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use alloc::string::String;

/// Represents the `compatible` property of a DeviceTree [`Node`].
#[derive(Clone, Debug, Eq, PartialEq)]
pub enum Compatible {
    /// Cadence QSPI NOR peripherals
    CdnsQspiNor,
    /// Synopsys DesignWare APB I2C peripherals
    DwApbI2c,
    /// Synopsys DesignWare APB UART peripherals
    DwApbUart,
    /// Starfive JH7110 AON CRG peripherals
    Jh7110AonCrg,
    /// Starfive JH7110 AON Pinctrl peripherals
    Jh7110AonPinctrl,
    /// Starfive JH7110 AON Syscon peripherals
    Jh7110AonSyscon,
    /// Starfive JH7110 PMU peripherals
    Jh7110Pmu,
    /// Starfive JH7110 STG CRG peripherals
    Jh7110StgCrg,
    /// Starfive JH7110 STG Syscon peripherals
    Jh7110StgSyscon,
    /// Starfive JH7110 SYS CRG peripherals
    Jh7110SysCrg,
    /// Starfive JH7110 SYS Pinctrl peripherals
    Jh7110SysPinctrl,
    /// Starfive JH7110 SYS Syscon peripherals
    Jh7110SysSyscon,
    /// Starfive JH7110 TRNG peripherals
    Jh7110Trng,
    /// ARM pl022 SSP SPI peripherals
    Pl022SspSpi,
    /// RISC-V CLINT (Core-local Interrupt Controller)
    RiscvClint,
    /// RISC-V PLIC (Platform-level Interrupt Controller)
    RiscvPlic,
    /// Opencores PTC PWM v1 (PWM/Timer/Counter)
    OcPwm,
    /// OpenEdges Orbit Memory Controller
    OeOmc,
    /// OpenEdges Orbit PHY
    OeOphy,
    /// Unknown compatibility string
    Unknown(String),
    /// No compatible property
    None,
}

impl Compatible {
    /// Gets whether this is a known [Compatible] peripheral.
    pub const fn is_known(&self) -> bool {
        !(matches!(self, Self::Unknown(_)) || matches!(self, Self::None))
    }
}

impl From<&str> for Compatible {
    fn from(val: &str) -> Self {
        if val.contains("cdns,qspi-nor") || val.contains("cdns,xspi-nor") {
            Self::CdnsQspiNor
        } else if val.contains("dw-apb-i2c") || val.contains("designware-i2c") {
            Self::DwApbI2c
        } else if val.contains("dw-apb-uart") {
            Self::DwApbUart
        } else if val.contains("starfive,jh7110-aoncrg") {
            Self::Jh7110AonCrg
        } else if val.contains("starfive,jh7110-aon-pinctrl") {
            Self::Jh7110AonPinctrl
        } else if val.contains("starfive,jh7110-aon-syscon") {
            Self::Jh7110AonSyscon
        } else if val.contains("starfive,jh7110-pmu") {
            Self::Jh7110Pmu
        } else if val.contains("starfive,jh7110-stgcrg") {
            Self::Jh7110StgCrg
        } else if val.contains("starfive,jh7110-stg-syscon") {
            Self::Jh7110StgSyscon
        } else if val.contains("starfive,jh7110-syscrg") {
            Self::Jh7110SysCrg
        } else if val.contains("starfive,jh7110-sys-pinctrl") {
            Self::Jh7110SysPinctrl
        } else if val.contains("starfive,jh7110-sys-syscon") {
            Self::Jh7110SysSyscon
        } else if val.contains("starfive,jh7110-trng") {
            Self::Jh7110Trng
        } else if val.contains("arm,pl022") {
            Self::Pl022SspSpi
        } else if val.contains("riscv,clint") {
            Self::RiscvClint
        } else if val.contains("riscv,plic") {
            Self::RiscvPlic
        } else if val.contains("opencores,pwm-v1") {
            Self::OcPwm
        } else if val.contains("openedges,omc") {
            Self::OeOmc
        } else if val.contains("openedges,ophy") {
            Self::OeOphy
        } else if val.is_empty() {
            Self::None
        } else {
            Self::Unknown(val.into())
        }
    }
}

impl From<&device_tree::Node> for Compatible {
    fn from(val: &device_tree::Node) -> Self {
        val.prop_str("compatible").unwrap_or("").into()
    }
}

impl From<device_tree::Node> for Compatible {
    fn from(val: device_tree::Node) -> Self {
        (&val).into()
    }
}