1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12
13. 13
14. 14
15. 15
16. 16
17. 17
18. 18
19. 19
20. 20
21. 21
22. 22
23. 23
24. 24
25. 25
26. 26
27. 27
28. 28
29. 29
30. 30
31. 31
32. 32
33. 33
34. 34
35. 35
36. 36
37. 37
38. 38
39. 39
40. 40
41. 41
42. 42
43. 43
44. 44
45. 45
46. 46
47. 47
48. 48
49. 49
50. 50
51. 51
52. 52
53. 53
54. 54
55. 55
56. 56
57. 57
58. 58
59. 59
60. 60
61. 61
62. 62
63. 63
64. 64
65. 65
66. 66
67. 67
68. 68
69. 69
70. 70
71. 71
72. 72
73. 73
74. 74
75. 75
76. 76
77. 77
78. 78
79. 79
80. 80
81. 81
82. 82
83. 83
84. 84
85. 85
86. 86
87. 87
88. 88
89. 89
90. 90
91. 91
92. 92
93. 93
94. 94
95. 95
96. 96
97. 97
98. 98
99. 99
100. 100
101. 101
102. 102
103. 103
104. 104
105. 105
106. 106
107. 107
108. 108
109. 109
110. 110
111. 111
112. 112
113. 113
114. 114
115. 115
116. 116
117. 117
118. 118
119. 119
120. 120
121. 121

// Copyright 2025 Shota FUJI
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0

const std = @import("std");
const clap = @import("clap");
const build_config = @import("build_config");
const core = @import("core");

const ExitCode = @import("./exit.zig").ExitCode;
const server = @import("./commands/server.zig");

const version = "0.0.0";

pub const std_options = std.Options{
    .log_level = .debug,
    .logFn = log,
};

var log_level: std.log.Level = .debug;

pub fn log(
    comptime level: std.log.Level,
    comptime scope: @Type(.enum_literal),
    comptime format: []const u8,
    args: anytype,
) void {
    if (@intFromEnum(level) <= @intFromEnum(log_level)) {
        std.log.defaultLog(level, scope, format, args);
    }
}

const Commands = enum {
    server,
    version,
};

const global_parser = .{
    .command = clap.parsers.enumeration(Commands),
    .id = clap.parsers.string,
    .path = clap.parsers.string,
    .level = clap.parsers.enumeration(std.log.Level),
};

const global_params = clap.parseParamsComptime(
    \\-h, --help Prints this message to stdout and exits.
    \\-l, --log-level <level> Log level to output.
    \\-v, --verbose Enables debug logging.
    \\<command>
    \\Available commands:
    \\* version ... Prints version to stdout and exits.
    \\* server  ... Lists or gets information of Roon Server on network
    \\
);

pub fn main() !u8 {
    const allocator: std.mem.Allocator, const mem = if (build_config.memcheck) memcheck: {
        var da = std.heap.DebugAllocator(.{ .safety = true }){
            .backing_allocator = std.heap.c_allocator,
        };

        break :memcheck .{ da.allocator(), &da };
    } else arena: {
        var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);

        break :arena .{ arena.allocator(), &arena };
    };

    defer {
        _ = mem.deinit();
    }

    var iter = try std.process.ArgIterator.initWithAllocator(allocator);
    defer iter.deinit();

    // Skip process name.
    _ = iter.next();

    var diag = clap.Diagnostic{};
    var res = clap.parseEx(clap.Help, &global_params, global_parser, &iter, .{
        .diagnostic = &diag,
        .allocator = allocator,
        .terminating_positional = 0,
    }) catch |err| {
        diag.report(std.io.getStdErr().writer(), err) catch {};
        return @intFromEnum(ExitCode.incorrect_usage);
    };
    defer res.deinit();

    log_level = res.args.@"log-level" orelse .info;

    if (res.args.help > 0) {
        clap.help(std.io.getStdOut().writer(), clap.Help, &global_params, .{}) catch {};
        return @intFromEnum(ExitCode.ok);
    }

    const command = res.positionals[0] orelse {
        clap.help(std.io.getStdErr().writer(), clap.Help, &global_params, .{}) catch {};
        return @intFromEnum(ExitCode.incorrect_usage);
    };

    switch (command) {
        .server => return @intFromEnum(server.run(allocator, &iter)),
        .version => {
            try std.fmt.format(std.io.getStdOut().writer(), "{s}\n", .{version});
            return @intFromEnum(ExitCode.ok);
        },
    }
}