-version.sh - DO NOT EDIT MANUALLY
module version_info
    implicit none
    private

    public :: FORTRESS_VERSION, print_version, print_help

    character(len=*), parameter :: FORTRESS_VERSION = '$VERSION'

contains

    subroutine print_version()
        print '(A,A)', 'fortress v', FORTRESS_VERSION
        print '(A)', ''
        print '(A)', 'A command-line file explorer written in modern Fortran'
        print '(A)', 'https://github.com/FortranGoingOnForty/fortress'
    end subroutine print_version

    subroutine print_help()
        print '(A)', 'fortress - a dual-pane file explorer with fzf and git integration'
        print '(A)', ''
        print '(A)', 'USAGE:'
        print '(A)', '  fortress [OPTIONS]'
        print '(A)', ''
        print '(A)', 'OPTIONS:'
        print '(A)', '  -h, --help       Show this help message'
        print '(A)', '  -v, --version    Show version information'
        print '(A)', ''
        print '(A)', 'NAVIGATION:'
        print '(A)', '  up/down          Navigate up/down'
        print '(A)', '  right            Enter directory'
        print '(A)', '  left             Go to parent directory'
        print '(A)', '  ~                Jump to home directory'
        print '(A)', '  /                Jump to root directory'
        print '(A)', '  8                Jump to favorites'
        print '(A)', '  *                Toggle favorite'
        print '(A)', '  .                Toggle hidden files'
        print '(A)', '  [type chars]     Fuzzy jump to file'
        print '(A)', ''
        print '(A)', 'FILE OPERATIONS (Alt+key):'
        print '(A)', '  Alt+n            Rename file/directory'
        print '(A)', '  Alt+v            View/open file'
        print '(A)', '  Alt+m            Move mode'
        print '(A)', '  Alt+y            Yank (copy)'
        print '(A)', '  Alt+x            Cut'
        print '(A)', '  Alt+p            Paste'
        print '(A)', '  Alt+r            Remove/delete'
        print '(A)', '  Alt+s            Search with fzf'
        print '(A)', '  Alt+c            CD on exit'
        print '(A)', ''
        print '(A)', 'SELECTION:'
        print '(A)', '  Space            Toggle selection'
        print '(A)', '  Shift+up/down    Block select'
        print '(A)', '  e                Exit selection mode'
        print '(A)', ''
        print '(A)', 'GIT (Alt+g to toggle git mode):'
        print '(A)', '  a                Stage file/directory'
        print '(A)', '  u                Unstage'
        print '(A)', '  m                Commit'
        print '(A)', '  d                Show diff'
        print '(A)', '  f                Fetch'
        print '(A)', '  l                Pull'
        print '(A)', '  h                Push'
        print '(A)', '  t                Tag'
        print '(A)', ''
        print '(A)', 'Ctrl+q to quit'
    end subroutine print_help

end module version_info
EOF
echo "  -> src/version/version.f90"

# Update fpm.toml
if [ -f fpm.toml ]; then
    sed -i "s/^version = .*/version = \"$VERSION\"/" fpm.toml
    echo "  -> fpm.toml"
fi

# Update fortress.spec
if [ -f fortress.spec ]; then
    sed -i "s/^Version:.*/Version:        $VERSION/" fortress.spec
    echo "  -> fortress.spec"
fi

echo "Done!"